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os/init/dump

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init: file format elf32-i386
Disassembly of section .init:
08048074 <_init>:
8048074: e8 ff 00 00 00 call 8048178 <frame_dummy>
8048079: e8 1a 1f 00 00 call 8049f98 <__do_global_ctors_aux>
804807e: c2 00 00 ret $0x0
Disassembly of section .text:
08048090 <_start>:
8048090: e8 06 09 00 00 call 804899b <__stdio_init>
8048095: e8 f5 04 00 00 call 804858f <main>
804809a: 6a 00 push $0x0
804809c: e8 a7 1b 00 00 call 8049c48 <exit>
80480a1: c3 ret
80480a2: 66 90 xchg %ax,%ax
080480a4 <deregister_tm_clones>:
80480a4: b8 14 b0 04 08 mov $0x804b014,%eax
80480a9: 3d 14 b0 04 08 cmp $0x804b014,%eax
80480ae: 74 1c je 80480cc <deregister_tm_clones+0x28>
80480b0: b8 00 00 00 00 mov $0x0,%eax
80480b5: 85 c0 test %eax,%eax
80480b7: 74 13 je 80480cc <deregister_tm_clones+0x28>
80480b9: 55 push %ebp
80480ba: 89 e5 mov %esp,%ebp
80480bc: 83 ec 14 sub $0x14,%esp
80480bf: 68 14 b0 04 08 push $0x804b014
80480c4: ff d0 call *%eax
80480c6: 83 c4 10 add $0x10,%esp
80480c9: c9 leave
80480ca: c3 ret
80480cb: 90 nop
80480cc: c3 ret
80480cd: 8d 76 00 lea 0x0(%esi),%esi
080480d0 <register_tm_clones>:
80480d0: b8 14 b0 04 08 mov $0x804b014,%eax
80480d5: 2d 14 b0 04 08 sub $0x804b014,%eax
80480da: 89 c2 mov %eax,%edx
80480dc: c1 fa 02 sar $0x2,%edx
80480df: c1 e8 1f shr $0x1f,%eax
80480e2: 01 d0 add %edx,%eax
80480e4: d1 f8 sar %eax
80480e6: 74 1c je 8048104 <register_tm_clones+0x34>
80480e8: ba 00 00 00 00 mov $0x0,%edx
80480ed: 85 d2 test %edx,%edx
80480ef: 74 13 je 8048104 <register_tm_clones+0x34>
80480f1: 55 push %ebp
80480f2: 89 e5 mov %esp,%ebp
80480f4: 83 ec 10 sub $0x10,%esp
80480f7: 50 push %eax
80480f8: 68 14 b0 04 08 push $0x804b014
80480fd: ff d2 call *%edx
80480ff: 83 c4 10 add $0x10,%esp
8048102: c9 leave
8048103: c3 ret
8048104: c3 ret
8048105: 8d 76 00 lea 0x0(%esi),%esi
08048108 <__do_global_dtors_aux>:
8048108: 80 3d 20 b0 04 08 00 cmpb $0x0,0x804b020
804810f: 75 63 jne 8048174 <__do_global_dtors_aux+0x6c>
8048111: 55 push %ebp
8048112: 89 e5 mov %esp,%ebp
8048114: 56 push %esi
8048115: 53 push %ebx
8048116: bb 0c b0 04 08 mov $0x804b00c,%ebx
804811b: 81 eb 08 b0 04 08 sub $0x804b008,%ebx
8048121: c1 fb 02 sar $0x2,%ebx
8048124: 4b dec %ebx
8048125: be 08 b0 04 08 mov $0x804b008,%esi
804812a: a1 24 b0 04 08 mov 0x804b024,%eax
804812f: 39 d8 cmp %ebx,%eax
8048131: 73 13 jae 8048146 <__do_global_dtors_aux+0x3e>
8048133: 90 nop
8048134: 40 inc %eax
8048135: a3 24 b0 04 08 mov %eax,0x804b024
804813a: ff 14 86 call *(%esi,%eax,4)
804813d: a1 24 b0 04 08 mov 0x804b024,%eax
8048142: 39 d8 cmp %ebx,%eax
8048144: 72 ee jb 8048134 <__do_global_dtors_aux+0x2c>
8048146: e8 59 ff ff ff call 80480a4 <deregister_tm_clones>
804814b: b8 00 00 00 00 mov $0x0,%eax
8048150: 85 c0 test %eax,%eax
8048152: 74 10 je 8048164 <__do_global_dtors_aux+0x5c>
8048154: 83 ec 0c sub $0xc,%esp
8048157: 68 a4 a1 04 08 push $0x804a1a4
804815c: e8 9f 7e fb f7 call 0 <_init-0x8048074>
8048161: 83 c4 10 add $0x10,%esp
8048164: c6 05 20 b0 04 08 01 movb $0x1,0x804b020
804816b: 8d 65 f8 lea -0x8(%ebp),%esp
804816e: 5b pop %ebx
804816f: 5e pop %esi
8048170: 5d pop %ebp
8048171: c3 ret
8048172: 66 90 xchg %ax,%ax
8048174: c3 ret
8048175: 8d 76 00 lea 0x0(%esi),%esi
08048178 <frame_dummy>:
8048178: b8 00 00 00 00 mov $0x0,%eax
804817d: 85 c0 test %eax,%eax
804817f: 74 1f je 80481a0 <frame_dummy+0x28>
8048181: 55 push %ebp
8048182: 89 e5 mov %esp,%ebp
8048184: 83 ec 10 sub $0x10,%esp
8048187: 68 28 b0 04 08 push $0x804b028
804818c: 68 a4 a1 04 08 push $0x804a1a4
8048191: e8 6a 7e fb f7 call 0 <_init-0x8048074>
8048196: 83 c4 10 add $0x10,%esp
8048199: c9 leave
804819a: e9 31 ff ff ff jmp 80480d0 <register_tm_clones>
804819f: 90 nop
80481a0: e9 2b ff ff ff jmp 80480d0 <register_tm_clones>
080481a5 <getsize>:
char mtime[12];
char chksum[8];
char typeflag[1];
} tar_header;
size_t getsize(const char *in) {
80481a5: 55 push %ebp
80481a6: 89 e5 mov %esp,%ebp
80481a8: 83 ec 10 sub $0x10,%esp
size_t size=0;
80481ab: c7 45 fc 00 00 00 00 movl $0x0,-0x4(%ebp)
size_t j;
size_t count=1;
80481b2: c7 45 f4 01 00 00 00 movl $0x1,-0xc(%ebp)
for (j=11;j>0;j--,count*=8) {
80481b9: c7 45 f8 0b 00 00 00 movl $0xb,-0x8(%ebp)
80481c0: eb 21 jmp 80481e3 <getsize+0x3e>
size+=((in[j-1]-'0')*count);
80481c2: 8b 45 f8 mov -0x8(%ebp),%eax
80481c5: 8d 50 ff lea -0x1(%eax),%edx
80481c8: 8b 45 08 mov 0x8(%ebp),%eax
80481cb: 01 d0 add %edx,%eax
80481cd: 8a 00 mov (%eax),%al
80481cf: 0f be c0 movsbl %al,%eax
80481d2: 83 e8 30 sub $0x30,%eax
80481d5: 0f af 45 f4 imul -0xc(%ebp),%eax
80481d9: 01 45 fc add %eax,-0x4(%ebp)
for (j=11;j>0;j--,count*=8) {
80481dc: ff 4d f8 decl -0x8(%ebp)
80481df: c1 65 f4 03 shll $0x3,-0xc(%ebp)
80481e3: 83 7d f8 00 cmpl $0x0,-0x8(%ebp)
80481e7: 75 d9 jne 80481c2 <getsize+0x1d>
}
return size;
80481e9: 8b 45 fc mov -0x4(%ebp),%eax
}
80481ec: c9 leave
80481ed: c3 ret
080481ee <find_loc>:
size_t find_loc(char* name,char* initrd) {
80481ee: 55 push %ebp
80481ef: 89 e5 mov %esp,%ebp
80481f1: 81 ec c8 00 00 00 sub $0xc8,%esp
size_t pos=0;
80481f7: c7 45 f4 00 00 00 00 movl $0x0,-0xc(%ebp)
tar_header tar_hdr;
for (int i=0;;i++) {
80481fe: c7 45 f0 00 00 00 00 movl $0x0,-0x10(%ebp)
char* tar_hdr_ptr=(char*)&tar_hdr;
8048205: 8d 85 47 ff ff ff lea -0xb9(%ebp),%eax
804820b: 89 45 e8 mov %eax,-0x18(%ebp)
for (size_t i=0;i<sizeof(tar_hdr);i++) {
804820e: c7 45 ec 00 00 00 00 movl $0x0,-0x14(%ebp)
8048215: eb 1c jmp 8048233 <find_loc+0x45>
tar_hdr_ptr[i]=initrd[pos+i];
8048217: 8b 55 f4 mov -0xc(%ebp),%edx
804821a: 8b 45 ec mov -0x14(%ebp),%eax
804821d: 01 c2 add %eax,%edx
804821f: 8b 45 0c mov 0xc(%ebp),%eax
8048222: 01 d0 add %edx,%eax
8048224: 8b 4d e8 mov -0x18(%ebp),%ecx
8048227: 8b 55 ec mov -0x14(%ebp),%edx
804822a: 01 ca add %ecx,%edx
804822c: 8a 00 mov (%eax),%al
804822e: 88 02 mov %al,(%edx)
for (size_t i=0;i<sizeof(tar_hdr);i++) {
8048230: ff 45 ec incl -0x14(%ebp)
8048233: 81 7d ec 9c 00 00 00 cmpl $0x9c,-0x14(%ebp)
804823a: 76 db jbe 8048217 <find_loc+0x29>
}
if (tar_hdr.filename[0]=='\0') break;
804823c: 8a 85 47 ff ff ff mov -0xb9(%ebp),%al
8048242: 84 c0 test %al,%al
8048244: 74 64 je 80482aa <find_loc+0xbc>
size_t size=getsize(tar_hdr.size);
8048246: 8d 85 47 ff ff ff lea -0xb9(%ebp),%eax
804824c: 83 c0 7c add $0x7c,%eax
804824f: 50 push %eax
8048250: e8 50 ff ff ff call 80481a5 <getsize>
8048255: 83 c4 04 add $0x4,%esp
8048258: 89 45 e4 mov %eax,-0x1c(%ebp)
pos+=512;
804825b: 81 45 f4 00 02 00 00 addl $0x200,-0xc(%ebp)
if (strcmp(tar_hdr.filename,name)==0) {
8048262: 83 ec 08 sub $0x8,%esp
8048265: ff 75 08 pushl 0x8(%ebp)
8048268: 8d 85 47 ff ff ff lea -0xb9(%ebp),%eax
804826e: 50 push %eax
804826f: e8 64 15 00 00 call 80497d8 <strcmp>
8048274: 83 c4 10 add $0x10,%esp
8048277: 85 c0 test %eax,%eax
8048279: 75 05 jne 8048280 <find_loc+0x92>
return pos;
804827b: 8b 45 f4 mov -0xc(%ebp),%eax
804827e: eb 30 jmp 80482b0 <find_loc+0xc2>
break;
}
pos+=size;
8048280: 8b 45 e4 mov -0x1c(%ebp),%eax
8048283: 01 45 f4 add %eax,-0xc(%ebp)
if (pos%512!=0) {
8048286: 8b 45 f4 mov -0xc(%ebp),%eax
8048289: 25 ff 01 00 00 and $0x1ff,%eax
804828e: 85 c0 test %eax,%eax
8048290: 74 10 je 80482a2 <find_loc+0xb4>
pos+=512-(pos%512);
8048292: 8b 45 f4 mov -0xc(%ebp),%eax
8048295: 25 00 fe ff ff and $0xfffffe00,%eax
804829a: 05 00 02 00 00 add $0x200,%eax
804829f: 89 45 f4 mov %eax,-0xc(%ebp)
for (int i=0;;i++) {
80482a2: ff 45 f0 incl -0x10(%ebp)
80482a5: e9 5b ff ff ff jmp 8048205 <find_loc+0x17>
if (tar_hdr.filename[0]=='\0') break;
80482aa: 90 nop
}
}
return 0;
80482ab: b8 00 00 00 00 mov $0x0,%eax
}
80482b0: c9 leave
80482b1: c3 ret
080482b2 <load_proc>:
char load_proc(size_t datapos,char* initrd) {
80482b2: 55 push %ebp
80482b3: 89 e5 mov %esp,%ebp
80482b5: 81 ec 88 00 00 00 sub $0x88,%esp
int pos=0;
80482bb: c7 45 f4 00 00 00 00 movl $0x0,-0xc(%ebp)
elf_header header;
pos=datapos;
80482c2: 8b 45 08 mov 0x8(%ebp),%eax
80482c5: 89 45 f4 mov %eax,-0xc(%ebp)
char* hdr_ptr=(char*)&header;
80482c8: 8d 45 a0 lea -0x60(%ebp),%eax
80482cb: 89 45 e0 mov %eax,-0x20(%ebp)
for (size_t i=0;i<sizeof(elf_header);i++) {
80482ce: c7 45 f0 00 00 00 00 movl $0x0,-0x10(%ebp)
80482d5: eb 1a jmp 80482f1 <load_proc+0x3f>
hdr_ptr[i]=initrd[pos];
80482d7: 8b 55 f4 mov -0xc(%ebp),%edx
80482da: 8b 45 0c mov 0xc(%ebp),%eax
80482dd: 01 d0 add %edx,%eax
80482df: 8b 4d e0 mov -0x20(%ebp),%ecx
80482e2: 8b 55 f0 mov -0x10(%ebp),%edx
80482e5: 01 ca add %ecx,%edx
80482e7: 8a 00 mov (%eax),%al
80482e9: 88 02 mov %al,(%edx)
pos++;
80482eb: ff 45 f4 incl -0xc(%ebp)
for (size_t i=0;i<sizeof(elf_header);i++) {
80482ee: ff 45 f0 incl -0x10(%ebp)
80482f1: 83 7d f0 33 cmpl $0x33,-0x10(%ebp)
80482f5: 76 e0 jbe 80482d7 <load_proc+0x25>
}
if (header.magic!=ELF_MAGIC) {
80482f7: 8b 45 a0 mov -0x60(%ebp),%eax
80482fa: 3d 7f 45 4c 46 cmp $0x464c457f,%eax
80482ff: 74 07 je 8048308 <load_proc+0x56>
return 0;
8048301: b0 00 mov $0x0,%al
8048303: e9 01 01 00 00 jmp 8048409 <load_proc+0x157>
} else {
void* address_space=new_address_space();
8048308: e8 ff 05 00 00 call 804890c <new_address_space>
804830d: 89 45 dc mov %eax,-0x24(%ebp)
for (int i=0;i<header.pheader_ent_nm;i++) {
8048310: c7 45 ec 00 00 00 00 movl $0x0,-0x14(%ebp)
8048317: e9 c9 00 00 00 jmp 80483e5 <load_proc+0x133>
elf_pheader pheader;
pos=(header.prog_hdr)+(header.pheader_ent_sz*i)+datapos;
804831c: 8b 55 bc mov -0x44(%ebp),%edx
804831f: 66 8b 45 ca mov -0x36(%ebp),%ax
8048323: 0f b7 c0 movzwl %ax,%eax
8048326: 0f af 45 ec imul -0x14(%ebp),%eax
804832a: 01 c2 add %eax,%edx
804832c: 8b 45 08 mov 0x8(%ebp),%eax
804832f: 01 d0 add %edx,%eax
8048331: 89 45 f4 mov %eax,-0xc(%ebp)
char* phdr_ptr=(char*)&pheader;
8048334: 8d 45 80 lea -0x80(%ebp),%eax
8048337: 89 45 d8 mov %eax,-0x28(%ebp)
for (size_t i=0;i<sizeof(elf_pheader);i++) {
804833a: c7 45 e8 00 00 00 00 movl $0x0,-0x18(%ebp)
8048341: eb 1a jmp 804835d <load_proc+0xab>
phdr_ptr[i]=initrd[pos];
8048343: 8b 55 f4 mov -0xc(%ebp),%edx
8048346: 8b 45 0c mov 0xc(%ebp),%eax
8048349: 01 d0 add %edx,%eax
804834b: 8b 4d d8 mov -0x28(%ebp),%ecx
804834e: 8b 55 e8 mov -0x18(%ebp),%edx
8048351: 01 ca add %ecx,%edx
8048353: 8a 00 mov (%eax),%al
8048355: 88 02 mov %al,(%edx)
pos++;
8048357: ff 45 f4 incl -0xc(%ebp)
for (size_t i=0;i<sizeof(elf_pheader);i++) {
804835a: ff 45 e8 incl -0x18(%ebp)
804835d: 83 7d e8 1f cmpl $0x1f,-0x18(%ebp)
8048361: 76 e0 jbe 8048343 <load_proc+0x91>
}
char* ptr=alloc_memory(((pheader.memsz)/4096)+1);
8048363: 8b 45 94 mov -0x6c(%ebp),%eax
8048366: c1 e8 0c shr $0xc,%eax
8048369: 40 inc %eax
804836a: 83 ec 0c sub $0xc,%esp
804836d: 50 push %eax
804836e: e8 58 05 00 00 call 80488cb <alloc_memory>
8048373: 83 c4 10 add $0x10,%esp
8048376: 89 45 d4 mov %eax,-0x2c(%ebp)
memset(ptr,0,pheader.memsz);
8048379: 8b 45 94 mov -0x6c(%ebp),%eax
804837c: 83 ec 04 sub $0x4,%esp
804837f: 50 push %eax
8048380: 6a 00 push $0x0
8048382: ff 75 d4 pushl -0x2c(%ebp)
8048385: e8 1c 14 00 00 call 80497a6 <memset>
804838a: 83 c4 10 add $0x10,%esp
if (pheader.filesz>0) {
804838d: 8b 45 90 mov -0x70(%ebp),%eax
8048390: 85 c0 test %eax,%eax
8048392: 74 36 je 80483ca <load_proc+0x118>
pos=pheader.offset+datapos;
8048394: 8b 55 84 mov -0x7c(%ebp),%edx
8048397: 8b 45 08 mov 0x8(%ebp),%eax
804839a: 01 d0 add %edx,%eax
804839c: 89 45 f4 mov %eax,-0xc(%ebp)
for (size_t i=0;i<pheader.filesz;i++) {
804839f: c7 45 e4 00 00 00 00 movl $0x0,-0x1c(%ebp)
80483a6: eb 1a jmp 80483c2 <load_proc+0x110>
ptr[i]=initrd[pos];
80483a8: 8b 55 f4 mov -0xc(%ebp),%edx
80483ab: 8b 45 0c mov 0xc(%ebp),%eax
80483ae: 01 d0 add %edx,%eax
80483b0: 8b 4d d4 mov -0x2c(%ebp),%ecx
80483b3: 8b 55 e4 mov -0x1c(%ebp),%edx
80483b6: 01 ca add %ecx,%edx
80483b8: 8a 00 mov (%eax),%al
80483ba: 88 02 mov %al,(%edx)
pos++;
80483bc: ff 45 f4 incl -0xc(%ebp)
for (size_t i=0;i<pheader.filesz;i++) {
80483bf: ff 45 e4 incl -0x1c(%ebp)
80483c2: 8b 45 90 mov -0x70(%ebp),%eax
80483c5: 39 45 e4 cmp %eax,-0x1c(%ebp)
80483c8: 72 de jb 80483a8 <load_proc+0xf6>
}
}
copy_data(address_space,ptr,pheader.memsz,(void*)pheader.vaddr);
80483ca: 8b 45 88 mov -0x78(%ebp),%eax
80483cd: 89 c2 mov %eax,%edx
80483cf: 8b 45 94 mov -0x6c(%ebp),%eax
80483d2: 52 push %edx
80483d3: 50 push %eax
80483d4: ff 75 d4 pushl -0x2c(%ebp)
80483d7: ff 75 dc pushl -0x24(%ebp)
80483da: e8 49 05 00 00 call 8048928 <copy_data>
80483df: 83 c4 10 add $0x10,%esp
for (int i=0;i<header.pheader_ent_nm;i++) {
80483e2: ff 45 ec incl -0x14(%ebp)
80483e5: 8b 45 cc mov -0x34(%ebp),%eax
80483e8: 0f b7 c0 movzwl %ax,%eax
80483eb: 39 45 ec cmp %eax,-0x14(%ebp)
80483ee: 0f 8c 28 ff ff ff jl 804831c <load_proc+0x6a>
}
create_proc((void*)header.entry,address_space,NULL,NULL);
80483f4: 8b 45 b8 mov -0x48(%ebp),%eax
80483f7: 6a 00 push $0x0
80483f9: 6a 00 push $0x0
80483fb: ff 75 dc pushl -0x24(%ebp)
80483fe: 50 push %eax
80483ff: e8 25 18 00 00 call 8049c29 <create_proc>
8048404: 83 c4 10 add $0x10,%esp
}
return 1;
8048407: b0 01 mov $0x1,%al
}
8048409: c9 leave
804840a: c3 ret
0804840b <load_proc_devfs>:
char load_proc_devfs(size_t datapos) {
804840b: 55 push %ebp
804840c: 89 e5 mov %esp,%ebp
804840e: 83 ec 78 sub $0x78,%esp
FILE* initrd=fopen("/dev/initrd","r");
8048411: 83 ec 08 sub $0x8,%esp
8048414: 68 c8 9f 04 08 push $0x8049fc8
8048419: 68 ca 9f 04 08 push $0x8049fca
804841e: e8 7e 05 00 00 call 80489a1 <fopen>
8048423: 83 c4 10 add $0x10,%esp
8048426: 89 45 f0 mov %eax,-0x10(%ebp)
elf_header header;
fseek(initrd,datapos,SEEK_SET);
8048429: 8b 45 08 mov 0x8(%ebp),%eax
804842c: 83 ec 04 sub $0x4,%esp
804842f: 6a 03 push $0x3
8048431: 50 push %eax
8048432: ff 75 f0 pushl -0x10(%ebp)
8048435: e8 c6 0d 00 00 call 8049200 <fseek>
804843a: 83 c4 10 add $0x10,%esp
fread(&header,sizeof(elf_header),1,initrd);
804843d: ff 75 f0 pushl -0x10(%ebp)
8048440: 6a 01 push $0x1
8048442: 6a 34 push $0x34
8048444: 8d 45 b4 lea -0x4c(%ebp),%eax
8048447: 50 push %eax
8048448: e8 0c 07 00 00 call 8048b59 <fread>
804844d: 83 c4 10 add $0x10,%esp
if (header.magic!=ELF_MAGIC) {
8048450: 8b 45 b4 mov -0x4c(%ebp),%eax
8048453: 3d 7f 45 4c 46 cmp $0x464c457f,%eax
8048458: 74 49 je 80484a3 <load_proc_devfs+0x98>
serial_print("Bad magic number (");
804845a: 83 ec 0c sub $0xc,%esp
804845d: 68 d6 9f 04 08 push $0x8049fd6
8048462: e8 20 04 00 00 call 8048887 <serial_print>
8048467: 83 c4 10 add $0x10,%esp
char str[32];
hex_to_ascii(header.magic,str);
804846a: 8b 45 b4 mov -0x4c(%ebp),%eax
804846d: 83 ec 08 sub $0x8,%esp
8048470: 8d 55 94 lea -0x6c(%ebp),%edx
8048473: 52 push %edx
8048474: 50 push %eax
8048475: e8 18 15 00 00 call 8049992 <hex_to_ascii>
804847a: 83 c4 10 add $0x10,%esp
serial_print(str);
804847d: 83 ec 0c sub $0xc,%esp
8048480: 8d 45 94 lea -0x6c(%ebp),%eax
8048483: 50 push %eax
8048484: e8 fe 03 00 00 call 8048887 <serial_print>
8048489: 83 c4 10 add $0x10,%esp
serial_print(")\n");
804848c: 83 ec 0c sub $0xc,%esp
804848f: 68 e9 9f 04 08 push $0x8049fe9
8048494: e8 ee 03 00 00 call 8048887 <serial_print>
8048499: 83 c4 10 add $0x10,%esp
return 0;
804849c: b0 00 mov $0x0,%al
804849e: e9 ea 00 00 00 jmp 804858d <load_proc_devfs+0x182>
} else {
void* address_space=new_address_space();
80484a3: e8 64 04 00 00 call 804890c <new_address_space>
80484a8: 89 45 ec mov %eax,-0x14(%ebp)
for (int i=0;i<header.pheader_ent_nm;i++) {
80484ab: c7 45 f4 00 00 00 00 movl $0x0,-0xc(%ebp)
80484b2: e9 b2 00 00 00 jmp 8048569 <load_proc_devfs+0x15e>
elf_pheader pheader;
fseek(initrd,(header.prog_hdr)+(header.pheader_ent_sz*i)+datapos,SEEK_SET);
80484b7: 8b 55 d0 mov -0x30(%ebp),%edx
80484ba: 66 8b 45 de mov -0x22(%ebp),%ax
80484be: 0f b7 c0 movzwl %ax,%eax
80484c1: 0f af 45 f4 imul -0xc(%ebp),%eax
80484c5: 01 c2 add %eax,%edx
80484c7: 8b 45 08 mov 0x8(%ebp),%eax
80484ca: 01 d0 add %edx,%eax
80484cc: 83 ec 04 sub $0x4,%esp
80484cf: 6a 03 push $0x3
80484d1: 50 push %eax
80484d2: ff 75 f0 pushl -0x10(%ebp)
80484d5: e8 26 0d 00 00 call 8049200 <fseek>
80484da: 83 c4 10 add $0x10,%esp
fread(&pheader,sizeof(elf_pheader),1,initrd);
80484dd: ff 75 f0 pushl -0x10(%ebp)
80484e0: 6a 01 push $0x1
80484e2: 6a 20 push $0x20
80484e4: 8d 45 94 lea -0x6c(%ebp),%eax
80484e7: 50 push %eax
80484e8: e8 6c 06 00 00 call 8048b59 <fread>
80484ed: 83 c4 10 add $0x10,%esp
char* ptr=alloc_memory(((pheader.memsz)/4096)+1);
80484f0: 8b 45 a8 mov -0x58(%ebp),%eax
80484f3: c1 e8 0c shr $0xc,%eax
80484f6: 40 inc %eax
80484f7: 83 ec 0c sub $0xc,%esp
80484fa: 50 push %eax
80484fb: e8 cb 03 00 00 call 80488cb <alloc_memory>
8048500: 83 c4 10 add $0x10,%esp
8048503: 89 45 e8 mov %eax,-0x18(%ebp)
memset(ptr,0,pheader.memsz);
8048506: 8b 45 a8 mov -0x58(%ebp),%eax
8048509: 83 ec 04 sub $0x4,%esp
804850c: 50 push %eax
804850d: 6a 00 push $0x0
804850f: ff 75 e8 pushl -0x18(%ebp)
8048512: e8 8f 12 00 00 call 80497a6 <memset>
8048517: 83 c4 10 add $0x10,%esp
if (pheader.filesz>0) {
804851a: 8b 45 a4 mov -0x5c(%ebp),%eax
804851d: 85 c0 test %eax,%eax
804851f: 74 2d je 804854e <load_proc_devfs+0x143>
fseek(initrd,pheader.offset+datapos,SEEK_SET);
8048521: 8b 55 98 mov -0x68(%ebp),%edx
8048524: 8b 45 08 mov 0x8(%ebp),%eax
8048527: 01 d0 add %edx,%eax
8048529: 83 ec 04 sub $0x4,%esp
804852c: 6a 03 push $0x3
804852e: 50 push %eax
804852f: ff 75 f0 pushl -0x10(%ebp)
8048532: e8 c9 0c 00 00 call 8049200 <fseek>
8048537: 83 c4 10 add $0x10,%esp
fread(ptr,sizeof(char),pheader.filesz,initrd);
804853a: 8b 45 a4 mov -0x5c(%ebp),%eax
804853d: ff 75 f0 pushl -0x10(%ebp)
8048540: 50 push %eax
8048541: 6a 01 push $0x1
8048543: ff 75 e8 pushl -0x18(%ebp)
8048546: e8 0e 06 00 00 call 8048b59 <fread>
804854b: 83 c4 10 add $0x10,%esp
}
copy_data(address_space,ptr,pheader.memsz,(void*)pheader.vaddr);
804854e: 8b 45 9c mov -0x64(%ebp),%eax
8048551: 89 c2 mov %eax,%edx
8048553: 8b 45 a8 mov -0x58(%ebp),%eax
8048556: 52 push %edx
8048557: 50 push %eax
8048558: ff 75 e8 pushl -0x18(%ebp)
804855b: ff 75 ec pushl -0x14(%ebp)
804855e: e8 c5 03 00 00 call 8048928 <copy_data>
8048563: 83 c4 10 add $0x10,%esp
for (int i=0;i<header.pheader_ent_nm;i++) {
8048566: ff 45 f4 incl -0xc(%ebp)
8048569: 8b 45 e0 mov -0x20(%ebp),%eax
804856c: 0f b7 c0 movzwl %ax,%eax
804856f: 39 45 f4 cmp %eax,-0xc(%ebp)
8048572: 0f 8c 3f ff ff ff jl 80484b7 <load_proc_devfs+0xac>
}
create_proc((void*)header.entry,address_space,NULL,NULL);
8048578: 8b 45 cc mov -0x34(%ebp),%eax
804857b: 6a 00 push $0x0
804857d: 6a 00 push $0x0
804857f: ff 75 ec pushl -0x14(%ebp)
8048582: 50 push %eax
8048583: e8 a1 16 00 00 call 8049c29 <create_proc>
8048588: 83 c4 10 add $0x10,%esp
}
return 1;
804858b: b0 01 mov $0x1,%al
}
804858d: c9 leave
804858e: c3 ret
0804858f <main>:
int main() {
804858f: 8d 4c 24 04 lea 0x4(%esp),%ecx
8048593: 83 e4 f0 and $0xfffffff0,%esp
8048596: ff 71 fc pushl -0x4(%ecx)
8048599: 55 push %ebp
804859a: 89 e5 mov %esp,%ebp
804859c: 51 push %ecx
804859d: 83 ec 24 sub $0x24,%esp
serial_print("Init running\n");
80485a0: 83 ec 0c sub $0xc,%esp
80485a3: 68 ec 9f 04 08 push $0x8049fec
80485a8: e8 da 02 00 00 call 8048887 <serial_print>
80485ad: 83 c4 10 add $0x10,%esp
long size=initrd_sz();
80485b0: e8 e6 02 00 00 call 804889b <initrd_sz>
80485b5: 89 45 f4 mov %eax,-0xc(%ebp)
char* initrd=malloc(size);
80485b8: 8b 45 f4 mov -0xc(%ebp),%eax
80485bb: 83 ec 0c sub $0xc,%esp
80485be: 50 push %eax
80485bf: e8 b9 0e 00 00 call 804947d <malloc>
80485c4: 83 c4 10 add $0x10,%esp
80485c7: 89 45 f0 mov %eax,-0x10(%ebp)
initrd_get(initrd);
80485ca: 83 ec 0c sub $0xc,%esp
80485cd: ff 75 f0 pushl -0x10(%ebp)
80485d0: e8 e2 02 00 00 call 80488b7 <initrd_get>
80485d5: 83 c4 10 add $0x10,%esp
size_t datapos=find_loc("vfs",initrd);
80485d8: 83 ec 08 sub $0x8,%esp
80485db: ff 75 f0 pushl -0x10(%ebp)
80485de: 68 fa 9f 04 08 push $0x8049ffa
80485e3: e8 06 fc ff ff call 80481ee <find_loc>
80485e8: 83 c4 10 add $0x10,%esp
80485eb: 89 45 ec mov %eax,-0x14(%ebp)
load_proc(datapos,initrd);
80485ee: 83 ec 08 sub $0x8,%esp
80485f1: ff 75 f0 pushl -0x10(%ebp)
80485f4: ff 75 ec pushl -0x14(%ebp)
80485f7: e8 b6 fc ff ff call 80482b2 <load_proc>
80485fc: 83 c4 10 add $0x10,%esp
while(rpc_is_init(2)==0);
80485ff: 90 nop
8048600: 83 ec 0c sub $0xc,%esp
8048603: 6a 02 push $0x2
8048605: e8 2b 17 00 00 call 8049d35 <rpc_is_init>
804860a: 83 c4 10 add $0x10,%esp
804860d: 84 c0 test %al,%al
804860f: 74 ef je 8048600 <main+0x71>
datapos=find_loc("devfs",initrd);
8048611: 83 ec 08 sub $0x8,%esp
8048614: ff 75 f0 pushl -0x10(%ebp)
8048617: 68 fe 9f 04 08 push $0x8049ffe
804861c: e8 cd fb ff ff call 80481ee <find_loc>
8048621: 83 c4 10 add $0x10,%esp
8048624: 89 45 ec mov %eax,-0x14(%ebp)
load_proc(datapos,initrd);
8048627: 83 ec 08 sub $0x8,%esp
804862a: ff 75 f0 pushl -0x10(%ebp)
804862d: ff 75 ec pushl -0x14(%ebp)
8048630: e8 7d fc ff ff call 80482b2 <load_proc>
8048635: 83 c4 10 add $0x10,%esp
while(rpc_is_init(3)==0);
8048638: 90 nop
8048639: 83 ec 0c sub $0xc,%esp
804863c: 6a 03 push $0x3
804863e: e8 f2 16 00 00 call 8049d35 <rpc_is_init>
8048643: 83 c4 10 add $0x10,%esp
8048646: 84 c0 test %al,%al
8048648: 74 ef je 8048639 <main+0xaa>
int err=mount("","devfs","/dev");
804864a: 83 ec 04 sub $0x4,%esp
804864d: 68 04 a0 04 08 push $0x804a004
8048652: 68 fe 9f 04 08 push $0x8049ffe
8048657: 68 09 a0 04 08 push $0x804a009
804865c: e8 7a 08 00 00 call 8048edb <mount>
8048661: 83 c4 10 add $0x10,%esp
8048664: 89 45 e8 mov %eax,-0x18(%ebp)
if (err) {
8048667: 83 7d e8 00 cmpl $0x0,-0x18(%ebp)
804866b: 74 1a je 8048687 <main+0xf8>
serial_print("Failed to mount devfs\n");
804866d: 83 ec 0c sub $0xc,%esp
8048670: 68 0a a0 04 08 push $0x804a00a
8048675: e8 0d 02 00 00 call 8048887 <serial_print>
804867a: 83 c4 10 add $0x10,%esp
exit(1);
804867d: 83 ec 0c sub $0xc,%esp
8048680: 6a 01 push $0x1
8048682: e8 c1 15 00 00 call 8049c48 <exit>
}
datapos=find_loc("initrd_drv",initrd);
8048687: 83 ec 08 sub $0x8,%esp
804868a: ff 75 f0 pushl -0x10(%ebp)
804868d: 68 21 a0 04 08 push $0x804a021
8048692: e8 57 fb ff ff call 80481ee <find_loc>
8048697: 83 c4 10 add $0x10,%esp
804869a: 89 45 ec mov %eax,-0x14(%ebp)
load_proc(datapos,initrd);
804869d: 83 ec 08 sub $0x8,%esp
80486a0: ff 75 f0 pushl -0x10(%ebp)
80486a3: ff 75 ec pushl -0x14(%ebp)
80486a6: e8 07 fc ff ff call 80482b2 <load_proc>
80486ab: 83 c4 10 add $0x10,%esp
while(rpc_is_init(4)==0);
80486ae: 90 nop
80486af: 83 ec 0c sub $0xc,%esp
80486b2: 6a 04 push $0x4
80486b4: e8 7c 16 00 00 call 8049d35 <rpc_is_init>
80486b9: 83 c4 10 add $0x10,%esp
80486bc: 84 c0 test %al,%al
80486be: 74 ef je 80486af <main+0x120>
serial_print("Loading tar_fs\n");
80486c0: 83 ec 0c sub $0xc,%esp
80486c3: 68 2c a0 04 08 push $0x804a02c
80486c8: e8 ba 01 00 00 call 8048887 <serial_print>
80486cd: 83 c4 10 add $0x10,%esp
datapos=find_loc("tar_fs",initrd);
80486d0: 83 ec 08 sub $0x8,%esp
80486d3: ff 75 f0 pushl -0x10(%ebp)
80486d6: 68 3c a0 04 08 push $0x804a03c
80486db: e8 0e fb ff ff call 80481ee <find_loc>
80486e0: 83 c4 10 add $0x10,%esp
80486e3: 89 45 ec mov %eax,-0x14(%ebp)
load_proc(datapos,initrd);
80486e6: 83 ec 08 sub $0x8,%esp
80486e9: ff 75 f0 pushl -0x10(%ebp)
80486ec: ff 75 ec pushl -0x14(%ebp)
80486ef: e8 be fb ff ff call 80482b2 <load_proc>
80486f4: 83 c4 10 add $0x10,%esp
while(rpc_is_init(5)==0);
80486f7: 90 nop
80486f8: 83 ec 0c sub $0xc,%esp
80486fb: 6a 05 push $0x5
80486fd: e8 33 16 00 00 call 8049d35 <rpc_is_init>
8048702: 83 c4 10 add $0x10,%esp
8048705: 84 c0 test %al,%al
8048707: 74 ef je 80486f8 <main+0x169>
serial_print("Mounting initrd\n");
8048709: 83 ec 0c sub $0xc,%esp
804870c: 68 43 a0 04 08 push $0x804a043
8048711: e8 71 01 00 00 call 8048887 <serial_print>
8048716: 83 c4 10 add $0x10,%esp
mount("/dev/initrd","tarfs","/initrd");
8048719: 83 ec 04 sub $0x4,%esp
804871c: 68 54 a0 04 08 push $0x804a054
8048721: 68 5c a0 04 08 push $0x804a05c
8048726: 68 ca 9f 04 08 push $0x8049fca
804872b: e8 ab 07 00 00 call 8048edb <mount>
8048730: 83 c4 10 add $0x10,%esp
serial_print("Opening file\n");
8048733: 83 ec 0c sub $0xc,%esp
8048736: 68 62 a0 04 08 push $0x804a062
804873b: e8 47 01 00 00 call 8048887 <serial_print>
8048740: 83 c4 10 add $0x10,%esp
FILE* test=fopen("/initrd/hi","r");
8048743: 83 ec 08 sub $0x8,%esp
8048746: 68 c8 9f 04 08 push $0x8049fc8
804874b: 68 70 a0 04 08 push $0x804a070
8048750: e8 4c 02 00 00 call 80489a1 <fopen>
8048755: 83 c4 10 add $0x10,%esp
8048758: 89 45 e4 mov %eax,-0x1c(%ebp)
serial_print("Reading from file\n");
804875b: 83 ec 0c sub $0xc,%esp
804875e: 68 7b a0 04 08 push $0x804a07b
8048763: e8 1f 01 00 00 call 8048887 <serial_print>
8048768: 83 c4 10 add $0x10,%esp
char* str=fread(malloc(7),1,6,test);
804876b: 83 ec 0c sub $0xc,%esp
804876e: 6a 07 push $0x7
8048770: e8 08 0d 00 00 call 804947d <malloc>
8048775: 83 c4 10 add $0x10,%esp
8048778: ff 75 e4 pushl -0x1c(%ebp)
804877b: 6a 06 push $0x6
804877d: 6a 01 push $0x1
804877f: 50 push %eax
8048780: e8 d4 03 00 00 call 8048b59 <fread>
8048785: 83 c4 10 add $0x10,%esp
8048788: 89 45 e0 mov %eax,-0x20(%ebp)
str[7]='\0';
804878b: 8b 45 e0 mov -0x20(%ebp),%eax
804878e: 83 c0 07 add $0x7,%eax
8048791: c6 00 00 movb $0x0,(%eax)
serial_print("Read from file: ");
8048794: 83 ec 0c sub $0xc,%esp
8048797: 68 8e a0 04 08 push $0x804a08e
804879c: e8 e6 00 00 00 call 8048887 <serial_print>
80487a1: 83 c4 10 add $0x10,%esp
serial_print(str);
80487a4: 83 ec 0c sub $0xc,%esp
80487a7: ff 75 e0 pushl -0x20(%ebp)
80487aa: e8 d8 00 00 00 call 8048887 <serial_print>
80487af: 83 c4 10 add $0x10,%esp
serial_print("Loading VGA driver\n");
80487b2: 83 ec 0c sub $0xc,%esp
80487b5: 68 9f a0 04 08 push $0x804a09f
80487ba: e8 c8 00 00 00 call 8048887 <serial_print>
80487bf: 83 c4 10 add $0x10,%esp
datapos=find_loc("vga_drv",initrd);
80487c2: 83 ec 08 sub $0x8,%esp
80487c5: ff 75 f0 pushl -0x10(%ebp)
80487c8: 68 b3 a0 04 08 push $0x804a0b3
80487cd: e8 1c fa ff ff call 80481ee <find_loc>
80487d2: 83 c4 10 add $0x10,%esp
80487d5: 89 45 ec mov %eax,-0x14(%ebp)
load_proc_devfs(datapos);
80487d8: 83 ec 0c sub $0xc,%esp
80487db: ff 75 ec pushl -0x14(%ebp)
80487de: e8 28 fc ff ff call 804840b <load_proc_devfs>
80487e3: 83 c4 10 add $0x10,%esp
while(rpc_is_init(6)==0);
80487e6: 90 nop
80487e7: 83 ec 0c sub $0xc,%esp
80487ea: 6a 06 push $0x6
80487ec: e8 44 15 00 00 call 8049d35 <rpc_is_init>
80487f1: 83 c4 10 add $0x10,%esp
80487f4: 84 c0 test %al,%al
80487f6: 74 ef je 80487e7 <main+0x258>
serial_print("Opening /dev/vga\n");
80487f8: 83 ec 0c sub $0xc,%esp
80487fb: 68 bb a0 04 08 push $0x804a0bb
8048800: e8 82 00 00 00 call 8048887 <serial_print>
8048805: 83 c4 10 add $0x10,%esp
stdout=fopen("/dev/vga","w");
8048808: 83 ec 08 sub $0x8,%esp
804880b: 68 cd a0 04 08 push $0x804a0cd
8048810: 68 cf a0 04 08 push $0x804a0cf
8048815: e8 87 01 00 00 call 80489a1 <fopen>
804881a: 83 c4 10 add $0x10,%esp
804881d: a3 44 b0 04 08 mov %eax,0x804b044
if (!stdout) {
8048822: a1 44 b0 04 08 mov 0x804b044,%eax
8048827: 85 c0 test %eax,%eax
8048829: 75 1a jne 8048845 <main+0x2b6>
serial_print("Could not open /dev/vga\n");
804882b: 83 ec 0c sub $0xc,%esp
804882e: 68 d8 a0 04 08 push $0x804a0d8
8048833: e8 4f 00 00 00 call 8048887 <serial_print>
8048838: 83 c4 10 add $0x10,%esp
exit(1);
804883b: 83 ec 0c sub $0xc,%esp
804883e: 6a 01 push $0x1
8048840: e8 03 14 00 00 call 8049c48 <exit>
}
serial_print("Writing to screen\n");
8048845: 83 ec 0c sub $0xc,%esp
8048848: 68 f1 a0 04 08 push $0x804a0f1
804884d: e8 35 00 00 00 call 8048887 <serial_print>
8048852: 83 c4 10 add $0x10,%esp
puts("Puts test");
8048855: 83 ec 0c sub $0xc,%esp
8048858: 68 04 a1 04 08 push $0x804a104
804885d: e8 0c 04 00 00 call 8048c6e <puts>
8048862: 83 c4 10 add $0x10,%esp
printf("Printf test with file opened to %s\n","/dev/vga");
8048865: 83 ec 08 sub $0x8,%esp
8048868: 68 cf a0 04 08 push $0x804a0cf
804886d: 68 10 a1 04 08 push $0x804a110
8048872: e8 45 09 00 00 call 80491bc <printf>
8048877: 83 c4 10 add $0x10,%esp
804887a: b8 00 00 00 00 mov $0x0,%eax
}
804887f: 8b 4d fc mov -0x4(%ebp),%ecx
8048882: c9 leave
8048883: 8d 61 fc lea -0x4(%ecx),%esp
8048886: c3 ret
08048887 <serial_print>:
#include <sys/syscalls.h>
#define QUAUX(X) #X
#define QU(X) QUAUX(X)
void serial_print(char* str) {
8048887: 55 push %ebp
8048888: 89 e5 mov %esp,%ebp
804888a: 53 push %ebx
asm volatile(" \
804888b: 8b 45 08 mov 0x8(%ebp),%eax
804888e: 89 c3 mov %eax,%ebx
8048890: b8 0b 00 00 00 mov $0xb,%eax
8048895: cd 50 int $0x50
mov $" QU(SYSCALL_SERIAL_PRINT) ", %%eax; \
int $80; \
"::"b"(str));
}
8048897: 90 nop
8048898: 5b pop %ebx
8048899: 5d pop %ebp
804889a: c3 ret
0804889b <initrd_sz>:
#include <sys/syscalls.h>
#define QUAUX(X) #X
#define QU(X) QUAUX(X)
long initrd_sz() {
804889b: 55 push %ebp
804889c: 89 e5 mov %esp,%ebp
804889e: 53 push %ebx
804889f: 83 ec 10 sub $0x10,%esp
long size;
asm volatile(" \
80488a2: b8 0c 00 00 00 mov $0xc,%eax
80488a7: cd 50 int $0x50
80488a9: 89 d8 mov %ebx,%eax
80488ab: 89 45 f8 mov %eax,-0x8(%ebp)
mov $" QU(SYSCALL_GET_INITRD_SZ) ", %%eax; \
int $80; \
":"=b"(size));
return size;
80488ae: 8b 45 f8 mov -0x8(%ebp),%eax
}
80488b1: 83 c4 10 add $0x10,%esp
80488b4: 5b pop %ebx
80488b5: 5d pop %ebp
80488b6: c3 ret
080488b7 <initrd_get>:
void initrd_get(char* initrd) {
80488b7: 55 push %ebp
80488b8: 89 e5 mov %esp,%ebp
80488ba: 53 push %ebx
asm volatile(" \
80488bb: 8b 45 08 mov 0x8(%ebp),%eax
80488be: 89 c3 mov %eax,%ebx
80488c0: b8 0d 00 00 00 mov $0xd,%eax
80488c5: cd 50 int $0x50
mov $" QU(SYSCALL_COPY_INITRD) ", %%eax; \
int $80; \
"::"b"(initrd));
}
80488c7: 90 nop
80488c8: 5b pop %ebx
80488c9: 5d pop %ebp
80488ca: c3 ret
080488cb <alloc_memory>:
#include <sys/syscalls.h>
#define QUAUX(X) #X
#define QU(X) QUAUX(X)
void* alloc_memory(int num_pages) {
80488cb: 55 push %ebp
80488cc: 89 e5 mov %esp,%ebp
80488ce: 53 push %ebx
80488cf: 83 ec 10 sub $0x10,%esp
void* address;
asm volatile(" \
80488d2: 8b 45 08 mov 0x8(%ebp),%eax
80488d5: ba 00 00 00 00 mov $0x0,%edx
80488da: 89 c3 mov %eax,%ebx
80488dc: 89 d1 mov %edx,%ecx
80488de: b8 07 00 00 00 mov $0x7,%eax
80488e3: cd 50 int $0x50
80488e5: 89 d8 mov %ebx,%eax
80488e7: 89 45 f8 mov %eax,-0x8(%ebp)
mov $" QU(SYSCALL_ALLOC_MEM) ", %%eax; \
int $80; \
":"=b"(address):"b"(num_pages),"c"(NULL));
return address;
80488ea: 8b 45 f8 mov -0x8(%ebp),%eax
}
80488ed: 83 c4 10 add $0x10,%esp
80488f0: 5b pop %ebx
80488f1: 5d pop %ebp
80488f2: c3 ret
080488f3 <alloc_memory_virt>:
void alloc_memory_virt(int num_pages,void* addr) {
80488f3: 55 push %ebp
80488f4: 89 e5 mov %esp,%ebp
80488f6: 53 push %ebx
asm volatile(" \
80488f7: 8b 45 08 mov 0x8(%ebp),%eax
80488fa: 8b 55 0c mov 0xc(%ebp),%edx
80488fd: 89 c3 mov %eax,%ebx
80488ff: 89 d1 mov %edx,%ecx
8048901: b8 07 00 00 00 mov $0x7,%eax
8048906: cd 50 int $0x50
mov $" QU(SYSCALL_ALLOC_MEM) ", %%eax; \
int $80; \
"::"b"(num_pages),"c"(addr));
}
8048908: 90 nop
8048909: 5b pop %ebx
804890a: 5d pop %ebp
804890b: c3 ret
0804890c <new_address_space>:
void* new_address_space() {
804890c: 55 push %ebp
804890d: 89 e5 mov %esp,%ebp
804890f: 53 push %ebx
8048910: 83 ec 10 sub $0x10,%esp
void* address_space;
asm volatile(" \
8048913: b8 09 00 00 00 mov $0x9,%eax
8048918: cd 50 int $0x50
804891a: 89 d8 mov %ebx,%eax
804891c: 89 45 f8 mov %eax,-0x8(%ebp)
mov $" QU(SYSCALL_NEW_ADDR_SPACE) ", %%eax; \
int $80; \
":"=b"(address_space));
return address_space;
804891f: 8b 45 f8 mov -0x8(%ebp),%eax
}
8048922: 83 c4 10 add $0x10,%esp
8048925: 5b pop %ebx
8048926: 5d pop %ebp
8048927: c3 ret
08048928 <copy_data>:
void copy_data(void* address_space, void* data,size_t size,void* virt_addr) {
8048928: 55 push %ebp
8048929: 89 e5 mov %esp,%ebp
804892b: 56 push %esi
804892c: 53 push %ebx
asm volatile(" \
804892d: 8b 45 08 mov 0x8(%ebp),%eax
8048930: 8b 4d 0c mov 0xc(%ebp),%ecx
8048933: 8b 55 10 mov 0x10(%ebp),%edx
8048936: 8b 75 14 mov 0x14(%ebp),%esi
8048939: 89 c3 mov %eax,%ebx
804893b: b8 0a 00 00 00 mov $0xa,%eax
8048940: cd 50 int $0x50
mov $" QU(SYSCALL_ADDR_SPACES_COPY_DATA) ", %%eax; \
int $80; \
"::"b"(address_space),"c"(data),"d"(size),"S"(virt_addr));
}
8048942: 90 nop
8048943: 5b pop %ebx
8048944: 5e pop %esi
8048945: 5d pop %ebp
8048946: c3 ret
08048947 <put_data>:
void* put_data(void* address_space, void* data,size_t size) {
8048947: 55 push %ebp
8048948: 89 e5 mov %esp,%ebp
804894a: 56 push %esi
804894b: 53 push %ebx
804894c: 83 ec 10 sub $0x10,%esp
void* virt_addr;
asm volatile(" \
804894f: 8b 45 08 mov 0x8(%ebp),%eax
8048952: 8b 4d 0c mov 0xc(%ebp),%ecx
8048955: 8b 55 10 mov 0x10(%ebp),%edx
8048958: be 00 00 00 00 mov $0x0,%esi
804895d: 89 c3 mov %eax,%ebx
804895f: b8 0a 00 00 00 mov $0xa,%eax
8048964: cd 50 int $0x50
8048966: 89 d8 mov %ebx,%eax
8048968: 89 45 f4 mov %eax,-0xc(%ebp)
mov $" QU(SYSCALL_ADDR_SPACES_COPY_DATA) ", %%eax; \
int $80; \
":"=b"(virt_addr):"b"(address_space),"c"(data),"d"(size),"S"(NULL));
return virt_addr;
804896b: 8b 45 f4 mov -0xc(%ebp),%eax
}
804896e: 83 c4 10 add $0x10,%esp
8048971: 5b pop %ebx
8048972: 5e pop %esi
8048973: 5d pop %ebp
8048974: c3 ret
08048975 <map_phys>:
void* map_phys(void* phys_addr,size_t num_pages) {
8048975: 55 push %ebp
8048976: 89 e5 mov %esp,%ebp
8048978: 53 push %ebx
8048979: 83 ec 10 sub $0x10,%esp
void* virt_addr;
asm volatile(" \
804897c: 8b 45 08 mov 0x8(%ebp),%eax
804897f: 8b 55 0c mov 0xc(%ebp),%edx
8048982: 89 c3 mov %eax,%ebx
8048984: 89 d1 mov %edx,%ecx
8048986: b8 08 00 00 00 mov $0x8,%eax
804898b: cd 50 int $0x50
804898d: 89 d8 mov %ebx,%eax
804898f: 89 45 f8 mov %eax,-0x8(%ebp)
mov $" QU(SYSCALL_PRIV_MAP_PAGES) ", %%eax; \
int $80; \
":"=b"(virt_addr):"b"(phys_addr),"c"(num_pages));
return virt_addr;
8048992: 8b 45 f8 mov -0x8(%ebp),%eax
}
8048995: 83 c4 10 add $0x10,%esp
8048998: 5b pop %ebx
8048999: 5d pop %ebp
804899a: c3 ret
0804899b <__stdio_init>:
/**
* Initialize stdio.
* Must not be called by user code.
*/
void __stdio_init() {
804899b: 55 push %ebp
804899c: 89 e5 mov %esp,%ebp
}
804899e: 90 nop
804899f: 5d pop %ebp
80489a0: c3 ret
080489a1 <fopen>:
FILE* fopen(char* filename,char* mode) {
80489a1: 55 push %ebp
80489a2: 89 e5 mov %esp,%ebp
80489a4: 83 ec 28 sub $0x28,%esp
serdes_state state={0};
80489a7: c7 45 dc 00 00 00 00 movl $0x0,-0x24(%ebp)
80489ae: c7 45 e0 00 00 00 00 movl $0x0,-0x20(%ebp)
serialize_str(filename,&state);
80489b5: 83 ec 0c sub $0xc,%esp
80489b8: ff 75 08 pushl 0x8(%ebp)
80489bb: e8 77 0e 00 00 call 8049837 <strlen>
80489c0: 83 c4 10 add $0x10,%esp
80489c3: 40 inc %eax
80489c4: 89 c2 mov %eax,%edx
80489c6: 83 ec 08 sub $0x8,%esp
80489c9: 8d 45 dc lea -0x24(%ebp),%eax
80489cc: 50 push %eax
80489cd: 52 push %edx
80489ce: e8 83 13 00 00 call 8049d56 <serialize_int>
80489d3: 83 c4 10 add $0x10,%esp
80489d6: 83 ec 0c sub $0xc,%esp
80489d9: ff 75 08 pushl 0x8(%ebp)
80489dc: e8 56 0e 00 00 call 8049837 <strlen>
80489e1: 83 c4 10 add $0x10,%esp
80489e4: 8d 50 01 lea 0x1(%eax),%edx
80489e7: 83 ec 04 sub $0x4,%esp
80489ea: 8d 45 dc lea -0x24(%ebp),%eax
80489ed: 50 push %eax
80489ee: 52 push %edx
80489ef: ff 75 08 pushl 0x8(%ebp)
80489f2: e8 f3 13 00 00 call 8049dea <serialize_ary>
80489f7: 83 c4 10 add $0x10,%esp
void* retval=rpc_call(2,"open",state.buf,state.sizeorpos);
80489fa: 8b 55 e0 mov -0x20(%ebp),%edx
80489fd: 8b 45 dc mov -0x24(%ebp),%eax
8048a00: 52 push %edx
8048a01: 50 push %eax
8048a02: 68 34 a1 04 08 push $0x804a134
8048a07: 6a 02 push $0x2
8048a09: e8 a1 12 00 00 call 8049caf <rpc_call>
8048a0e: 83 c4 10 add $0x10,%esp
8048a11: 89 45 f4 mov %eax,-0xc(%ebp)
free(state.buf);
8048a14: 8b 45 dc mov -0x24(%ebp),%eax
8048a17: 83 ec 0c sub $0xc,%esp
8048a1a: 50 push %eax
8048a1b: e8 b3 0c 00 00 call 80496d3 <free>
8048a20: 83 c4 10 add $0x10,%esp
start_deserialize(retval,&state);
8048a23: 83 ec 08 sub $0x8,%esp
8048a26: 8d 45 dc lea -0x24(%ebp),%eax
8048a29: 50 push %eax
8048a2a: ff 75 f4 pushl -0xc(%ebp)
8048a2d: e8 13 14 00 00 call 8049e45 <start_deserialize>
8048a32: 83 c4 10 add $0x10,%esp
int err=deserialize_int(&state);
8048a35: 83 ec 0c sub $0xc,%esp
8048a38: 8d 45 dc lea -0x24(%ebp),%eax
8048a3b: 50 push %eax
8048a3c: e8 1c 14 00 00 call 8049e5d <deserialize_int>
8048a41: 83 c4 10 add $0x10,%esp
8048a44: 89 45 f0 mov %eax,-0x10(%ebp)
void* fs_data=deserialize_ptr(&state);
8048a47: 83 ec 0c sub $0xc,%esp
8048a4a: 8d 45 dc lea -0x24(%ebp),%eax
8048a4d: 50 push %eax
8048a4e: e8 36 14 00 00 call 8049e89 <deserialize_ptr>
8048a53: 83 c4 10 add $0x10,%esp
8048a56: 89 45 ec mov %eax,-0x14(%ebp)
pid_t fs_pid=deserialize_int(&state);
8048a59: 83 ec 0c sub $0xc,%esp
8048a5c: 8d 45 dc lea -0x24(%ebp),%eax
8048a5f: 50 push %eax
8048a60: e8 f8 13 00 00 call 8049e5d <deserialize_int>
8048a65: 83 c4 10 add $0x10,%esp
8048a68: 89 45 e8 mov %eax,-0x18(%ebp)
rpc_deallocate_buf(retval,state.sizeorpos);
8048a6b: 8b 45 e0 mov -0x20(%ebp),%eax
8048a6e: 83 ec 08 sub $0x8,%esp
8048a71: 50 push %eax
8048a72: ff 75 f4 pushl -0xc(%ebp)
8048a75: e8 7c 12 00 00 call 8049cf6 <rpc_deallocate_buf>
8048a7a: 83 c4 10 add $0x10,%esp
if (err) {
8048a7d: 83 7d f0 00 cmpl $0x0,-0x10(%ebp)
8048a81: 74 07 je 8048a8a <fopen+0xe9>
return NULL;
8048a83: b8 00 00 00 00 mov $0x0,%eax
8048a88: eb 2e jmp 8048ab8 <fopen+0x117>
} else {
FILE* file=malloc(sizeof(FILE));
8048a8a: 83 ec 0c sub $0xc,%esp
8048a8d: 6a 0c push $0xc
8048a8f: e8 e9 09 00 00 call 804947d <malloc>
8048a94: 83 c4 10 add $0x10,%esp
8048a97: 89 45 e4 mov %eax,-0x1c(%ebp)
file->fs_pid=fs_pid;
8048a9a: 8b 45 e4 mov -0x1c(%ebp),%eax
8048a9d: 8b 55 e8 mov -0x18(%ebp),%edx
8048aa0: 89 10 mov %edx,(%eax)
file->fs_data=fs_data;
8048aa2: 8b 45 e4 mov -0x1c(%ebp),%eax
8048aa5: 8b 55 ec mov -0x14(%ebp),%edx
8048aa8: 89 50 04 mov %edx,0x4(%eax)
file->pos=0;
8048aab: 8b 45 e4 mov -0x1c(%ebp),%eax
8048aae: c7 40 08 00 00 00 00 movl $0x0,0x8(%eax)
return file;
8048ab5: 8b 45 e4 mov -0x1c(%ebp),%eax
}
}
8048ab8: c9 leave
8048ab9: c3 ret
08048aba <fputc>:
* \param stream The stream to write to
* \returns the written character, or EOF on failure
*/
int putc(int c, FILE* stream) __attribute__ ((alias ("fputc")));
int fputc(int c, FILE* stream) {
8048aba: 55 push %ebp
8048abb: 89 e5 mov %esp,%ebp
8048abd: 83 ec 18 sub $0x18,%esp
char str[]={c,'\0'};
8048ac0: 8b 45 08 mov 0x8(%ebp),%eax
8048ac3: 88 45 f6 mov %al,-0xa(%ebp)
8048ac6: c6 45 f7 00 movb $0x0,-0x9(%ebp)
if (fputs(str,stream)==0) {
8048aca: 83 ec 08 sub $0x8,%esp
8048acd: ff 75 0c pushl 0xc(%ebp)
8048ad0: 8d 45 f6 lea -0xa(%ebp),%eax
8048ad3: 50 push %eax
8048ad4: e8 25 02 00 00 call 8048cfe <fputs>
8048ad9: 83 c4 10 add $0x10,%esp
8048adc: 85 c0 test %eax,%eax
8048ade: 75 07 jne 8048ae7 <fputc+0x2d>
return EOF;
8048ae0: b8 ff ff ff ff mov $0xffffffff,%eax
8048ae5: eb 03 jmp 8048aea <fputc+0x30>
} else {
return c;
8048ae7: 8b 45 08 mov 0x8(%ebp),%eax
}
return EOF;
}
8048aea: c9 leave
8048aeb: c3 ret
08048aec <fgetc>:
* \param stream The file to read from
* \returns the read character, or EOF if the read fails
*/
int getc(FILE* stream) __attribute__ ((alias ("fgetc")));
int fgetc(FILE* stream) {
8048aec: 55 push %ebp
8048aed: 89 e5 mov %esp,%ebp
8048aef: 83 ec 18 sub $0x18,%esp
char c[2];
if (fgets(&c[0],1,stream)==NULL) {
8048af2: 83 ec 04 sub $0x4,%esp
8048af5: ff 75 08 pushl 0x8(%ebp)
8048af8: 6a 01 push $0x1
8048afa: 8d 45 f6 lea -0xa(%ebp),%eax
8048afd: 50 push %eax
8048afe: e8 37 00 00 00 call 8048b3a <fgets>
8048b03: 83 c4 10 add $0x10,%esp
8048b06: 85 c0 test %eax,%eax
8048b08: 75 07 jne 8048b11 <fgetc+0x25>
return EOF;
8048b0a: b8 ff ff ff ff mov $0xffffffff,%eax
8048b0f: eb 06 jmp 8048b17 <fgetc+0x2b>
} else {
return c[0];
8048b11: 8a 45 f6 mov -0xa(%ebp),%al
8048b14: 0f be c0 movsbl %al,%eax
}
return EOF;
}
8048b17: c9 leave
8048b18: c3 ret
08048b19 <gets>:
char* gets(char* s) {
8048b19: 55 push %ebp
8048b1a: 89 e5 mov %esp,%ebp
8048b1c: 83 ec 08 sub $0x8,%esp
return fgets(s,INT_MAX,stdin);
8048b1f: a1 40 b0 04 08 mov 0x804b040,%eax
8048b24: 83 ec 04 sub $0x4,%esp
8048b27: 50 push %eax
8048b28: 68 ff ff ff 7f push $0x7fffffff
8048b2d: ff 75 08 pushl 0x8(%ebp)
8048b30: e8 05 00 00 00 call 8048b3a <fgets>
8048b35: 83 c4 10 add $0x10,%esp
}
8048b38: c9 leave
8048b39: c3 ret
08048b3a <fgets>:
char* fgets(char* str,int count,FILE* stream) {
8048b3a: 55 push %ebp
8048b3b: 89 e5 mov %esp,%ebp
8048b3d: 83 ec 08 sub $0x8,%esp
fread(str,1,count,stream);
8048b40: 8b 45 0c mov 0xc(%ebp),%eax
8048b43: ff 75 10 pushl 0x10(%ebp)
8048b46: 50 push %eax
8048b47: 6a 01 push $0x1
8048b49: ff 75 08 pushl 0x8(%ebp)
8048b4c: e8 08 00 00 00 call 8048b59 <fread>
8048b51: 83 c4 10 add $0x10,%esp
return str;
8048b54: 8b 45 08 mov 0x8(%ebp),%eax
}
8048b57: c9 leave
8048b58: c3 ret
08048b59 <fread>:
size_t fread(void* buffer_ptr,size_t size,size_t count,FILE* stream) {
8048b59: 55 push %ebp
8048b5a: 89 e5 mov %esp,%ebp
8048b5c: 83 ec 28 sub $0x28,%esp
serdes_state state={0};
8048b5f: c7 45 e4 00 00 00 00 movl $0x0,-0x1c(%ebp)
8048b66: c7 45 e8 00 00 00 00 movl $0x0,-0x18(%ebp)
serialize_ptr(stream->fs_data,&state);
8048b6d: 8b 45 14 mov 0x14(%ebp),%eax
8048b70: 8b 40 04 mov 0x4(%eax),%eax
8048b73: 83 ec 08 sub $0x8,%esp
8048b76: 8d 55 e4 lea -0x1c(%ebp),%edx
8048b79: 52 push %edx
8048b7a: 50 push %eax
8048b7b: e8 20 12 00 00 call 8049da0 <serialize_ptr>
8048b80: 83 c4 10 add $0x10,%esp
serialize_int(size*count,&state);
8048b83: 8b 45 0c mov 0xc(%ebp),%eax
8048b86: 0f af 45 10 imul 0x10(%ebp),%eax
8048b8a: 89 c2 mov %eax,%edx
8048b8c: 83 ec 08 sub $0x8,%esp
8048b8f: 8d 45 e4 lea -0x1c(%ebp),%eax
8048b92: 50 push %eax
8048b93: 52 push %edx
8048b94: e8 bd 11 00 00 call 8049d56 <serialize_int>
8048b99: 83 c4 10 add $0x10,%esp
serialize_int(stream->pos,&state);
8048b9c: 8b 45 14 mov 0x14(%ebp),%eax
8048b9f: 8b 40 08 mov 0x8(%eax),%eax
8048ba2: 83 ec 08 sub $0x8,%esp
8048ba5: 8d 55 e4 lea -0x1c(%ebp),%edx
8048ba8: 52 push %edx
8048ba9: 50 push %eax
8048baa: e8 a7 11 00 00 call 8049d56 <serialize_int>
8048baf: 83 c4 10 add $0x10,%esp
void* retbuf=rpc_call(stream->fs_pid,"read",state.buf,state.sizeorpos);
8048bb2: 8b 4d e8 mov -0x18(%ebp),%ecx
8048bb5: 8b 55 e4 mov -0x1c(%ebp),%edx
8048bb8: 8b 45 14 mov 0x14(%ebp),%eax
8048bbb: 8b 00 mov (%eax),%eax
8048bbd: 51 push %ecx
8048bbe: 52 push %edx
8048bbf: 68 39 a1 04 08 push $0x804a139
8048bc4: 50 push %eax
8048bc5: e8 e5 10 00 00 call 8049caf <rpc_call>
8048bca: 83 c4 10 add $0x10,%esp
8048bcd: 89 45 f4 mov %eax,-0xc(%ebp)
free(state.buf);
8048bd0: 8b 45 e4 mov -0x1c(%ebp),%eax
8048bd3: 83 ec 0c sub $0xc,%esp
8048bd6: 50 push %eax
8048bd7: e8 f7 0a 00 00 call 80496d3 <free>
8048bdc: 83 c4 10 add $0x10,%esp
state.buf=NULL;
8048bdf: c7 45 e4 00 00 00 00 movl $0x0,-0x1c(%ebp)
state.sizeorpos=0;
8048be6: c7 45 e8 00 00 00 00 movl $0x0,-0x18(%ebp)
start_deserialize(retbuf,&state);
8048bed: 83 ec 08 sub $0x8,%esp
8048bf0: 8d 45 e4 lea -0x1c(%ebp),%eax
8048bf3: 50 push %eax
8048bf4: ff 75 f4 pushl -0xc(%ebp)
8048bf7: e8 49 12 00 00 call 8049e45 <start_deserialize>
8048bfc: 83 c4 10 add $0x10,%esp
int bytes_read=deserialize_int(&state);
8048bff: 83 ec 0c sub $0xc,%esp
8048c02: 8d 45 e4 lea -0x1c(%ebp),%eax
8048c05: 50 push %eax
8048c06: e8 52 12 00 00 call 8049e5d <deserialize_int>
8048c0b: 83 c4 10 add $0x10,%esp
8048c0e: 89 45 f0 mov %eax,-0x10(%ebp)
if (bytes_read) {
8048c11: 83 7d f0 00 cmpl $0x0,-0x10(%ebp)
8048c15: 74 2f je 8048c46 <fread+0xed>
void* ary=deserialize_ary(bytes_read,&state);
8048c17: 8b 45 f0 mov -0x10(%ebp),%eax
8048c1a: 83 ec 08 sub $0x8,%esp
8048c1d: 8d 55 e4 lea -0x1c(%ebp),%edx
8048c20: 52 push %edx
8048c21: 50 push %eax
8048c22: e8 8e 12 00 00 call 8049eb5 <deserialize_ary>
8048c27: 83 c4 10 add $0x10,%esp
8048c2a: 89 45 ec mov %eax,-0x14(%ebp)
memcpy(buffer_ptr,ary,size*count);
8048c2d: 8b 45 0c mov 0xc(%ebp),%eax
8048c30: 0f af 45 10 imul 0x10(%ebp),%eax
8048c34: 83 ec 04 sub $0x4,%esp
8048c37: 50 push %eax
8048c38: ff 75 ec pushl -0x14(%ebp)
8048c3b: ff 75 08 pushl 0x8(%ebp)
8048c3e: e8 24 0b 00 00 call 8049767 <memcpy>
8048c43: 83 c4 10 add $0x10,%esp
}
rpc_deallocate_buf(retbuf,state.sizeorpos);
8048c46: 8b 45 e8 mov -0x18(%ebp),%eax
8048c49: 83 ec 08 sub $0x8,%esp
8048c4c: 50 push %eax
8048c4d: ff 75 f4 pushl -0xc(%ebp)
8048c50: e8 a1 10 00 00 call 8049cf6 <rpc_deallocate_buf>
8048c55: 83 c4 10 add $0x10,%esp
stream->pos+=bytes_read;
8048c58: 8b 45 14 mov 0x14(%ebp),%eax
8048c5b: 8b 50 08 mov 0x8(%eax),%edx
8048c5e: 8b 45 f0 mov -0x10(%ebp),%eax
8048c61: 01 c2 add %eax,%edx
8048c63: 8b 45 14 mov 0x14(%ebp),%eax
8048c66: 89 50 08 mov %edx,0x8(%eax)
return bytes_read;
8048c69: 8b 45 f0 mov -0x10(%ebp),%eax
}
8048c6c: c9 leave
8048c6d: c3 ret
08048c6e <puts>:
int puts(const char *s) {
8048c6e: 55 push %ebp
8048c6f: 89 e5 mov %esp,%ebp
8048c71: 83 ec 18 sub $0x18,%esp
char* str=malloc(sizeof(char)*(strlen(s)+2));
8048c74: 83 ec 0c sub $0xc,%esp
8048c77: ff 75 08 pushl 0x8(%ebp)
8048c7a: e8 b8 0b 00 00 call 8049837 <strlen>
8048c7f: 83 c4 10 add $0x10,%esp
8048c82: 83 c0 02 add $0x2,%eax
8048c85: 83 ec 0c sub $0xc,%esp
8048c88: 50 push %eax
8048c89: e8 ef 07 00 00 call 804947d <malloc>
8048c8e: 83 c4 10 add $0x10,%esp
8048c91: 89 45 f4 mov %eax,-0xc(%ebp)
strcpy(str,s);
8048c94: 83 ec 08 sub $0x8,%esp
8048c97: ff 75 08 pushl 0x8(%ebp)
8048c9a: ff 75 f4 pushl -0xc(%ebp)
8048c9d: e8 ba 0b 00 00 call 804985c <strcpy>
8048ca2: 83 c4 10 add $0x10,%esp
str[strlen(s)]='\n';
8048ca5: 83 ec 0c sub $0xc,%esp
8048ca8: ff 75 08 pushl 0x8(%ebp)
8048cab: e8 87 0b 00 00 call 8049837 <strlen>
8048cb0: 83 c4 10 add $0x10,%esp
8048cb3: 8b 55 f4 mov -0xc(%ebp),%edx
8048cb6: 01 d0 add %edx,%eax
8048cb8: c6 00 0a movb $0xa,(%eax)
str[strlen(s)+1]='\0';
8048cbb: 83 ec 0c sub $0xc,%esp
8048cbe: ff 75 08 pushl 0x8(%ebp)
8048cc1: e8 71 0b 00 00 call 8049837 <strlen>
8048cc6: 83 c4 10 add $0x10,%esp
8048cc9: 8d 50 01 lea 0x1(%eax),%edx
8048ccc: 8b 45 f4 mov -0xc(%ebp),%eax
8048ccf: 01 d0 add %edx,%eax
8048cd1: c6 00 00 movb $0x0,(%eax)
int code=fputs(str,stdout);
8048cd4: a1 44 b0 04 08 mov 0x804b044,%eax
8048cd9: 83 ec 08 sub $0x8,%esp
8048cdc: 50 push %eax
8048cdd: ff 75 f4 pushl -0xc(%ebp)
8048ce0: e8 19 00 00 00 call 8048cfe <fputs>
8048ce5: 83 c4 10 add $0x10,%esp
8048ce8: 89 45 f0 mov %eax,-0x10(%ebp)
free(str);
8048ceb: 83 ec 0c sub $0xc,%esp
8048cee: ff 75 f4 pushl -0xc(%ebp)
8048cf1: e8 dd 09 00 00 call 80496d3 <free>
8048cf6: 83 c4 10 add $0x10,%esp
return code;
8048cf9: 8b 45 f0 mov -0x10(%ebp),%eax
}
8048cfc: c9 leave
8048cfd: c3 ret
08048cfe <fputs>:
int fputs(const char* s, FILE* stream) {
8048cfe: 55 push %ebp
8048cff: 89 e5 mov %esp,%ebp
8048d01: 83 ec 18 sub $0x18,%esp
size_t retval=fwrite((void*)s,strlen(s),1,stream);
8048d04: 83 ec 0c sub $0xc,%esp
8048d07: ff 75 08 pushl 0x8(%ebp)
8048d0a: e8 28 0b 00 00 call 8049837 <strlen>
8048d0f: 83 c4 10 add $0x10,%esp
8048d12: ff 75 0c pushl 0xc(%ebp)
8048d15: 6a 01 push $0x1
8048d17: 50 push %eax
8048d18: ff 75 08 pushl 0x8(%ebp)
8048d1b: e8 1a 00 00 00 call 8048d3a <fwrite>
8048d20: 83 c4 10 add $0x10,%esp
8048d23: 89 45 f4 mov %eax,-0xc(%ebp)
if (retval==0) {
8048d26: 83 7d f4 00 cmpl $0x0,-0xc(%ebp)
8048d2a: 75 07 jne 8048d33 <fputs+0x35>
return 0;
8048d2c: b8 00 00 00 00 mov $0x0,%eax
8048d31: eb 05 jmp 8048d38 <fputs+0x3a>
} else {
return EOF;
8048d33: b8 ff ff ff ff mov $0xffffffff,%eax
}
}
8048d38: c9 leave
8048d39: c3 ret
08048d3a <fwrite>:
size_t fwrite(void* buffer_ptr,size_t size,size_t count,FILE* stream) {
8048d3a: 55 push %ebp
8048d3b: 89 e5 mov %esp,%ebp
8048d3d: 83 ec 18 sub $0x18,%esp
serdes_state state={0};
8048d40: c7 45 e8 00 00 00 00 movl $0x0,-0x18(%ebp)
8048d47: c7 45 ec 00 00 00 00 movl $0x0,-0x14(%ebp)
serialize_ptr(stream->fs_data,&state);
8048d4e: 8b 45 14 mov 0x14(%ebp),%eax
8048d51: 8b 40 04 mov 0x4(%eax),%eax
8048d54: 83 ec 08 sub $0x8,%esp
8048d57: 8d 55 e8 lea -0x18(%ebp),%edx
8048d5a: 52 push %edx
8048d5b: 50 push %eax
8048d5c: e8 3f 10 00 00 call 8049da0 <serialize_ptr>
8048d61: 83 c4 10 add $0x10,%esp
serialize_int(size*count,&state);
8048d64: 8b 45 0c mov 0xc(%ebp),%eax
8048d67: 0f af 45 10 imul 0x10(%ebp),%eax
8048d6b: 89 c2 mov %eax,%edx
8048d6d: 83 ec 08 sub $0x8,%esp
8048d70: 8d 45 e8 lea -0x18(%ebp),%eax
8048d73: 50 push %eax
8048d74: 52 push %edx
8048d75: e8 dc 0f 00 00 call 8049d56 <serialize_int>
8048d7a: 83 c4 10 add $0x10,%esp
serialize_int(stream->pos,&state);
8048d7d: 8b 45 14 mov 0x14(%ebp),%eax
8048d80: 8b 40 08 mov 0x8(%eax),%eax
8048d83: 83 ec 08 sub $0x8,%esp
8048d86: 8d 55 e8 lea -0x18(%ebp),%edx
8048d89: 52 push %edx
8048d8a: 50 push %eax
8048d8b: e8 c6 0f 00 00 call 8049d56 <serialize_int>
8048d90: 83 c4 10 add $0x10,%esp
serialize_ary(buffer_ptr,size*count,&state);
8048d93: 8b 45 0c mov 0xc(%ebp),%eax
8048d96: 0f af 45 10 imul 0x10(%ebp),%eax
8048d9a: 83 ec 04 sub $0x4,%esp
8048d9d: 8d 55 e8 lea -0x18(%ebp),%edx
8048da0: 52 push %edx
8048da1: 50 push %eax
8048da2: ff 75 08 pushl 0x8(%ebp)
8048da5: e8 40 10 00 00 call 8049dea <serialize_ary>
8048daa: 83 c4 10 add $0x10,%esp
void* retbuf=rpc_call(stream->fs_pid,"write",state.buf,state.sizeorpos);
8048dad: 8b 4d ec mov -0x14(%ebp),%ecx
8048db0: 8b 55 e8 mov -0x18(%ebp),%edx
8048db3: 8b 45 14 mov 0x14(%ebp),%eax
8048db6: 8b 00 mov (%eax),%eax
8048db8: 51 push %ecx
8048db9: 52 push %edx
8048dba: 68 3e a1 04 08 push $0x804a13e
8048dbf: 50 push %eax
8048dc0: e8 ea 0e 00 00 call 8049caf <rpc_call>
8048dc5: 83 c4 10 add $0x10,%esp
8048dc8: 89 45 f4 mov %eax,-0xc(%ebp)
free(state.buf);
8048dcb: 8b 45 e8 mov -0x18(%ebp),%eax
8048dce: 83 ec 0c sub $0xc,%esp
8048dd1: 50 push %eax
8048dd2: e8 fc 08 00 00 call 80496d3 <free>
8048dd7: 83 c4 10 add $0x10,%esp
start_deserialize(retbuf,&state);
8048dda: 83 ec 08 sub $0x8,%esp
8048ddd: 8d 45 e8 lea -0x18(%ebp),%eax
8048de0: 50 push %eax
8048de1: ff 75 f4 pushl -0xc(%ebp)
8048de4: e8 5c 10 00 00 call 8049e45 <start_deserialize>
8048de9: 83 c4 10 add $0x10,%esp
int bytes_wrote=deserialize_int(&state);
8048dec: 83 ec 0c sub $0xc,%esp
8048def: 8d 45 e8 lea -0x18(%ebp),%eax
8048df2: 50 push %eax
8048df3: e8 65 10 00 00 call 8049e5d <deserialize_int>
8048df8: 83 c4 10 add $0x10,%esp
8048dfb: 89 45 f0 mov %eax,-0x10(%ebp)
rpc_deallocate_buf(retbuf,state.sizeorpos);
8048dfe: 8b 45 ec mov -0x14(%ebp),%eax
8048e01: 83 ec 08 sub $0x8,%esp
8048e04: 50 push %eax
8048e05: ff 75 f4 pushl -0xc(%ebp)
8048e08: e8 e9 0e 00 00 call 8049cf6 <rpc_deallocate_buf>
8048e0d: 83 c4 10 add $0x10,%esp
stream->pos+=bytes_wrote;
8048e10: 8b 45 14 mov 0x14(%ebp),%eax
8048e13: 8b 50 08 mov 0x8(%eax),%edx
8048e16: 8b 45 f0 mov -0x10(%ebp),%eax
8048e19: 01 c2 add %eax,%edx
8048e1b: 8b 45 14 mov 0x14(%ebp),%eax
8048e1e: 89 50 08 mov %edx,0x8(%eax)
return bytes_wrote;
8048e21: 8b 45 f0 mov -0x10(%ebp),%eax
}
8048e24: c9 leave
8048e25: c3 ret
08048e26 <register_fs>:
void register_fs(const char* name,pid_t pid) {
8048e26: 55 push %ebp
8048e27: 89 e5 mov %esp,%ebp
8048e29: 83 ec 18 sub $0x18,%esp
serdes_state state={0};
8048e2c: c7 45 f0 00 00 00 00 movl $0x0,-0x10(%ebp)
8048e33: c7 45 f4 00 00 00 00 movl $0x0,-0xc(%ebp)
serial_print("libc register fs 1\n");
8048e3a: 83 ec 0c sub $0xc,%esp
8048e3d: 68 44 a1 04 08 push $0x804a144
8048e42: e8 40 fa ff ff call 8048887 <serial_print>
8048e47: 83 c4 10 add $0x10,%esp
serialize_str((char*)name,&state);
8048e4a: 83 ec 0c sub $0xc,%esp
8048e4d: ff 75 08 pushl 0x8(%ebp)
8048e50: e8 e2 09 00 00 call 8049837 <strlen>
8048e55: 83 c4 10 add $0x10,%esp
8048e58: 40 inc %eax
8048e59: 89 c2 mov %eax,%edx
8048e5b: 83 ec 08 sub $0x8,%esp
8048e5e: 8d 45 f0 lea -0x10(%ebp),%eax
8048e61: 50 push %eax
8048e62: 52 push %edx
8048e63: e8 ee 0e 00 00 call 8049d56 <serialize_int>
8048e68: 83 c4 10 add $0x10,%esp
8048e6b: 83 ec 0c sub $0xc,%esp
8048e6e: ff 75 08 pushl 0x8(%ebp)
8048e71: e8 c1 09 00 00 call 8049837 <strlen>
8048e76: 83 c4 10 add $0x10,%esp
8048e79: 8d 50 01 lea 0x1(%eax),%edx
8048e7c: 83 ec 04 sub $0x4,%esp
8048e7f: 8d 45 f0 lea -0x10(%ebp),%eax
8048e82: 50 push %eax
8048e83: 52 push %edx
8048e84: ff 75 08 pushl 0x8(%ebp)
8048e87: e8 5e 0f 00 00 call 8049dea <serialize_ary>
8048e8c: 83 c4 10 add $0x10,%esp
serial_print("libc register fs 2\n");
8048e8f: 83 ec 0c sub $0xc,%esp
8048e92: 68 58 a1 04 08 push $0x804a158
8048e97: e8 eb f9 ff ff call 8048887 <serial_print>
8048e9c: 83 c4 10 add $0x10,%esp
serialize_int(pid,&state);
8048e9f: 83 ec 08 sub $0x8,%esp
8048ea2: 8d 45 f0 lea -0x10(%ebp),%eax
8048ea5: 50 push %eax
8048ea6: ff 75 0c pushl 0xc(%ebp)
8048ea9: e8 a8 0e 00 00 call 8049d56 <serialize_int>
8048eae: 83 c4 10 add $0x10,%esp
serial_print("libc register fs 3\n");
8048eb1: 83 ec 0c sub $0xc,%esp
8048eb4: 68 6c a1 04 08 push $0x804a16c
8048eb9: e8 c9 f9 ff ff call 8048887 <serial_print>
8048ebe: 83 c4 10 add $0x10,%esp
rpc_call(2,"register_fs",state.buf,state.sizeorpos);
8048ec1: 8b 55 f4 mov -0xc(%ebp),%edx
8048ec4: 8b 45 f0 mov -0x10(%ebp),%eax
8048ec7: 52 push %edx
8048ec8: 50 push %eax
8048ec9: 68 80 a1 04 08 push $0x804a180
8048ece: 6a 02 push $0x2
8048ed0: e8 da 0d 00 00 call 8049caf <rpc_call>
8048ed5: 83 c4 10 add $0x10,%esp
}
8048ed8: 90 nop
8048ed9: c9 leave
8048eda: c3 ret
08048edb <mount>:
int mount(char* file,char* type,char* path) {
8048edb: 55 push %ebp
8048edc: 89 e5 mov %esp,%ebp
8048ede: 83 ec 18 sub $0x18,%esp
serdes_state state={0};
8048ee1: c7 45 ec 00 00 00 00 movl $0x0,-0x14(%ebp)
8048ee8: c7 45 f0 00 00 00 00 movl $0x0,-0x10(%ebp)
serialize_str(type,&state);
8048eef: 83 ec 0c sub $0xc,%esp
8048ef2: ff 75 0c pushl 0xc(%ebp)
8048ef5: e8 3d 09 00 00 call 8049837 <strlen>
8048efa: 83 c4 10 add $0x10,%esp
8048efd: 40 inc %eax
8048efe: 89 c2 mov %eax,%edx
8048f00: 83 ec 08 sub $0x8,%esp
8048f03: 8d 45 ec lea -0x14(%ebp),%eax
8048f06: 50 push %eax
8048f07: 52 push %edx
8048f08: e8 49 0e 00 00 call 8049d56 <serialize_int>
8048f0d: 83 c4 10 add $0x10,%esp
8048f10: 83 ec 0c sub $0xc,%esp
8048f13: ff 75 0c pushl 0xc(%ebp)
8048f16: e8 1c 09 00 00 call 8049837 <strlen>
8048f1b: 83 c4 10 add $0x10,%esp
8048f1e: 8d 50 01 lea 0x1(%eax),%edx
8048f21: 83 ec 04 sub $0x4,%esp
8048f24: 8d 45 ec lea -0x14(%ebp),%eax
8048f27: 50 push %eax
8048f28: 52 push %edx
8048f29: ff 75 0c pushl 0xc(%ebp)
8048f2c: e8 b9 0e 00 00 call 8049dea <serialize_ary>
8048f31: 83 c4 10 add $0x10,%esp
serialize_str(file,&state);
8048f34: 83 ec 0c sub $0xc,%esp
8048f37: ff 75 08 pushl 0x8(%ebp)
8048f3a: e8 f8 08 00 00 call 8049837 <strlen>
8048f3f: 83 c4 10 add $0x10,%esp
8048f42: 40 inc %eax
8048f43: 89 c2 mov %eax,%edx
8048f45: 83 ec 08 sub $0x8,%esp
8048f48: 8d 45 ec lea -0x14(%ebp),%eax
8048f4b: 50 push %eax
8048f4c: 52 push %edx
8048f4d: e8 04 0e 00 00 call 8049d56 <serialize_int>
8048f52: 83 c4 10 add $0x10,%esp
8048f55: 83 ec 0c sub $0xc,%esp
8048f58: ff 75 08 pushl 0x8(%ebp)
8048f5b: e8 d7 08 00 00 call 8049837 <strlen>
8048f60: 83 c4 10 add $0x10,%esp
8048f63: 8d 50 01 lea 0x1(%eax),%edx
8048f66: 83 ec 04 sub $0x4,%esp
8048f69: 8d 45 ec lea -0x14(%ebp),%eax
8048f6c: 50 push %eax
8048f6d: 52 push %edx
8048f6e: ff 75 08 pushl 0x8(%ebp)
8048f71: e8 74 0e 00 00 call 8049dea <serialize_ary>
8048f76: 83 c4 10 add $0x10,%esp
serialize_str(path,&state);
8048f79: 83 ec 0c sub $0xc,%esp
8048f7c: ff 75 10 pushl 0x10(%ebp)
8048f7f: e8 b3 08 00 00 call 8049837 <strlen>
8048f84: 83 c4 10 add $0x10,%esp
8048f87: 40 inc %eax
8048f88: 89 c2 mov %eax,%edx
8048f8a: 83 ec 08 sub $0x8,%esp
8048f8d: 8d 45 ec lea -0x14(%ebp),%eax
8048f90: 50 push %eax
8048f91: 52 push %edx
8048f92: e8 bf 0d 00 00 call 8049d56 <serialize_int>
8048f97: 83 c4 10 add $0x10,%esp
8048f9a: 83 ec 0c sub $0xc,%esp
8048f9d: ff 75 10 pushl 0x10(%ebp)
8048fa0: e8 92 08 00 00 call 8049837 <strlen>
8048fa5: 83 c4 10 add $0x10,%esp
8048fa8: 8d 50 01 lea 0x1(%eax),%edx
8048fab: 83 ec 04 sub $0x4,%esp
8048fae: 8d 45 ec lea -0x14(%ebp),%eax
8048fb1: 50 push %eax
8048fb2: 52 push %edx
8048fb3: ff 75 10 pushl 0x10(%ebp)
8048fb6: e8 2f 0e 00 00 call 8049dea <serialize_ary>
8048fbb: 83 c4 10 add $0x10,%esp
int* err=rpc_call(2,"mount",state.buf,state.sizeorpos);
8048fbe: 8b 55 f0 mov -0x10(%ebp),%edx
8048fc1: 8b 45 ec mov -0x14(%ebp),%eax
8048fc4: 52 push %edx
8048fc5: 50 push %eax
8048fc6: 68 8c a1 04 08 push $0x804a18c
8048fcb: 6a 02 push $0x2
8048fcd: e8 dd 0c 00 00 call 8049caf <rpc_call>
8048fd2: 83 c4 10 add $0x10,%esp
8048fd5: 89 45 f4 mov %eax,-0xc(%ebp)
return *err;
8048fd8: 8b 45 f4 mov -0xc(%ebp),%eax
8048fdb: 8b 00 mov (%eax),%eax
}
8048fdd: c9 leave
8048fde: c3 ret
08048fdf <vfprintf>:
int vfprintf(FILE* stream,const char* format,va_list arg) {
8048fdf: 55 push %ebp
8048fe0: 89 e5 mov %esp,%ebp
8048fe2: 83 ec 38 sub $0x38,%esp
int c;
for(;*format!='\0';format++) {
8048fe5: e9 7d 01 00 00 jmp 8049167 <vfprintf+0x188>
if(*format!='%') {
8048fea: 8b 45 0c mov 0xc(%ebp),%eax
8048fed: 8a 00 mov (%eax),%al
8048fef: 3c 25 cmp $0x25,%al
8048ff1: 74 1f je 8049012 <vfprintf+0x33>
c=fputc(*format,stream);
8048ff3: 8b 45 0c mov 0xc(%ebp),%eax
8048ff6: 8a 00 mov (%eax),%al
8048ff8: 0f be c0 movsbl %al,%eax
8048ffb: 83 ec 08 sub $0x8,%esp
8048ffe: ff 75 08 pushl 0x8(%ebp)
8049001: 50 push %eax
8049002: e8 b3 fa ff ff call 8048aba <fputc>
8049007: 83 c4 10 add $0x10,%esp
804900a: 89 45 ec mov %eax,-0x14(%ebp)
continue;
804900d: e9 52 01 00 00 jmp 8049164 <vfprintf+0x185>
}
format++;
8049012: ff 45 0c incl 0xc(%ebp)
switch(*format) {
8049015: 8b 45 0c mov 0xc(%ebp),%eax
8049018: 8a 00 mov (%eax),%al
804901a: 0f be c0 movsbl %al,%eax
804901d: 83 f8 78 cmp $0x78,%eax
8049020: 0f 84 f1 00 00 00 je 8049117 <vfprintf+0x138>
8049026: 83 f8 78 cmp $0x78,%eax
8049029: 0f 8f 35 01 00 00 jg 8049164 <vfprintf+0x185>
804902f: 83 f8 73 cmp $0x73,%eax
8049032: 0f 84 b0 00 00 00 je 80490e8 <vfprintf+0x109>
8049038: 83 f8 73 cmp $0x73,%eax
804903b: 0f 8f 23 01 00 00 jg 8049164 <vfprintf+0x185>
8049041: 83 f8 63 cmp $0x63,%eax
8049044: 74 0a je 8049050 <vfprintf+0x71>
8049046: 83 f8 64 cmp $0x64,%eax
8049049: 74 3b je 8049086 <vfprintf+0xa7>
804904b: e9 14 01 00 00 jmp 8049164 <vfprintf+0x185>
case 'c': {
int i=va_arg(arg,int);
8049050: 8b 45 10 mov 0x10(%ebp),%eax
8049053: 8d 50 04 lea 0x4(%eax),%edx
8049056: 89 55 10 mov %edx,0x10(%ebp)
8049059: 8b 00 mov (%eax),%eax
804905b: 89 45 e4 mov %eax,-0x1c(%ebp)
c=fputc(i,stream);
804905e: 83 ec 08 sub $0x8,%esp
8049061: ff 75 08 pushl 0x8(%ebp)
8049064: ff 75 e4 pushl -0x1c(%ebp)
8049067: e8 4e fa ff ff call 8048aba <fputc>
804906c: 83 c4 10 add $0x10,%esp
804906f: 89 45 ec mov %eax,-0x14(%ebp)
if (c==EOF) {
8049072: 83 7d ec ff cmpl $0xffffffff,-0x14(%ebp)
8049076: 0f 85 e1 00 00 00 jne 804915d <vfprintf+0x17e>
return EOF;
804907c: b8 ff ff ff ff mov $0xffffffff,%eax
8049081: e9 f3 00 00 00 jmp 8049179 <vfprintf+0x19a>
}
break;
}
case 'd': {
int i=va_arg(arg,int); //Fetch Decimal/Integer argument
8049086: 8b 45 10 mov 0x10(%ebp),%eax
8049089: 8d 50 04 lea 0x4(%eax),%edx
804908c: 89 55 10 mov %edx,0x10(%ebp)
804908f: 8b 00 mov (%eax),%eax
8049091: 89 45 f4 mov %eax,-0xc(%ebp)
if(i<0) {
8049094: 83 7d f4 00 cmpl $0x0,-0xc(%ebp)
8049098: 79 13 jns 80490ad <vfprintf+0xce>
i=-i;
804909a: f7 5d f4 negl -0xc(%ebp)
fputc('-',stream);
804909d: 83 ec 08 sub $0x8,%esp
80490a0: ff 75 08 pushl 0x8(%ebp)
80490a3: 6a 2d push $0x2d
80490a5: e8 10 fa ff ff call 8048aba <fputc>
80490aa: 83 c4 10 add $0x10,%esp
}
char str[11];
int_to_ascii(i,str);
80490ad: 83 ec 08 sub $0x8,%esp
80490b0: 8d 45 d9 lea -0x27(%ebp),%eax
80490b3: 50 push %eax
80490b4: ff 75 f4 pushl -0xc(%ebp)
80490b7: e8 45 08 00 00 call 8049901 <int_to_ascii>
80490bc: 83 c4 10 add $0x10,%esp
c=fputs(str,stream);
80490bf: 83 ec 08 sub $0x8,%esp
80490c2: ff 75 08 pushl 0x8(%ebp)
80490c5: 8d 45 d9 lea -0x27(%ebp),%eax
80490c8: 50 push %eax
80490c9: e8 30 fc ff ff call 8048cfe <fputs>
80490ce: 83 c4 10 add $0x10,%esp
80490d1: 89 45 ec mov %eax,-0x14(%ebp)
if (c==EOF) {
80490d4: 83 7d ec ff cmpl $0xffffffff,-0x14(%ebp)
80490d8: 0f 85 82 00 00 00 jne 8049160 <vfprintf+0x181>
return EOF;
80490de: b8 ff ff ff ff mov $0xffffffff,%eax
80490e3: e9 91 00 00 00 jmp 8049179 <vfprintf+0x19a>
// int i=va_arg(arg,unsigned int); //Fetch Octal representation
// puts(convert(i,8));
// break;
// }
case 's': {
char* s=va_arg(arg,char*);
80490e8: 8b 45 10 mov 0x10(%ebp),%eax
80490eb: 8d 50 04 lea 0x4(%eax),%edx
80490ee: 89 55 10 mov %edx,0x10(%ebp)
80490f1: 8b 00 mov (%eax),%eax
80490f3: 89 45 e8 mov %eax,-0x18(%ebp)
c=fputs(s,stream);
80490f6: 83 ec 08 sub $0x8,%esp
80490f9: ff 75 08 pushl 0x8(%ebp)
80490fc: ff 75 e8 pushl -0x18(%ebp)
80490ff: e8 fa fb ff ff call 8048cfe <fputs>
8049104: 83 c4 10 add $0x10,%esp
8049107: 89 45 ec mov %eax,-0x14(%ebp)
if (c==EOF) {
804910a: 83 7d ec ff cmpl $0xffffffff,-0x14(%ebp)
804910e: 75 53 jne 8049163 <vfprintf+0x184>
return EOF;
8049110: b8 ff ff ff ff mov $0xffffffff,%eax
8049115: eb 62 jmp 8049179 <vfprintf+0x19a>
}
break;
}
case 'x': {
unsigned int i=va_arg(arg, unsigned int);
8049117: 8b 45 10 mov 0x10(%ebp),%eax
804911a: 8d 50 04 lea 0x4(%eax),%edx
804911d: 89 55 10 mov %edx,0x10(%ebp)
8049120: 8b 00 mov (%eax),%eax
8049122: 89 45 f0 mov %eax,-0x10(%ebp)
char str[11];
str[0]='\0';
8049125: c6 45 ce 00 movb $0x0,-0x32(%ebp)
hex_to_ascii(i,str);
8049129: 83 ec 08 sub $0x8,%esp
804912c: 8d 45 ce lea -0x32(%ebp),%eax
804912f: 50 push %eax
8049130: ff 75 f0 pushl -0x10(%ebp)
8049133: e8 5a 08 00 00 call 8049992 <hex_to_ascii>
8049138: 83 c4 10 add $0x10,%esp
c=fputs(str,stream);
804913b: 83 ec 08 sub $0x8,%esp
804913e: ff 75 08 pushl 0x8(%ebp)
8049141: 8d 45 ce lea -0x32(%ebp),%eax
8049144: 50 push %eax
8049145: e8 b4 fb ff ff call 8048cfe <fputs>
804914a: 83 c4 10 add $0x10,%esp
804914d: 89 45 ec mov %eax,-0x14(%ebp)
if (c==EOF) {
8049150: 83 7d ec ff cmpl $0xffffffff,-0x14(%ebp)
8049154: 75 0e jne 8049164 <vfprintf+0x185>
return EOF;
8049156: b8 ff ff ff ff mov $0xffffffff,%eax
804915b: eb 1c jmp 8049179 <vfprintf+0x19a>
break;
804915d: 90 nop
804915e: eb 04 jmp 8049164 <vfprintf+0x185>
break;
8049160: 90 nop
8049161: eb 01 jmp 8049164 <vfprintf+0x185>
break;
8049163: 90 nop
for(;*format!='\0';format++) {
8049164: ff 45 0c incl 0xc(%ebp)
8049167: 8b 45 0c mov 0xc(%ebp),%eax
804916a: 8a 00 mov (%eax),%al
804916c: 84 c0 test %al,%al
804916e: 0f 85 76 fe ff ff jne 8048fea <vfprintf+0xb>
}
break;
}
}
}
return 1;
8049174: b8 01 00 00 00 mov $0x1,%eax
}
8049179: c9 leave
804917a: c3 ret
0804917b <fprintf>:
int fprintf(FILE* stream,const char* format,...) {
804917b: 55 push %ebp
804917c: 89 e5 mov %esp,%ebp
804917e: 83 ec 18 sub $0x18,%esp
va_list arg;
int code;
va_start(arg,format);
8049181: 8d 45 10 lea 0x10(%ebp),%eax
8049184: 89 45 f0 mov %eax,-0x10(%ebp)
code=vfprintf(stream,format,arg);
8049187: 8b 45 f0 mov -0x10(%ebp),%eax
804918a: 83 ec 04 sub $0x4,%esp
804918d: 50 push %eax
804918e: ff 75 0c pushl 0xc(%ebp)
8049191: ff 75 08 pushl 0x8(%ebp)
8049194: e8 46 fe ff ff call 8048fdf <vfprintf>
8049199: 83 c4 10 add $0x10,%esp
804919c: 89 45 f4 mov %eax,-0xc(%ebp)
va_end(arg);
if (code) {
804919f: 83 7d f4 00 cmpl $0x0,-0xc(%ebp)
80491a3: 74 10 je 80491b5 <fprintf+0x3a>
return strlen(format);
80491a5: 83 ec 0c sub $0xc,%esp
80491a8: ff 75 0c pushl 0xc(%ebp)
80491ab: e8 87 06 00 00 call 8049837 <strlen>
80491b0: 83 c4 10 add $0x10,%esp
80491b3: eb 05 jmp 80491ba <fprintf+0x3f>
} else {
return EOF;
80491b5: b8 ff ff ff ff mov $0xffffffff,%eax
}
}
80491ba: c9 leave
80491bb: c3 ret
080491bc <printf>:
int printf(const char* format,...) {
80491bc: 55 push %ebp
80491bd: 89 e5 mov %esp,%ebp
80491bf: 83 ec 18 sub $0x18,%esp
va_list arg;
int code;
va_start(arg,format);
80491c2: 8d 45 0c lea 0xc(%ebp),%eax
80491c5: 89 45 f0 mov %eax,-0x10(%ebp)
code=vfprintf(stdout,format,arg);
80491c8: 8b 55 f0 mov -0x10(%ebp),%edx
80491cb: a1 44 b0 04 08 mov 0x804b044,%eax
80491d0: 83 ec 04 sub $0x4,%esp
80491d3: 52 push %edx
80491d4: ff 75 08 pushl 0x8(%ebp)
80491d7: 50 push %eax
80491d8: e8 02 fe ff ff call 8048fdf <vfprintf>
80491dd: 83 c4 10 add $0x10,%esp
80491e0: 89 45 f4 mov %eax,-0xc(%ebp)
va_end(arg);
if (code) {
80491e3: 83 7d f4 00 cmpl $0x0,-0xc(%ebp)
80491e7: 74 10 je 80491f9 <printf+0x3d>
return strlen(format);
80491e9: 83 ec 0c sub $0xc,%esp
80491ec: ff 75 08 pushl 0x8(%ebp)
80491ef: e8 43 06 00 00 call 8049837 <strlen>
80491f4: 83 c4 10 add $0x10,%esp
80491f7: eb 05 jmp 80491fe <printf+0x42>
} else {
return EOF;
80491f9: b8 ff ff ff ff mov $0xffffffff,%eax
}
}
80491fe: c9 leave
80491ff: c3 ret
08049200 <fseek>:
int fseek(FILE* stream,long offset,int origin) {
8049200: 55 push %ebp
8049201: 89 e5 mov %esp,%ebp
switch (origin) {
8049203: 83 7d 10 03 cmpl $0x3,0x10(%ebp)
8049207: 74 14 je 804921d <fseek+0x1d>
8049209: 83 7d 10 03 cmpl $0x3,0x10(%ebp)
804920d: 7f 2c jg 804923b <fseek+0x3b>
804920f: 83 7d 10 01 cmpl $0x1,0x10(%ebp)
8049213: 74 13 je 8049228 <fseek+0x28>
8049215: 83 7d 10 02 cmpl $0x2,0x10(%ebp)
8049219: 74 23 je 804923e <fseek+0x3e>
stream->pos+=offset;
break;
case SEEK_END:
break;
default:
break;
804921b: eb 1e jmp 804923b <fseek+0x3b>
stream->pos=offset;
804921d: 8b 45 08 mov 0x8(%ebp),%eax
8049220: 8b 55 0c mov 0xc(%ebp),%edx
8049223: 89 50 08 mov %edx,0x8(%eax)
break;
8049226: eb 17 jmp 804923f <fseek+0x3f>
stream->pos+=offset;
8049228: 8b 45 08 mov 0x8(%ebp),%eax
804922b: 8b 50 08 mov 0x8(%eax),%edx
804922e: 8b 45 0c mov 0xc(%ebp),%eax
8049231: 01 c2 add %eax,%edx
8049233: 8b 45 08 mov 0x8(%ebp),%eax
8049236: 89 50 08 mov %edx,0x8(%eax)
break;
8049239: eb 04 jmp 804923f <fseek+0x3f>
break;
804923b: 90 nop
804923c: eb 01 jmp 804923f <fseek+0x3f>
break;
804923e: 90 nop
}
return 0;
804923f: b8 00 00 00 00 mov $0x0,%eax
}
8049244: 5d pop %ebp
8049245: c3 ret
08049246 <get_bmap_bit>:
* Get a bit in a bitmap
* \param bmap The bitmap
* \param index The index in the bitmap
* \return the bit
*/
static char get_bmap_bit(char* bmap,size_t index) {
8049246: 55 push %ebp
8049247: 89 e5 mov %esp,%ebp
8049249: 53 push %ebx
804924a: 83 ec 10 sub $0x10,%esp
size_t byte=index/8;
804924d: 8b 45 0c mov 0xc(%ebp),%eax
8049250: c1 e8 03 shr $0x3,%eax
8049253: 89 45 f8 mov %eax,-0x8(%ebp)
size_t bit=index%8;
8049256: 8b 45 0c mov 0xc(%ebp),%eax
8049259: 83 e0 07 and $0x7,%eax
804925c: 89 45 f4 mov %eax,-0xc(%ebp)
char entry=bmap[byte];
804925f: 8b 55 08 mov 0x8(%ebp),%edx
8049262: 8b 45 f8 mov -0x8(%ebp),%eax
8049265: 01 d0 add %edx,%eax
8049267: 8a 00 mov (%eax),%al
8049269: 88 45 f3 mov %al,-0xd(%ebp)
return (entry&(1<<bit))>0;
804926c: 0f be 55 f3 movsbl -0xd(%ebp),%edx
8049270: 8b 45 f4 mov -0xc(%ebp),%eax
8049273: bb 01 00 00 00 mov $0x1,%ebx
8049278: 88 c1 mov %al,%cl
804927a: d3 e3 shl %cl,%ebx
804927c: 89 d8 mov %ebx,%eax
804927e: 21 d0 and %edx,%eax
8049280: 85 c0 test %eax,%eax
8049282: 0f 9f c0 setg %al
}
8049285: 83 c4 10 add $0x10,%esp
8049288: 5b pop %ebx
8049289: 5d pop %ebp
804928a: c3 ret
0804928b <set_bmap_bit>:
/**
* Set a bit in a bitmap
* \param bmap The bitmap
* \param index The index in the bitmap
*/
static void set_bmap_bit(char* bmap,size_t index) {
804928b: 55 push %ebp
804928c: 89 e5 mov %esp,%ebp
804928e: 53 push %ebx
804928f: 83 ec 10 sub $0x10,%esp
size_t byte=index/8;
8049292: 8b 45 0c mov 0xc(%ebp),%eax
8049295: c1 e8 03 shr $0x3,%eax
8049298: 89 45 f8 mov %eax,-0x8(%ebp)
size_t bit=index%8;
804929b: 8b 45 0c mov 0xc(%ebp),%eax
804929e: 83 e0 07 and $0x7,%eax
80492a1: 89 45 f4 mov %eax,-0xc(%ebp)
bmap[byte]=bmap[byte]|(1<<bit);
80492a4: 8b 55 08 mov 0x8(%ebp),%edx
80492a7: 8b 45 f8 mov -0x8(%ebp),%eax
80492aa: 01 d0 add %edx,%eax
80492ac: 8a 10 mov (%eax),%dl
80492ae: 8b 45 f4 mov -0xc(%ebp),%eax
80492b1: bb 01 00 00 00 mov $0x1,%ebx
80492b6: 88 c1 mov %al,%cl
80492b8: d3 e3 shl %cl,%ebx
80492ba: 89 d8 mov %ebx,%eax
80492bc: 88 c3 mov %al,%bl
80492be: 8b 4d 08 mov 0x8(%ebp),%ecx
80492c1: 8b 45 f8 mov -0x8(%ebp),%eax
80492c4: 01 c8 add %ecx,%eax
80492c6: 09 da or %ebx,%edx
80492c8: 88 10 mov %dl,(%eax)
}
80492ca: 90 nop
80492cb: 83 c4 10 add $0x10,%esp
80492ce: 5b pop %ebx
80492cf: 5d pop %ebp
80492d0: c3 ret
080492d1 <clear_bmap_bit>:
/**
* Clear a bit in a bitmap
* \param bmap The bitmap
* \param index The index in the bitmap
*/
static void clear_bmap_bit(char* bmap,size_t index) {
80492d1: 55 push %ebp
80492d2: 89 e5 mov %esp,%ebp
80492d4: 53 push %ebx
80492d5: 83 ec 10 sub $0x10,%esp
size_t byte=index/8;
80492d8: 8b 45 0c mov 0xc(%ebp),%eax
80492db: c1 e8 03 shr $0x3,%eax
80492de: 89 45 f8 mov %eax,-0x8(%ebp)
size_t bit=index%8;
80492e1: 8b 45 0c mov 0xc(%ebp),%eax
80492e4: 83 e0 07 and $0x7,%eax
80492e7: 89 45 f4 mov %eax,-0xc(%ebp)
bmap[byte]=bmap[byte]&(~(1<<bit));
80492ea: 8b 55 08 mov 0x8(%ebp),%edx
80492ed: 8b 45 f8 mov -0x8(%ebp),%eax
80492f0: 01 d0 add %edx,%eax
80492f2: 8a 10 mov (%eax),%dl
80492f4: 8b 45 f4 mov -0xc(%ebp),%eax
80492f7: bb 01 00 00 00 mov $0x1,%ebx
80492fc: 88 c1 mov %al,%cl
80492fe: d3 e3 shl %cl,%ebx
8049300: 89 d8 mov %ebx,%eax
8049302: f7 d0 not %eax
8049304: 88 c3 mov %al,%bl
8049306: 8b 4d 08 mov 0x8(%ebp),%ecx
8049309: 8b 45 f8 mov -0x8(%ebp),%eax
804930c: 01 c8 add %ecx,%eax
804930e: 21 da and %ebx,%edx
8049310: 88 10 mov %dl,(%eax)
}
8049312: 90 nop
8049313: 83 c4 10 add $0x10,%esp
8049316: 5b pop %ebx
8049317: 5d pop %ebp
8049318: c3 ret
08049319 <reserve_block>:
/**
* Add a block to the heap
* \param mem_blks The number of pages that this block will use
*/
static void reserve_block(size_t mem_blks) {
8049319: 55 push %ebp
804931a: 89 e5 mov %esp,%ebp
804931c: 53 push %ebx
804931d: 83 ec 24 sub $0x24,%esp
size_t bmap_byts=((mem_blks*BLK_SZ)/4)/8;
8049320: 8b 45 08 mov 0x8(%ebp),%eax
8049323: c1 e0 0c shl $0xc,%eax
8049326: c1 e8 05 shr $0x5,%eax
8049329: 89 45 f0 mov %eax,-0x10(%ebp)
entries[num_used_entries].bitmap=alloc_memory((size_t)ceilf((double)bmap_byts/BLK_SZ));
804932c: 8b 45 f0 mov -0x10(%ebp),%eax
804932f: ba 00 00 00 00 mov $0x0,%edx
8049334: 89 45 d8 mov %eax,-0x28(%ebp)
8049337: 89 55 dc mov %edx,-0x24(%ebp)
804933a: df 6d d8 fildll -0x28(%ebp)
804933d: dd 05 98 a1 04 08 fldl 0x804a198
8049343: de f9 fdivrp %st,%st(1)
8049345: d9 5d d8 fstps -0x28(%ebp)
8049348: 8b 45 d8 mov -0x28(%ebp),%eax
804934b: 83 ec 0c sub $0xc,%esp
804934e: 50 push %eax
804934f: e8 b2 0b 00 00 call 8049f06 <ceilf>
8049354: 83 c4 10 add $0x10,%esp
8049357: d9 7d e6 fnstcw -0x1a(%ebp)
804935a: 66 8b 45 e6 mov -0x1a(%ebp),%ax
804935e: 80 cc 0c or $0xc,%ah
8049361: 66 89 45 e4 mov %ax,-0x1c(%ebp)
8049365: d9 6d e4 fldcw -0x1c(%ebp)
8049368: df 7d d8 fistpll -0x28(%ebp)
804936b: d9 6d e6 fldcw -0x1a(%ebp)
804936e: 8b 45 d8 mov -0x28(%ebp),%eax
8049371: 8b 1d 60 d8 04 08 mov 0x804d860,%ebx
8049377: 83 ec 0c sub $0xc,%esp
804937a: 50 push %eax
804937b: e8 4b f5 ff ff call 80488cb <alloc_memory>
8049380: 83 c4 10 add $0x10,%esp
8049383: 89 c2 mov %eax,%edx
8049385: 89 d8 mov %ebx,%eax
8049387: c1 e0 02 shl $0x2,%eax
804938a: 01 d8 add %ebx,%eax
804938c: c1 e0 02 shl $0x2,%eax
804938f: 05 60 b0 04 08 add $0x804b060,%eax
8049394: 89 10 mov %edx,(%eax)
entries[num_used_entries].bitmap_byt_size=bmap_byts;
8049396: 8b 15 60 d8 04 08 mov 0x804d860,%edx
804939c: 89 d0 mov %edx,%eax
804939e: c1 e0 02 shl $0x2,%eax
80493a1: 01 d0 add %edx,%eax
80493a3: c1 e0 02 shl $0x2,%eax
80493a6: 8d 90 64 b0 04 08 lea 0x804b064(%eax),%edx
80493ac: 8b 45 f0 mov -0x10(%ebp),%eax
80493af: 89 02 mov %eax,(%edx)
entries[num_used_entries].bitmap_bit_size=bmap_byts*8;
80493b1: 8b 15 60 d8 04 08 mov 0x804d860,%edx
80493b7: 8b 45 f0 mov -0x10(%ebp),%eax
80493ba: 8d 0c c5 00 00 00 00 lea 0x0(,%eax,8),%ecx
80493c1: 89 d0 mov %edx,%eax
80493c3: c1 e0 02 shl $0x2,%eax
80493c6: 01 d0 add %edx,%eax
80493c8: c1 e0 02 shl $0x2,%eax
80493cb: 05 68 b0 04 08 add $0x804b068,%eax
80493d0: 89 08 mov %ecx,(%eax)
char* bmap=entries[num_used_entries].bitmap;
80493d2: 8b 15 60 d8 04 08 mov 0x804d860,%edx
80493d8: 89 d0 mov %edx,%eax
80493da: c1 e0 02 shl $0x2,%eax
80493dd: 01 d0 add %edx,%eax
80493df: c1 e0 02 shl $0x2,%eax
80493e2: 05 60 b0 04 08 add $0x804b060,%eax
80493e7: 8b 00 mov (%eax),%eax
80493e9: 89 45 ec mov %eax,-0x14(%ebp)
size_t bmap_byt_sz=entries[num_used_entries].bitmap_byt_size;
80493ec: 8b 15 60 d8 04 08 mov 0x804d860,%edx
80493f2: 89 d0 mov %edx,%eax
80493f4: c1 e0 02 shl $0x2,%eax
80493f7: 01 d0 add %edx,%eax
80493f9: c1 e0 02 shl $0x2,%eax
80493fc: 05 64 b0 04 08 add $0x804b064,%eax
8049401: 8b 00 mov (%eax),%eax
8049403: 89 45 e8 mov %eax,-0x18(%ebp)
for(size_t i=0;i<bmap_byt_sz;i++) {
8049406: c7 45 f4 00 00 00 00 movl $0x0,-0xc(%ebp)
804940d: eb 0e jmp 804941d <reserve_block+0x104>
bmap[i]=0;
804940f: 8b 55 ec mov -0x14(%ebp),%edx
8049412: 8b 45 f4 mov -0xc(%ebp),%eax
8049415: 01 d0 add %edx,%eax
8049417: c6 00 00 movb $0x0,(%eax)
for(size_t i=0;i<bmap_byt_sz;i++) {
804941a: ff 45 f4 incl -0xc(%ebp)
804941d: 8b 45 f4 mov -0xc(%ebp),%eax
8049420: 3b 45 e8 cmp -0x18(%ebp),%eax
8049423: 72 ea jb 804940f <reserve_block+0xf6>
}
entries[num_used_entries].avail_data_size=mem_blks*BLK_SZ;
8049425: 8b 15 60 d8 04 08 mov 0x804d860,%edx
804942b: 8b 45 08 mov 0x8(%ebp),%eax
804942e: c1 e0 0c shl $0xc,%eax
8049431: 89 c1 mov %eax,%ecx
8049433: 89 d0 mov %edx,%eax
8049435: c1 e0 02 shl $0x2,%eax
8049438: 01 d0 add %edx,%eax
804943a: c1 e0 02 shl $0x2,%eax
804943d: 05 6c b0 04 08 add $0x804b06c,%eax
8049442: 89 08 mov %ecx,(%eax)
entries[num_used_entries].data_block=alloc_memory(mem_blks);
8049444: 8b 45 08 mov 0x8(%ebp),%eax
8049447: 8b 1d 60 d8 04 08 mov 0x804d860,%ebx
804944d: 83 ec 0c sub $0xc,%esp
8049450: 50 push %eax
8049451: e8 75 f4 ff ff call 80488cb <alloc_memory>
8049456: 83 c4 10 add $0x10,%esp
8049459: 89 c2 mov %eax,%edx
804945b: 89 d8 mov %ebx,%eax
804945d: c1 e0 02 shl $0x2,%eax
8049460: 01 d8 add %ebx,%eax
8049462: c1 e0 02 shl $0x2,%eax
8049465: 05 70 b0 04 08 add $0x804b070,%eax
804946a: 89 10 mov %edx,(%eax)
num_used_entries++;
804946c: a1 60 d8 04 08 mov 0x804d860,%eax
8049471: 40 inc %eax
8049472: a3 60 d8 04 08 mov %eax,0x804d860
}
8049477: 90 nop
8049478: 8b 5d fc mov -0x4(%ebp),%ebx
804947b: c9 leave
804947c: c3 ret
0804947d <malloc>:
void* malloc(size_t size) {
804947d: 55 push %ebp
804947e: 89 e5 mov %esp,%ebp
8049480: 57 push %edi
8049481: 56 push %esi
8049482: 53 push %ebx
8049483: 83 ec 6c sub $0x6c,%esp
size_t num_4b_grps=(size_t)ceilf((float)size/4);
8049486: 8b 45 08 mov 0x8(%ebp),%eax
8049489: ba 00 00 00 00 mov $0x0,%edx
804948e: 89 45 88 mov %eax,-0x78(%ebp)
8049491: 89 55 8c mov %edx,-0x74(%ebp)
8049494: df 6d 88 fildll -0x78(%ebp)
8049497: d9 05 a0 a1 04 08 flds 0x804a1a0
804949d: de f9 fdivrp %st,%st(1)
804949f: 83 ec 0c sub $0xc,%esp
80494a2: 8d 64 24 fc lea -0x4(%esp),%esp
80494a6: d9 1c 24 fstps (%esp)
80494a9: e8 58 0a 00 00 call 8049f06 <ceilf>
80494ae: 83 c4 10 add $0x10,%esp
80494b1: d9 7d 96 fnstcw -0x6a(%ebp)
80494b4: 66 8b 45 96 mov -0x6a(%ebp),%ax
80494b8: 80 cc 0c or $0xc,%ah
80494bb: 66 89 45 94 mov %ax,-0x6c(%ebp)
80494bf: d9 6d 94 fldcw -0x6c(%ebp)
80494c2: df 7d 88 fistpll -0x78(%ebp)
80494c5: d9 6d 96 fldcw -0x6a(%ebp)
80494c8: 8b 45 88 mov -0x78(%ebp),%eax
80494cb: 89 45 c0 mov %eax,-0x40(%ebp)
num_4b_grps+=3;
80494ce: 83 45 c0 03 addl $0x3,-0x40(%ebp)
int blk_indx=-1;
80494d2: c7 45 e4 ff ff ff ff movl $0xffffffff,-0x1c(%ebp)
size_t bmap_index;
heap_block entry;
for (size_t i=0;i<num_used_entries;i++) {
80494d9: c7 45 dc 00 00 00 00 movl $0x0,-0x24(%ebp)
80494e0: e9 ec 00 00 00 jmp 80495d1 <malloc+0x154>
size_t remaining_blks;
entry=entries[i];
80494e5: 8b 55 dc mov -0x24(%ebp),%edx
80494e8: 89 d0 mov %edx,%eax
80494ea: c1 e0 02 shl $0x2,%eax
80494ed: 01 d0 add %edx,%eax
80494ef: c1 e0 02 shl $0x2,%eax
80494f2: 8d 90 60 b0 04 08 lea 0x804b060(%eax),%edx
80494f8: 8d 45 98 lea -0x68(%ebp),%eax
80494fb: 89 d3 mov %edx,%ebx
80494fd: ba 05 00 00 00 mov $0x5,%edx
8049502: 89 c7 mov %eax,%edi
8049504: 89 de mov %ebx,%esi
8049506: 89 d1 mov %edx,%ecx
8049508: f3 a5 rep movsl %ds:(%esi),%es:(%edi)
if (entry.avail_data_size>=size) {
804950a: 8b 45 a4 mov -0x5c(%ebp),%eax
804950d: 39 45 08 cmp %eax,0x8(%ebp)
8049510: 0f 87 aa 00 00 00 ja 80495c0 <malloc+0x143>
char* bmap=entry.bitmap;
8049516: 8b 45 98 mov -0x68(%ebp),%eax
8049519: 89 45 bc mov %eax,-0x44(%ebp)
size_t bmap_byt_sz=entry.bitmap_byt_size;
804951c: 8b 45 9c mov -0x64(%ebp),%eax
804951f: 89 45 b8 mov %eax,-0x48(%ebp)
for(size_t i=0;i<bmap_byt_sz;i++) {
8049522: c7 45 d4 00 00 00 00 movl $0x0,-0x2c(%ebp)
8049529: e9 83 00 00 00 jmp 80495b1 <malloc+0x134>
char got_0=0;
804952e: c6 45 d3 00 movb $0x0,-0x2d(%ebp)
remaining_blks=num_4b_grps;
8049532: 8b 45 c0 mov -0x40(%ebp),%eax
8049535: 89 45 d8 mov %eax,-0x28(%ebp)
size_t old_j;
for (size_t j=i*8;;j++) {
8049538: 8b 45 d4 mov -0x2c(%ebp),%eax
804953b: c1 e0 03 shl $0x3,%eax
804953e: 89 45 c8 mov %eax,-0x38(%ebp)
char bit=get_bmap_bit(bmap,j);
8049541: 83 ec 08 sub $0x8,%esp
8049544: ff 75 c8 pushl -0x38(%ebp)
8049547: ff 75 bc pushl -0x44(%ebp)
804954a: e8 f7 fc ff ff call 8049246 <get_bmap_bit>
804954f: 83 c4 10 add $0x10,%esp
8049552: 88 45 b7 mov %al,-0x49(%ebp)
if (got_0) {
8049555: 80 7d d3 00 cmpb $0x0,-0x2d(%ebp)
8049559: 74 27 je 8049582 <malloc+0x105>
if (bit) {
804955b: 80 7d b7 00 cmpb $0x0,-0x49(%ebp)
804955f: 74 1c je 804957d <malloc+0x100>
if (remaining_blks==0) {
8049561: 83 7d d8 00 cmpl $0x0,-0x28(%ebp)
8049565: 75 08 jne 804956f <malloc+0xf2>
bmap_index=old_j;
8049567: 8b 45 cc mov -0x34(%ebp),%eax
804956a: 89 45 e0 mov %eax,-0x20(%ebp)
break;
804956d: eb 39 jmp 80495a8 <malloc+0x12b>
} else {
i+=j/8;
804956f: 8b 45 c8 mov -0x38(%ebp),%eax
8049572: c1 e8 03 shr $0x3,%eax
8049575: 01 45 d4 add %eax,-0x2c(%ebp)
i--;
8049578: ff 4d d4 decl -0x2c(%ebp)
break;
804957b: eb 2b jmp 80495a8 <malloc+0x12b>
}
} else {
remaining_blks--;
804957d: ff 4d d8 decl -0x28(%ebp)
8049580: eb 13 jmp 8049595 <malloc+0x118>
}
} else {
if (!bit) {
8049582: 80 7d b7 00 cmpb $0x0,-0x49(%ebp)
8049586: 75 0d jne 8049595 <malloc+0x118>
got_0=1;
8049588: c6 45 d3 01 movb $0x1,-0x2d(%ebp)
old_j=j;
804958c: 8b 45 c8 mov -0x38(%ebp),%eax
804958f: 89 45 cc mov %eax,-0x34(%ebp)
remaining_blks--;
8049592: ff 4d d8 decl -0x28(%ebp)
}
}
if (remaining_blks==0) {
8049595: 83 7d d8 00 cmpl $0x0,-0x28(%ebp)
8049599: 75 08 jne 80495a3 <malloc+0x126>
bmap_index=old_j;
804959b: 8b 45 cc mov -0x34(%ebp),%eax
804959e: 89 45 e0 mov %eax,-0x20(%ebp)
break;
80495a1: eb 05 jmp 80495a8 <malloc+0x12b>
for (size_t j=i*8;;j++) {
80495a3: ff 45 c8 incl -0x38(%ebp)
80495a6: eb 99 jmp 8049541 <malloc+0xc4>
}
}
if (remaining_blks==0) {
80495a8: 83 7d d8 00 cmpl $0x0,-0x28(%ebp)
80495ac: 74 11 je 80495bf <malloc+0x142>
for(size_t i=0;i<bmap_byt_sz;i++) {
80495ae: ff 45 d4 incl -0x2c(%ebp)
80495b1: 8b 45 d4 mov -0x2c(%ebp),%eax
80495b4: 3b 45 b8 cmp -0x48(%ebp),%eax
80495b7: 0f 82 71 ff ff ff jb 804952e <malloc+0xb1>
80495bd: eb 01 jmp 80495c0 <malloc+0x143>
break;
80495bf: 90 nop
}
}
}
if (remaining_blks==0) {
80495c0: 83 7d d8 00 cmpl $0x0,-0x28(%ebp)
80495c4: 75 08 jne 80495ce <malloc+0x151>
blk_indx=i;
80495c6: 8b 45 dc mov -0x24(%ebp),%eax
80495c9: 89 45 e4 mov %eax,-0x1c(%ebp)
break;
80495cc: eb 11 jmp 80495df <malloc+0x162>
for (size_t i=0;i<num_used_entries;i++) {
80495ce: ff 45 dc incl -0x24(%ebp)
80495d1: a1 60 d8 04 08 mov 0x804d860,%eax
80495d6: 39 45 dc cmp %eax,-0x24(%ebp)
80495d9: 0f 82 06 ff ff ff jb 80494e5 <malloc+0x68>
}
}
if (blk_indx==-1) {
80495df: 83 7d e4 ff cmpl $0xffffffff,-0x1c(%ebp)
80495e3: 75 20 jne 8049605 <malloc+0x188>
// reserve_block((size_t)ceilf((double)size/BLK_SZ));
reserve_block(1024);
80495e5: 83 ec 0c sub $0xc,%esp
80495e8: 68 00 04 00 00 push $0x400
80495ed: e8 27 fd ff ff call 8049319 <reserve_block>
80495f2: 83 c4 10 add $0x10,%esp
return malloc(size);
80495f5: 83 ec 0c sub $0xc,%esp
80495f8: ff 75 08 pushl 0x8(%ebp)
80495fb: e8 7d fe ff ff call 804947d <malloc>
8049600: 83 c4 10 add $0x10,%esp
8049603: eb 78 jmp 804967d <malloc+0x200>
}
for (size_t i=0;i<num_4b_grps;i++) {
8049605: c7 45 c4 00 00 00 00 movl $0x0,-0x3c(%ebp)
804960c: eb 1b jmp 8049629 <malloc+0x1ac>
set_bmap_bit(entry.bitmap,bmap_index+i);
804960e: 8b 55 e0 mov -0x20(%ebp),%edx
8049611: 8b 45 c4 mov -0x3c(%ebp),%eax
8049614: 01 c2 add %eax,%edx
8049616: 8b 45 98 mov -0x68(%ebp),%eax
8049619: 83 ec 08 sub $0x8,%esp
804961c: 52 push %edx
804961d: 50 push %eax
804961e: e8 68 fc ff ff call 804928b <set_bmap_bit>
8049623: 83 c4 10 add $0x10,%esp
for (size_t i=0;i<num_4b_grps;i++) {
8049626: ff 45 c4 incl -0x3c(%ebp)
8049629: 8b 45 c4 mov -0x3c(%ebp),%eax
804962c: 3b 45 c0 cmp -0x40(%ebp),%eax
804962f: 72 dd jb 804960e <malloc+0x191>
}
size_t data_offset=(bmap_index*8)+12;
8049631: 8b 45 e0 mov -0x20(%ebp),%eax
8049634: c1 e0 03 shl $0x3,%eax
8049637: 83 c0 0c add $0xc,%eax
804963a: 89 45 b0 mov %eax,-0x50(%ebp)
size_t* info=(void*)(((char*)entry.data_block)+data_offset-12);
804963d: 8b 45 a8 mov -0x58(%ebp),%eax
8049640: 8b 55 b0 mov -0x50(%ebp),%edx
8049643: 83 ea 0c sub $0xc,%edx
8049646: 01 d0 add %edx,%eax
8049648: 89 45 ac mov %eax,-0x54(%ebp)
info[0]=num_4b_grps;
804964b: 8b 45 ac mov -0x54(%ebp),%eax
804964e: 8b 55 c0 mov -0x40(%ebp),%edx
8049651: 89 10 mov %edx,(%eax)
info[1]=bmap_index;
8049653: 8b 45 ac mov -0x54(%ebp),%eax
8049656: 8d 50 04 lea 0x4(%eax),%edx
8049659: 8b 45 e0 mov -0x20(%ebp),%eax
804965c: 89 02 mov %eax,(%edx)
info[2]=blk_indx;
804965e: 8b 45 ac mov -0x54(%ebp),%eax
8049661: 8d 50 08 lea 0x8(%eax),%edx
8049664: 8b 45 e4 mov -0x1c(%ebp),%eax
8049667: 89 02 mov %eax,(%edx)
entry.avail_data_size-=size+12;
8049669: 8b 45 a4 mov -0x5c(%ebp),%eax
804966c: 2b 45 08 sub 0x8(%ebp),%eax
804966f: 83 e8 0c sub $0xc,%eax
8049672: 89 45 a4 mov %eax,-0x5c(%ebp)
return (void*)(((char*)entry.data_block)+data_offset);
8049675: 8b 55 a8 mov -0x58(%ebp),%edx
8049678: 8b 45 b0 mov -0x50(%ebp),%eax
804967b: 01 d0 add %edx,%eax
}
804967d: 8d 65 f4 lea -0xc(%ebp),%esp
8049680: 5b pop %ebx
8049681: 5e pop %esi
8049682: 5f pop %edi
8049683: 5d pop %ebp
8049684: c3 ret
08049685 <realloc>:
void* realloc(void *mem, size_t new_sz) {
8049685: 55 push %ebp
8049686: 89 e5 mov %esp,%ebp
8049688: 83 ec 18 sub $0x18,%esp
void* ptr=malloc(new_sz);
804968b: 83 ec 0c sub $0xc,%esp
804968e: ff 75 0c pushl 0xc(%ebp)
8049691: e8 e7 fd ff ff call 804947d <malloc>
8049696: 83 c4 10 add $0x10,%esp
8049699: 89 45 f4 mov %eax,-0xc(%ebp)
if (mem==NULL) {
804969c: 83 7d 08 00 cmpl $0x0,0x8(%ebp)
80496a0: 75 05 jne 80496a7 <realloc+0x22>
return ptr;
80496a2: 8b 45 f4 mov -0xc(%ebp),%eax
80496a5: eb 2a jmp 80496d1 <realloc+0x4c>
}
size_t num_4b_grps=*((size_t*)((char*)mem-12));
80496a7: 8b 45 08 mov 0x8(%ebp),%eax
80496aa: 8b 40 f4 mov -0xc(%eax),%eax
80496ad: 89 45 f0 mov %eax,-0x10(%ebp)
memcpy(ptr,mem,num_4b_grps*4);
80496b0: 8b 45 f0 mov -0x10(%ebp),%eax
80496b3: c1 e0 02 shl $0x2,%eax
80496b6: 83 ec 04 sub $0x4,%esp
80496b9: 50 push %eax
80496ba: ff 75 08 pushl 0x8(%ebp)
80496bd: ff 75 f4 pushl -0xc(%ebp)
80496c0: e8 a2 00 00 00 call 8049767 <memcpy>
80496c5: 83 c4 10 add $0x10,%esp
//free(mem);
mem=ptr;
80496c8: 8b 45 f4 mov -0xc(%ebp),%eax
80496cb: 89 45 08 mov %eax,0x8(%ebp)
return ptr;
80496ce: 8b 45 f4 mov -0xc(%ebp),%eax
}
80496d1: c9 leave
80496d2: c3 ret
080496d3 <free>:
void free(void* mem) {
80496d3: 55 push %ebp
80496d4: 89 e5 mov %esp,%ebp
80496d6: 57 push %edi
80496d7: 56 push %esi
80496d8: 53 push %ebx
80496d9: 83 ec 30 sub $0x30,%esp
size_t* info=(size_t*)((char*)mem-12);
80496dc: 8b 45 08 mov 0x8(%ebp),%eax
80496df: 83 e8 0c sub $0xc,%eax
80496e2: 89 45 ec mov %eax,-0x14(%ebp)
size_t num_4b_grps=info[0];
80496e5: 8b 45 ec mov -0x14(%ebp),%eax
80496e8: 8b 00 mov (%eax),%eax
80496ea: 89 45 e8 mov %eax,-0x18(%ebp)
size_t bmap_index=info[1];
80496ed: 8b 45 ec mov -0x14(%ebp),%eax
80496f0: 8b 40 04 mov 0x4(%eax),%eax
80496f3: 89 45 e4 mov %eax,-0x1c(%ebp)
size_t blk_indx=info[2];
80496f6: 8b 45 ec mov -0x14(%ebp),%eax
80496f9: 8b 40 08 mov 0x8(%eax),%eax
80496fc: 89 45 e0 mov %eax,-0x20(%ebp)
heap_block entry=entries[blk_indx];
80496ff: 8b 55 e0 mov -0x20(%ebp),%edx
8049702: 89 d0 mov %edx,%eax
8049704: c1 e0 02 shl $0x2,%eax
8049707: 01 d0 add %edx,%eax
8049709: c1 e0 02 shl $0x2,%eax
804970c: 8d 90 60 b0 04 08 lea 0x804b060(%eax),%edx
8049712: 8d 45 cc lea -0x34(%ebp),%eax
8049715: 89 d3 mov %edx,%ebx
8049717: ba 05 00 00 00 mov $0x5,%edx
804971c: 89 c7 mov %eax,%edi
804971e: 89 de mov %ebx,%esi
8049720: 89 d1 mov %edx,%ecx
8049722: f3 a5 rep movsl %ds:(%esi),%es:(%edi)
for (size_t i=0;i<num_4b_grps;i++) {
8049724: c7 45 f0 00 00 00 00 movl $0x0,-0x10(%ebp)
804972b: eb 18 jmp 8049745 <free+0x72>
clear_bmap_bit(entry.bitmap,bmap_index+i);
804972d: 8b 55 e4 mov -0x1c(%ebp),%edx
8049730: 8b 45 f0 mov -0x10(%ebp),%eax
8049733: 01 c2 add %eax,%edx
8049735: 8b 45 cc mov -0x34(%ebp),%eax
8049738: 52 push %edx
8049739: 50 push %eax
804973a: e8 92 fb ff ff call 80492d1 <clear_bmap_bit>
804973f: 83 c4 08 add $0x8,%esp
for (size_t i=0;i<num_4b_grps;i++) {
8049742: ff 45 f0 incl -0x10(%ebp)
8049745: 8b 45 f0 mov -0x10(%ebp),%eax
8049748: 3b 45 e8 cmp -0x18(%ebp),%eax
804974b: 72 e0 jb 804972d <free+0x5a>
}
entry.avail_data_size+=(num_4b_grps*4)+12;
804974d: 8b 45 d8 mov -0x28(%ebp),%eax
8049750: 8b 55 e8 mov -0x18(%ebp),%edx
8049753: 83 c2 03 add $0x3,%edx
8049756: c1 e2 02 shl $0x2,%edx
8049759: 01 d0 add %edx,%eax
804975b: 89 45 d8 mov %eax,-0x28(%ebp)
}
804975e: 90 nop
804975f: 8d 65 f4 lea -0xc(%ebp),%esp
8049762: 5b pop %ebx
8049763: 5e pop %esi
8049764: 5f pop %edi
8049765: 5d pop %ebp
8049766: c3 ret
08049767 <memcpy>:
#include <stddef.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
void* memcpy(void* dest_ptr,const void* source_ptr,size_t len) {
8049767: 55 push %ebp
8049768: 89 e5 mov %esp,%ebp
804976a: 83 ec 10 sub $0x10,%esp
char* source=(char*)source_ptr;
804976d: 8b 45 0c mov 0xc(%ebp),%eax
8049770: 89 45 f8 mov %eax,-0x8(%ebp)
char* dest=(char*)dest_ptr;
8049773: 8b 45 08 mov 0x8(%ebp),%eax
8049776: 89 45 f4 mov %eax,-0xc(%ebp)
for(size_t i=0;i<len;i++) {
8049779: c7 45 fc 00 00 00 00 movl $0x0,-0x4(%ebp)
8049780: eb 17 jmp 8049799 <memcpy+0x32>
dest[i]=source[i];
8049782: 8b 55 f8 mov -0x8(%ebp),%edx
8049785: 8b 45 fc mov -0x4(%ebp),%eax
8049788: 01 d0 add %edx,%eax
804978a: 8b 4d f4 mov -0xc(%ebp),%ecx
804978d: 8b 55 fc mov -0x4(%ebp),%edx
8049790: 01 ca add %ecx,%edx
8049792: 8a 00 mov (%eax),%al
8049794: 88 02 mov %al,(%edx)
for(size_t i=0;i<len;i++) {
8049796: ff 45 fc incl -0x4(%ebp)
8049799: 8b 45 fc mov -0x4(%ebp),%eax
804979c: 3b 45 10 cmp 0x10(%ebp),%eax
804979f: 72 e1 jb 8049782 <memcpy+0x1b>
}
return dest_ptr;
80497a1: 8b 45 08 mov 0x8(%ebp),%eax
}
80497a4: c9 leave
80497a5: c3 ret
080497a6 <memset>:
void* memset(void *dest_ptr,int val,size_t len) {
80497a6: 55 push %ebp
80497a7: 89 e5 mov %esp,%ebp
80497a9: 83 ec 10 sub $0x10,%esp
char* dest=(char*)dest_ptr;
80497ac: 8b 45 08 mov 0x8(%ebp),%eax
80497af: 89 45 f8 mov %eax,-0x8(%ebp)
for (size_t i=0;i<len;i++){
80497b2: c7 45 fc 00 00 00 00 movl $0x0,-0x4(%ebp)
80497b9: eb 10 jmp 80497cb <memset+0x25>
dest[i]=(char)val;
80497bb: 8b 55 f8 mov -0x8(%ebp),%edx
80497be: 8b 45 fc mov -0x4(%ebp),%eax
80497c1: 01 d0 add %edx,%eax
80497c3: 8b 55 0c mov 0xc(%ebp),%edx
80497c6: 88 10 mov %dl,(%eax)
for (size_t i=0;i<len;i++){
80497c8: ff 45 fc incl -0x4(%ebp)
80497cb: 8b 45 fc mov -0x4(%ebp),%eax
80497ce: 3b 45 10 cmp 0x10(%ebp),%eax
80497d1: 72 e8 jb 80497bb <memset+0x15>
}
return dest_ptr;
80497d3: 8b 45 08 mov 0x8(%ebp),%eax
}
80497d6: c9 leave
80497d7: c3 ret
080497d8 <strcmp>:
int strcmp(const char* s1,const char* s2) {
80497d8: 55 push %ebp
80497d9: 89 e5 mov %esp,%ebp
80497db: 83 ec 10 sub $0x10,%esp
int i;
for (i = 0; s1[i] == s2[i]; i++) {
80497de: c7 45 fc 00 00 00 00 movl $0x0,-0x4(%ebp)
80497e5: eb 18 jmp 80497ff <strcmp+0x27>
if (s1[i] == '\0') return 0;
80497e7: 8b 55 fc mov -0x4(%ebp),%edx
80497ea: 8b 45 08 mov 0x8(%ebp),%eax
80497ed: 01 d0 add %edx,%eax
80497ef: 8a 00 mov (%eax),%al
80497f1: 84 c0 test %al,%al
80497f3: 75 07 jne 80497fc <strcmp+0x24>
80497f5: b8 00 00 00 00 mov $0x0,%eax
80497fa: eb 39 jmp 8049835 <strcmp+0x5d>
for (i = 0; s1[i] == s2[i]; i++) {
80497fc: ff 45 fc incl -0x4(%ebp)
80497ff: 8b 55 fc mov -0x4(%ebp),%edx
8049802: 8b 45 08 mov 0x8(%ebp),%eax
8049805: 01 d0 add %edx,%eax
8049807: 8a 10 mov (%eax),%dl
8049809: 8b 4d fc mov -0x4(%ebp),%ecx
804980c: 8b 45 0c mov 0xc(%ebp),%eax
804980f: 01 c8 add %ecx,%eax
8049811: 8a 00 mov (%eax),%al
8049813: 38 c2 cmp %al,%dl
8049815: 74 d0 je 80497e7 <strcmp+0xf>
}
return s1[i] - s2[i];
8049817: 8b 55 fc mov -0x4(%ebp),%edx
804981a: 8b 45 08 mov 0x8(%ebp),%eax
804981d: 01 d0 add %edx,%eax
804981f: 8a 00 mov (%eax),%al
8049821: 0f be d0 movsbl %al,%edx
8049824: 8b 4d fc mov -0x4(%ebp),%ecx
8049827: 8b 45 0c mov 0xc(%ebp),%eax
804982a: 01 c8 add %ecx,%eax
804982c: 8a 00 mov (%eax),%al
804982e: 0f be c0 movsbl %al,%eax
8049831: 29 c2 sub %eax,%edx
8049833: 89 d0 mov %edx,%eax
}
8049835: c9 leave
8049836: c3 ret
08049837 <strlen>:
size_t strlen(const char* str) {
8049837: 55 push %ebp
8049838: 89 e5 mov %esp,%ebp
804983a: 83 ec 10 sub $0x10,%esp
size_t i;
for (i=0;str[i]!='\0';i++);
804983d: c7 45 fc 00 00 00 00 movl $0x0,-0x4(%ebp)
8049844: eb 03 jmp 8049849 <strlen+0x12>
8049846: ff 45 fc incl -0x4(%ebp)
8049849: 8b 55 08 mov 0x8(%ebp),%edx
804984c: 8b 45 fc mov -0x4(%ebp),%eax
804984f: 01 d0 add %edx,%eax
8049851: 8a 00 mov (%eax),%al
8049853: 84 c0 test %al,%al
8049855: 75 ef jne 8049846 <strlen+0xf>
return i;
8049857: 8b 45 fc mov -0x4(%ebp),%eax
}
804985a: c9 leave
804985b: c3 ret
0804985c <strcpy>:
char* strcpy(char* dest,const char* src) {
804985c: 55 push %ebp
804985d: 89 e5 mov %esp,%ebp
804985f: 83 ec 10 sub $0x10,%esp
size_t i;
for (i=0;i<strlen(src);i++) {
8049862: c7 45 fc 00 00 00 00 movl $0x0,-0x4(%ebp)
8049869: eb 17 jmp 8049882 <strcpy+0x26>
dest[i]=src[i];
804986b: 8b 55 0c mov 0xc(%ebp),%edx
804986e: 8b 45 fc mov -0x4(%ebp),%eax
8049871: 01 d0 add %edx,%eax
8049873: 8b 4d 08 mov 0x8(%ebp),%ecx
8049876: 8b 55 fc mov -0x4(%ebp),%edx
8049879: 01 ca add %ecx,%edx
804987b: 8a 00 mov (%eax),%al
804987d: 88 02 mov %al,(%edx)
for (i=0;i<strlen(src);i++) {
804987f: ff 45 fc incl -0x4(%ebp)
8049882: ff 75 0c pushl 0xc(%ebp)
8049885: e8 ad ff ff ff call 8049837 <strlen>
804988a: 83 c4 04 add $0x4,%esp
804988d: 39 45 fc cmp %eax,-0x4(%ebp)
8049890: 72 d9 jb 804986b <strcpy+0xf>
}
dest[i]='\0';
8049892: 8b 55 08 mov 0x8(%ebp),%edx
8049895: 8b 45 fc mov -0x4(%ebp),%eax
8049898: 01 d0 add %edx,%eax
804989a: c6 00 00 movb $0x0,(%eax)
return dest;
804989d: 8b 45 08 mov 0x8(%ebp),%eax
}
80498a0: c9 leave
80498a1: c3 ret
080498a2 <strrev>:
char* strrev(char* str) {
80498a2: 55 push %ebp
80498a3: 89 e5 mov %esp,%ebp
80498a5: 83 ec 10 sub $0x10,%esp
char chr;
int i,j;
for (i=0,j=strlen(str)-1;i<j;i++,j--) {
80498a8: c7 45 fc 00 00 00 00 movl $0x0,-0x4(%ebp)
80498af: ff 75 08 pushl 0x8(%ebp)
80498b2: e8 80 ff ff ff call 8049837 <strlen>
80498b7: 83 c4 04 add $0x4,%esp
80498ba: 48 dec %eax
80498bb: 89 45 f8 mov %eax,-0x8(%ebp)
80498be: eb 34 jmp 80498f4 <strrev+0x52>
chr=str[i];
80498c0: 8b 55 fc mov -0x4(%ebp),%edx
80498c3: 8b 45 08 mov 0x8(%ebp),%eax
80498c6: 01 d0 add %edx,%eax
80498c8: 8a 00 mov (%eax),%al
80498ca: 88 45 f7 mov %al,-0x9(%ebp)
str[i]=str[j];
80498cd: 8b 55 f8 mov -0x8(%ebp),%edx
80498d0: 8b 45 08 mov 0x8(%ebp),%eax
80498d3: 01 d0 add %edx,%eax
80498d5: 8b 4d fc mov -0x4(%ebp),%ecx
80498d8: 8b 55 08 mov 0x8(%ebp),%edx
80498db: 01 ca add %ecx,%edx
80498dd: 8a 00 mov (%eax),%al
80498df: 88 02 mov %al,(%edx)
str[j]=chr;
80498e1: 8b 55 f8 mov -0x8(%ebp),%edx
80498e4: 8b 45 08 mov 0x8(%ebp),%eax
80498e7: 01 c2 add %eax,%edx
80498e9: 8a 45 f7 mov -0x9(%ebp),%al
80498ec: 88 02 mov %al,(%edx)
for (i=0,j=strlen(str)-1;i<j;i++,j--) {
80498ee: ff 45 fc incl -0x4(%ebp)
80498f1: ff 4d f8 decl -0x8(%ebp)
80498f4: 8b 45 fc mov -0x4(%ebp),%eax
80498f7: 3b 45 f8 cmp -0x8(%ebp),%eax
80498fa: 7c c4 jl 80498c0 <strrev+0x1e>
}
return str;
80498fc: 8b 45 08 mov 0x8(%ebp),%eax
}
80498ff: c9 leave
8049900: c3 ret
08049901 <int_to_ascii>:
void int_to_ascii(int n,char* str) {
8049901: 55 push %ebp
8049902: 89 e5 mov %esp,%ebp
8049904: 83 ec 10 sub $0x10,%esp
int i;
int sign;
if ((sign = n)<0) {
8049907: 8b 45 08 mov 0x8(%ebp),%eax
804990a: 89 45 f8 mov %eax,-0x8(%ebp)
804990d: 83 7d f8 00 cmpl $0x0,-0x8(%ebp)
8049911: 79 03 jns 8049916 <int_to_ascii+0x15>
n=-n;
8049913: f7 5d 08 negl 0x8(%ebp)
}
i=0;
8049916: c7 45 fc 00 00 00 00 movl $0x0,-0x4(%ebp)
do {
str[i++]=n%10+'0';
804991d: 8b 45 08 mov 0x8(%ebp),%eax
8049920: b9 0a 00 00 00 mov $0xa,%ecx
8049925: 99 cltd
8049926: f7 f9 idiv %ecx
8049928: 89 d0 mov %edx,%eax
804992a: 8d 48 30 lea 0x30(%eax),%ecx
804992d: 8b 45 fc mov -0x4(%ebp),%eax
8049930: 8d 50 01 lea 0x1(%eax),%edx
8049933: 89 55 fc mov %edx,-0x4(%ebp)
8049936: 89 c2 mov %eax,%edx
8049938: 8b 45 0c mov 0xc(%ebp),%eax
804993b: 01 d0 add %edx,%eax
804993d: 88 ca mov %cl,%dl
804993f: 88 10 mov %dl,(%eax)
} while ((n /= 10) > 0);
8049941: 8b 4d 08 mov 0x8(%ebp),%ecx
8049944: b8 67 66 66 66 mov $0x66666667,%eax
8049949: f7 e9 imul %ecx
804994b: c1 fa 02 sar $0x2,%edx
804994e: 89 c8 mov %ecx,%eax
8049950: c1 f8 1f sar $0x1f,%eax
8049953: 29 c2 sub %eax,%edx
8049955: 89 d0 mov %edx,%eax
8049957: 89 45 08 mov %eax,0x8(%ebp)
804995a: 83 7d 08 00 cmpl $0x0,0x8(%ebp)
804995e: 7f bd jg 804991d <int_to_ascii+0x1c>
if (sign < 0) {
8049960: 83 7d f8 00 cmpl $0x0,-0x8(%ebp)
8049964: 79 13 jns 8049979 <int_to_ascii+0x78>
str[i++] = '-';
8049966: 8b 45 fc mov -0x4(%ebp),%eax
8049969: 8d 50 01 lea 0x1(%eax),%edx
804996c: 89 55 fc mov %edx,-0x4(%ebp)
804996f: 89 c2 mov %eax,%edx
8049971: 8b 45 0c mov 0xc(%ebp),%eax
8049974: 01 d0 add %edx,%eax
8049976: c6 00 2d movb $0x2d,(%eax)
}
str[i]='\0';
8049979: 8b 55 fc mov -0x4(%ebp),%edx
804997c: 8b 45 0c mov 0xc(%ebp),%eax
804997f: 01 d0 add %edx,%eax
8049981: c6 00 00 movb $0x0,(%eax)
strrev(str);
8049984: ff 75 0c pushl 0xc(%ebp)
8049987: e8 16 ff ff ff call 80498a2 <strrev>
804998c: 83 c4 04 add $0x4,%esp
}
804998f: 90 nop
8049990: c9 leave
8049991: c3 ret
08049992 <hex_to_ascii>:
void hex_to_ascii(unsigned int n, char* str) {
8049992: 55 push %ebp
8049993: 89 e5 mov %esp,%ebp
8049995: 83 ec 18 sub $0x18,%esp
str[0]='\0';
8049998: 8b 45 0c mov 0xc(%ebp),%eax
804999b: c6 00 00 movb $0x0,(%eax)
append(str, '0');
804999e: 83 ec 08 sub $0x8,%esp
80499a1: 6a 30 push $0x30
80499a3: ff 75 0c pushl 0xc(%ebp)
80499a6: e8 cb 00 00 00 call 8049a76 <append>
80499ab: 83 c4 10 add $0x10,%esp
append(str, 'x');
80499ae: 83 ec 08 sub $0x8,%esp
80499b1: 6a 78 push $0x78
80499b3: ff 75 0c pushl 0xc(%ebp)
80499b6: e8 bb 00 00 00 call 8049a76 <append>
80499bb: 83 c4 10 add $0x10,%esp
char zeros = 0;
80499be: c6 45 f7 00 movb $0x0,-0x9(%ebp)
unsigned int tmp;
int i;
for (i = 28; i > 0; i -= 4) {
80499c2: c7 45 f0 1c 00 00 00 movl $0x1c,-0x10(%ebp)
80499c9: eb 61 jmp 8049a2c <hex_to_ascii+0x9a>
tmp = (n >> i) & 0xF;
80499cb: 8b 45 f0 mov -0x10(%ebp),%eax
80499ce: 8b 55 08 mov 0x8(%ebp),%edx
80499d1: 88 c1 mov %al,%cl
80499d3: d3 ea shr %cl,%edx
80499d5: 89 d0 mov %edx,%eax
80499d7: 83 e0 0f and $0xf,%eax
80499da: 89 45 ec mov %eax,-0x14(%ebp)
if (tmp == 0 && zeros == 0) continue;
80499dd: 83 7d ec 00 cmpl $0x0,-0x14(%ebp)
80499e1: 75 06 jne 80499e9 <hex_to_ascii+0x57>
80499e3: 80 7d f7 00 cmpb $0x0,-0x9(%ebp)
80499e7: 74 3e je 8049a27 <hex_to_ascii+0x95>
zeros = 1;
80499e9: c6 45 f7 01 movb $0x1,-0x9(%ebp)
if (tmp >= 0xA) append(str, tmp - 0xA + 'a');
80499ed: 83 7d ec 09 cmpl $0x9,-0x14(%ebp)
80499f1: 76 1a jbe 8049a0d <hex_to_ascii+0x7b>
80499f3: 8b 45 ec mov -0x14(%ebp),%eax
80499f6: 83 c0 57 add $0x57,%eax
80499f9: 0f be c0 movsbl %al,%eax
80499fc: 83 ec 08 sub $0x8,%esp
80499ff: 50 push %eax
8049a00: ff 75 0c pushl 0xc(%ebp)
8049a03: e8 6e 00 00 00 call 8049a76 <append>
8049a08: 83 c4 10 add $0x10,%esp
8049a0b: eb 1b jmp 8049a28 <hex_to_ascii+0x96>
else append(str, tmp + '0');
8049a0d: 8b 45 ec mov -0x14(%ebp),%eax
8049a10: 83 c0 30 add $0x30,%eax
8049a13: 0f be c0 movsbl %al,%eax
8049a16: 83 ec 08 sub $0x8,%esp
8049a19: 50 push %eax
8049a1a: ff 75 0c pushl 0xc(%ebp)
8049a1d: e8 54 00 00 00 call 8049a76 <append>
8049a22: 83 c4 10 add $0x10,%esp
8049a25: eb 01 jmp 8049a28 <hex_to_ascii+0x96>
if (tmp == 0 && zeros == 0) continue;
8049a27: 90 nop
for (i = 28; i > 0; i -= 4) {
8049a28: 83 6d f0 04 subl $0x4,-0x10(%ebp)
8049a2c: 83 7d f0 00 cmpl $0x0,-0x10(%ebp)
8049a30: 7f 99 jg 80499cb <hex_to_ascii+0x39>
}
tmp = n & 0xF;
8049a32: 8b 45 08 mov 0x8(%ebp),%eax
8049a35: 83 e0 0f and $0xf,%eax
8049a38: 89 45 ec mov %eax,-0x14(%ebp)
if (tmp >= 0xA) append(str, tmp - 0xA + 'a');
8049a3b: 83 7d ec 09 cmpl $0x9,-0x14(%ebp)
8049a3f: 76 1a jbe 8049a5b <hex_to_ascii+0xc9>
8049a41: 8b 45 ec mov -0x14(%ebp),%eax
8049a44: 83 c0 57 add $0x57,%eax
8049a47: 0f be c0 movsbl %al,%eax
8049a4a: 83 ec 08 sub $0x8,%esp
8049a4d: 50 push %eax
8049a4e: ff 75 0c pushl 0xc(%ebp)
8049a51: e8 20 00 00 00 call 8049a76 <append>
8049a56: 83 c4 10 add $0x10,%esp
else append(str, tmp + '0');
}
8049a59: eb 18 jmp 8049a73 <hex_to_ascii+0xe1>
else append(str, tmp + '0');
8049a5b: 8b 45 ec mov -0x14(%ebp),%eax
8049a5e: 83 c0 30 add $0x30,%eax
8049a61: 0f be c0 movsbl %al,%eax
8049a64: 83 ec 08 sub $0x8,%esp
8049a67: 50 push %eax
8049a68: ff 75 0c pushl 0xc(%ebp)
8049a6b: e8 06 00 00 00 call 8049a76 <append>
8049a70: 83 c4 10 add $0x10,%esp
}
8049a73: 90 nop
8049a74: c9 leave
8049a75: c3 ret
08049a76 <append>:
void append(char* s, char n) {
8049a76: 55 push %ebp
8049a77: 89 e5 mov %esp,%ebp
8049a79: 83 ec 14 sub $0x14,%esp
8049a7c: 8b 45 0c mov 0xc(%ebp),%eax
8049a7f: 88 45 ec mov %al,-0x14(%ebp)
int len = strlen(s);
8049a82: ff 75 08 pushl 0x8(%ebp)
8049a85: e8 ad fd ff ff call 8049837 <strlen>
8049a8a: 83 c4 04 add $0x4,%esp
8049a8d: 89 45 fc mov %eax,-0x4(%ebp)
s[len] = n;
8049a90: 8b 55 fc mov -0x4(%ebp),%edx
8049a93: 8b 45 08 mov 0x8(%ebp),%eax
8049a96: 01 c2 add %eax,%edx
8049a98: 8a 45 ec mov -0x14(%ebp),%al
8049a9b: 88 02 mov %al,(%edx)
s[len+1] = '\0';
8049a9d: 8b 45 fc mov -0x4(%ebp),%eax
8049aa0: 8d 50 01 lea 0x1(%eax),%edx
8049aa3: 8b 45 08 mov 0x8(%ebp),%eax
8049aa6: 01 d0 add %edx,%eax
8049aa8: c6 00 00 movb $0x0,(%eax)
}
8049aab: 90 nop
8049aac: c9 leave
8049aad: c3 ret
08049aae <backspace>:
void backspace(char* s) {
8049aae: 55 push %ebp
8049aaf: 89 e5 mov %esp,%ebp
8049ab1: 83 ec 10 sub $0x10,%esp
int len = strlen(s);
8049ab4: ff 75 08 pushl 0x8(%ebp)
8049ab7: e8 7b fd ff ff call 8049837 <strlen>
8049abc: 83 c4 04 add $0x4,%esp
8049abf: 89 45 fc mov %eax,-0x4(%ebp)
s[len-1] = '\0';
8049ac2: 8b 45 fc mov -0x4(%ebp),%eax
8049ac5: 8d 50 ff lea -0x1(%eax),%edx
8049ac8: 8b 45 08 mov 0x8(%ebp),%eax
8049acb: 01 d0 add %edx,%eax
8049acd: c6 00 00 movb $0x0,(%eax)
}
8049ad0: 90 nop
8049ad1: c9 leave
8049ad2: c3 ret
08049ad3 <strtok_delim_check>:
static const char* strtok_str=NULL;
static size_t strtok_index;
static char strtok_delim_check(const char* delim) {
8049ad3: 55 push %ebp
8049ad4: 89 e5 mov %esp,%ebp
8049ad6: 83 ec 10 sub $0x10,%esp
for (size_t i=0;i<strlen(delim);i++) {
8049ad9: c7 45 fc 00 00 00 00 movl $0x0,-0x4(%ebp)
8049ae0: eb 37 jmp 8049b19 <strtok_delim_check+0x46>
if (strtok_str[strtok_index]==delim[i]||strtok_str[strtok_index]=='\0') {
8049ae2: 8b 15 64 d8 04 08 mov 0x804d864,%edx
8049ae8: a1 68 d8 04 08 mov 0x804d868,%eax
8049aed: 01 d0 add %edx,%eax
8049aef: 8a 10 mov (%eax),%dl
8049af1: 8b 4d 08 mov 0x8(%ebp),%ecx
8049af4: 8b 45 fc mov -0x4(%ebp),%eax
8049af7: 01 c8 add %ecx,%eax
8049af9: 8a 00 mov (%eax),%al
8049afb: 38 c2 cmp %al,%dl
8049afd: 74 13 je 8049b12 <strtok_delim_check+0x3f>
8049aff: 8b 15 64 d8 04 08 mov 0x804d864,%edx
8049b05: a1 68 d8 04 08 mov 0x804d868,%eax
8049b0a: 01 d0 add %edx,%eax
8049b0c: 8a 00 mov (%eax),%al
8049b0e: 84 c0 test %al,%al
8049b10: 75 04 jne 8049b16 <strtok_delim_check+0x43>
return 0;
8049b12: b0 00 mov $0x0,%al
8049b14: eb 15 jmp 8049b2b <strtok_delim_check+0x58>
for (size_t i=0;i<strlen(delim);i++) {
8049b16: ff 45 fc incl -0x4(%ebp)
8049b19: ff 75 08 pushl 0x8(%ebp)
8049b1c: e8 16 fd ff ff call 8049837 <strlen>
8049b21: 83 c4 04 add $0x4,%esp
8049b24: 39 45 fc cmp %eax,-0x4(%ebp)
8049b27: 72 b9 jb 8049ae2 <strtok_delim_check+0xf>
}
}
return 1;
8049b29: b0 01 mov $0x1,%al
}
8049b2b: c9 leave
8049b2c: c3 ret
08049b2d <strtok>:
char* strtok(const char* str, const char* delim) {
8049b2d: 55 push %ebp
8049b2e: 89 e5 mov %esp,%ebp
8049b30: 83 ec 18 sub $0x18,%esp
if (str!=NULL) {
8049b33: 83 7d 08 00 cmpl $0x0,0x8(%ebp)
8049b37: 74 12 je 8049b4b <strtok+0x1e>
strtok_str=str;
8049b39: 8b 45 08 mov 0x8(%ebp),%eax
8049b3c: a3 64 d8 04 08 mov %eax,0x804d864
strtok_index=0;
8049b41: c7 05 68 d8 04 08 00 movl $0x0,0x804d868
8049b48: 00 00 00
}
if (!strtok_str || strtok_index>strlen(strtok_str)) {
8049b4b: a1 64 d8 04 08 mov 0x804d864,%eax
8049b50: 85 c0 test %eax,%eax
8049b52: 74 18 je 8049b6c <strtok+0x3f>
8049b54: a1 64 d8 04 08 mov 0x804d864,%eax
8049b59: 50 push %eax
8049b5a: e8 d8 fc ff ff call 8049837 <strlen>
8049b5f: 83 c4 04 add $0x4,%esp
8049b62: 8b 15 68 d8 04 08 mov 0x804d868,%edx
8049b68: 39 d0 cmp %edx,%eax
8049b6a: 73 0a jae 8049b76 <strtok+0x49>
return NULL;
8049b6c: b8 00 00 00 00 mov $0x0,%eax
8049b71: e9 9b 00 00 00 jmp 8049c11 <strtok+0xe4>
}
char* tok=malloc(sizeof(char)*32);
8049b76: 83 ec 0c sub $0xc,%esp
8049b79: 6a 20 push $0x20
8049b7b: e8 fd f8 ff ff call 804947d <malloc>
8049b80: 83 c4 10 add $0x10,%esp
8049b83: 89 45 f4 mov %eax,-0xc(%ebp)
tok[0]='\0';
8049b86: 8b 45 f4 mov -0xc(%ebp),%eax
8049b89: c6 00 00 movb $0x0,(%eax)
size_t max_len=32;
8049b8c: c7 45 f0 20 00 00 00 movl $0x20,-0x10(%ebp)
for (;strtok_delim_check(delim);strtok_index++) {
8049b93: eb 5c jmp 8049bf1 <strtok+0xc4>
if (strlen(tok)+1==max_len) {
8049b95: 83 ec 0c sub $0xc,%esp
8049b98: ff 75 f4 pushl -0xc(%ebp)
8049b9b: e8 97 fc ff ff call 8049837 <strlen>
8049ba0: 83 c4 10 add $0x10,%esp
8049ba3: 40 inc %eax
8049ba4: 39 45 f0 cmp %eax,-0x10(%ebp)
8049ba7: 75 1c jne 8049bc5 <strtok+0x98>
tok=realloc(tok,sizeof(char)*(max_len+32));
8049ba9: 8b 45 f0 mov -0x10(%ebp),%eax
8049bac: 83 c0 20 add $0x20,%eax
8049baf: 83 ec 08 sub $0x8,%esp
8049bb2: 50 push %eax
8049bb3: ff 75 f4 pushl -0xc(%ebp)
8049bb6: e8 ca fa ff ff call 8049685 <realloc>
8049bbb: 83 c4 10 add $0x10,%esp
8049bbe: 89 45 f4 mov %eax,-0xc(%ebp)
max_len+=32;
8049bc1: 83 45 f0 20 addl $0x20,-0x10(%ebp)
}
append(tok,strtok_str[strtok_index]);
8049bc5: 8b 15 64 d8 04 08 mov 0x804d864,%edx
8049bcb: a1 68 d8 04 08 mov 0x804d868,%eax
8049bd0: 01 d0 add %edx,%eax
8049bd2: 8a 00 mov (%eax),%al
8049bd4: 0f be c0 movsbl %al,%eax
8049bd7: 83 ec 08 sub $0x8,%esp
8049bda: 50 push %eax
8049bdb: ff 75 f4 pushl -0xc(%ebp)
8049bde: e8 93 fe ff ff call 8049a76 <append>
8049be3: 83 c4 10 add $0x10,%esp
for (;strtok_delim_check(delim);strtok_index++) {
8049be6: a1 68 d8 04 08 mov 0x804d868,%eax
8049beb: 40 inc %eax
8049bec: a3 68 d8 04 08 mov %eax,0x804d868
8049bf1: 83 ec 0c sub $0xc,%esp
8049bf4: ff 75 0c pushl 0xc(%ebp)
8049bf7: e8 d7 fe ff ff call 8049ad3 <strtok_delim_check>
8049bfc: 83 c4 10 add $0x10,%esp
8049bff: 84 c0 test %al,%al
8049c01: 75 92 jne 8049b95 <strtok+0x68>
}
strtok_index++;
8049c03: a1 68 d8 04 08 mov 0x804d868,%eax
8049c08: 40 inc %eax
8049c09: a3 68 d8 04 08 mov %eax,0x804d868
return tok;
8049c0e: 8b 45 f4 mov -0xc(%ebp),%eax
}
8049c11: c9 leave
8049c12: c3 ret
08049c13 <yield>:
#include <tasking.h>
#define QUAUX(X) #X
#define QU(X) QUAUX(X)
void yield() {
8049c13: 55 push %ebp
8049c14: 89 e5 mov %esp,%ebp
8049c16: 53 push %ebx
asm volatile(" \
8049c17: b8 00 00 00 00 mov $0x0,%eax
8049c1c: 89 c3 mov %eax,%ebx
8049c1e: b8 01 00 00 00 mov $0x1,%eax
8049c23: cd 50 int $0x50
mov $" QU(SYSCALL_YIELD) ", %%eax; \
int $80; \
"::"b"(0));
}
8049c25: 90 nop
8049c26: 5b pop %ebx
8049c27: 5d pop %ebp
8049c28: c3 ret
08049c29 <create_proc>:
void create_proc(void* start,void* address_space,void* param1,void* param2) {
8049c29: 55 push %ebp
8049c2a: 89 e5 mov %esp,%ebp
8049c2c: 56 push %esi
8049c2d: 53 push %ebx
asm volatile(" \
8049c2e: 8b 45 08 mov 0x8(%ebp),%eax
8049c31: 8b 4d 0c mov 0xc(%ebp),%ecx
8049c34: 8b 55 10 mov 0x10(%ebp),%edx
8049c37: 8b 75 14 mov 0x14(%ebp),%esi
8049c3a: 89 c3 mov %eax,%ebx
8049c3c: b8 00 00 00 00 mov $0x0,%eax
8049c41: cd 50 int $0x50
mov $" QU(SYSCALL_CREATEPROC) ", %%eax; \
int $80; \
"::"b"(start),"c"(address_space),"d"(param1),"S"(param2));
}
8049c43: 90 nop
8049c44: 5b pop %ebx
8049c45: 5e pop %esi
8049c46: 5d pop %ebp
8049c47: c3 ret
08049c48 <exit>:
__attribute__((noreturn)) void exit(int code) {
8049c48: 55 push %ebp
8049c49: 89 e5 mov %esp,%ebp
8049c4b: 53 push %ebx
code=code&0xff;
8049c4c: 81 65 08 ff 00 00 00 andl $0xff,0x8(%ebp)
asm volatile(" \
8049c53: 8b 45 08 mov 0x8(%ebp),%eax
8049c56: 89 c3 mov %eax,%ebx
8049c58: b8 04 00 00 00 mov $0x4,%eax
8049c5d: cd 50 int $0x50
mov $" QU(SYSCALL_EXIT) ", %%eax; \
int $80; \
"::"b"(code));
for(;;);
8049c5f: eb fe jmp 8049c5f <exit+0x17>
08049c61 <block_thread>:
}
void block_thread(thread_state state) {
8049c61: 55 push %ebp
8049c62: 89 e5 mov %esp,%ebp
8049c64: 53 push %ebx
asm volatile(" \
8049c65: 8b 45 08 mov 0x8(%ebp),%eax
8049c68: 89 c3 mov %eax,%ebx
8049c6a: b8 02 00 00 00 mov $0x2,%eax
8049c6f: cd 50 int $0x50
mov $" QU(SYSCALL_BLOCK) ", %%eax; \
int $80; \
"::"b"(state));
}
8049c71: 90 nop
8049c72: 5b pop %ebx
8049c73: 5d pop %ebp
8049c74: c3 ret
08049c75 <unblock_thread>:
void unblock_thread(pid_t pid,pid_t tid) {
8049c75: 55 push %ebp
8049c76: 89 e5 mov %esp,%ebp
8049c78: 53 push %ebx
asm volatile(" \
8049c79: 8b 45 08 mov 0x8(%ebp),%eax
8049c7c: 8b 55 0c mov 0xc(%ebp),%edx
8049c7f: 89 c3 mov %eax,%ebx
8049c81: 89 d1 mov %edx,%ecx
8049c83: b8 03 00 00 00 mov $0x3,%eax
8049c88: cd 50 int $0x50
mov $" QU(SYSCALL_UNBLOCK) ", %%eax; \
int $80; \
"::"b"(pid),"c"(tid));
}
8049c8a: 90 nop
8049c8b: 5b pop %ebx
8049c8c: 5d pop %ebp
8049c8d: c3 ret
08049c8e <check_proc_exists>:
char check_proc_exists(pid_t pid) {
8049c8e: 55 push %ebp
8049c8f: 89 e5 mov %esp,%ebp
8049c91: 53 push %ebx
8049c92: 83 ec 10 sub $0x10,%esp
char exists;
asm volatile(" \
8049c95: 8b 45 08 mov 0x8(%ebp),%eax
8049c98: 89 c3 mov %eax,%ebx
8049c9a: b8 14 00 00 00 mov $0x14,%eax
8049c9f: cd 50 int $0x50
8049ca1: 88 c8 mov %cl,%al
8049ca3: 88 45 fb mov %al,-0x5(%ebp)
mov $" QU(SYSCALL_CHECK_PROC_EXISTS) ", %%eax; \
int $80; \
":"=c"(exists):"b"(pid));
return exists;
8049ca6: 8a 45 fb mov -0x5(%ebp),%al
}
8049ca9: 83 c4 10 add $0x10,%esp
8049cac: 5b pop %ebx
8049cad: 5d pop %ebp
8049cae: c3 ret
08049caf <rpc_call>:
#define QUAUX(X) #X
#define QU(X) QUAUX(X)
void* rpc_call(pid_t pid,char* name,void* buf,size_t size) {
8049caf: 55 push %ebp
8049cb0: 89 e5 mov %esp,%ebp
8049cb2: 57 push %edi
8049cb3: 56 push %esi
8049cb4: 53 push %ebx
8049cb5: 83 ec 10 sub $0x10,%esp
void* retbuf;
asm volatile(" \
8049cb8: 8b 45 08 mov 0x8(%ebp),%eax
8049cbb: 8b 4d 0c mov 0xc(%ebp),%ecx
8049cbe: 8b 55 10 mov 0x10(%ebp),%edx
8049cc1: 8b 75 14 mov 0x14(%ebp),%esi
8049cc4: 89 c3 mov %eax,%ebx
8049cc6: b8 0f 00 00 00 mov $0xf,%eax
8049ccb: cd 50 int $0x50
8049ccd: 89 f8 mov %edi,%eax
8049ccf: 89 45 f0 mov %eax,-0x10(%ebp)
mov $" QU(SYSCALL_CALL_RPC) ", %%eax; \
int $80; \
":"=D"(retbuf):"b"(pid),"c"(name),"d"(buf),"S"(size));
return retbuf;
8049cd2: 8b 45 f0 mov -0x10(%ebp),%eax
}
8049cd5: 83 c4 10 add $0x10,%esp
8049cd8: 5b pop %ebx
8049cd9: 5e pop %esi
8049cda: 5f pop %edi
8049cdb: 5d pop %ebp
8049cdc: c3 ret
08049cdd <rpc_register_func>:
void rpc_register_func(char* name,rpc_func code) {
8049cdd: 55 push %ebp
8049cde: 89 e5 mov %esp,%ebp
8049ce0: 53 push %ebx
asm volatile(" \
8049ce1: 8b 45 08 mov 0x8(%ebp),%eax
8049ce4: 8b 55 0c mov 0xc(%ebp),%edx
8049ce7: 89 c3 mov %eax,%ebx
8049ce9: 89 d1 mov %edx,%ecx
8049ceb: b8 10 00 00 00 mov $0x10,%eax
8049cf0: cd 50 int $0x50
mov $" QU(SYSCALL_REGISTER_RPC) ", %%eax; \
int $80; \
"::"b"(name),"c"(code));
}
8049cf2: 90 nop
8049cf3: 5b pop %ebx
8049cf4: 5d pop %ebp
8049cf5: c3 ret
08049cf6 <rpc_deallocate_buf>:
void rpc_deallocate_buf(void* buf,size_t size) {
8049cf6: 55 push %ebp
8049cf7: 89 e5 mov %esp,%ebp
8049cf9: 53 push %ebx
asm volatile(" \
8049cfa: 8b 45 08 mov 0x8(%ebp),%eax
8049cfd: 8b 55 0c mov 0xc(%ebp),%edx
8049d00: 89 c3 mov %eax,%ebx
8049d02: 89 d1 mov %edx,%ecx
8049d04: b8 11 00 00 00 mov $0x11,%eax
8049d09: cd 50 int $0x50
mov $" QU(SYSCALL_DEALLOCTATE_RPC_RET) ", %%eax; \
int $80; \
"::"b"(buf),"c"(size));
}
8049d0b: 90 nop
8049d0c: 5b pop %ebx
8049d0d: 5d pop %ebp
8049d0e: c3 ret
08049d0f <rpc_return>:
void rpc_return(void* buf,size_t size) {
8049d0f: 55 push %ebp
8049d10: 89 e5 mov %esp,%ebp
8049d12: 53 push %ebx
asm volatile(" \
8049d13: 8b 45 08 mov 0x8(%ebp),%eax
8049d16: 8b 55 0c mov 0xc(%ebp),%edx
8049d19: 89 c3 mov %eax,%ebx
8049d1b: 89 d1 mov %edx,%ecx
8049d1d: b8 12 00 00 00 mov $0x12,%eax
8049d22: cd 50 int $0x50
mov $" QU(SYSCALL_RPC_RET) ", %%eax; \
int $80; \
"::"b"(buf),"c"(size));
}
8049d24: 90 nop
8049d25: 5b pop %ebx
8049d26: 5d pop %ebp
8049d27: c3 ret
08049d28 <rpc_mark_as_init>:
void rpc_mark_as_init() {
8049d28: 55 push %ebp
8049d29: 89 e5 mov %esp,%ebp
asm volatile(" \
8049d2b: b8 15 00 00 00 mov $0x15,%eax
8049d30: cd 50 int $0x50
mov $" QU(SYSCALL_RPC_MARK_AS_INIT) ", %%eax; \
int $80; \
"::);
}
8049d32: 90 nop
8049d33: 5d pop %ebp
8049d34: c3 ret
08049d35 <rpc_is_init>:
char rpc_is_init(pid_t pid) {
8049d35: 55 push %ebp
8049d36: 89 e5 mov %esp,%ebp
8049d38: 53 push %ebx
8049d39: 83 ec 10 sub $0x10,%esp
char is_init;
asm volatile(" \
8049d3c: 8b 45 08 mov 0x8(%ebp),%eax
8049d3f: 89 c3 mov %eax,%ebx
8049d41: b8 16 00 00 00 mov $0x16,%eax
8049d46: cd 50 int $0x50
8049d48: 88 c8 mov %cl,%al
8049d4a: 88 45 fb mov %al,-0x5(%ebp)
mov $" QU(SYSCALL_RPC_IS_INIT) ", %%eax; \
int $80; \
":"=c"(is_init):"b"(pid));
return is_init;
8049d4d: 8a 45 fb mov -0x5(%ebp),%al
}
8049d50: 83 c4 10 add $0x10,%esp
8049d53: 5b pop %ebx
8049d54: 5d pop %ebp
8049d55: c3 ret
08049d56 <serialize_int>:
#include <serdes.h>
#include <stdlib.h>
#include <string.h>
void serialize_int(int num,serdes_state* state) {
8049d56: 55 push %ebp
8049d57: 89 e5 mov %esp,%ebp
8049d59: 83 ec 08 sub $0x8,%esp
state->buf=realloc(state->buf,state->sizeorpos+sizeof(int));
8049d5c: 8b 45 0c mov 0xc(%ebp),%eax
8049d5f: 8b 40 04 mov 0x4(%eax),%eax
8049d62: 8d 50 04 lea 0x4(%eax),%edx
8049d65: 8b 45 0c mov 0xc(%ebp),%eax
8049d68: 8b 00 mov (%eax),%eax
8049d6a: 83 ec 08 sub $0x8,%esp
8049d6d: 52 push %edx
8049d6e: 50 push %eax
8049d6f: e8 11 f9 ff ff call 8049685 <realloc>
8049d74: 83 c4 10 add $0x10,%esp
8049d77: 8b 55 0c mov 0xc(%ebp),%edx
8049d7a: 89 02 mov %eax,(%edx)
*((int*)(state->buf+state->sizeorpos))=num;
8049d7c: 8b 45 0c mov 0xc(%ebp),%eax
8049d7f: 8b 10 mov (%eax),%edx
8049d81: 8b 45 0c mov 0xc(%ebp),%eax
8049d84: 8b 40 04 mov 0x4(%eax),%eax
8049d87: 01 c2 add %eax,%edx
8049d89: 8b 45 08 mov 0x8(%ebp),%eax
8049d8c: 89 02 mov %eax,(%edx)
state->sizeorpos+=sizeof(int);
8049d8e: 8b 45 0c mov 0xc(%ebp),%eax
8049d91: 8b 40 04 mov 0x4(%eax),%eax
8049d94: 8d 50 04 lea 0x4(%eax),%edx
8049d97: 8b 45 0c mov 0xc(%ebp),%eax
8049d9a: 89 50 04 mov %edx,0x4(%eax)
}
8049d9d: 90 nop
8049d9e: c9 leave
8049d9f: c3 ret
08049da0 <serialize_ptr>:
void serialize_ptr(void* ptr,serdes_state* state) {
8049da0: 55 push %ebp
8049da1: 89 e5 mov %esp,%ebp
8049da3: 83 ec 08 sub $0x8,%esp
state->buf=realloc(state->buf,state->sizeorpos+sizeof(void*));
8049da6: 8b 45 0c mov 0xc(%ebp),%eax
8049da9: 8b 40 04 mov 0x4(%eax),%eax
8049dac: 8d 50 04 lea 0x4(%eax),%edx
8049daf: 8b 45 0c mov 0xc(%ebp),%eax
8049db2: 8b 00 mov (%eax),%eax
8049db4: 83 ec 08 sub $0x8,%esp
8049db7: 52 push %edx
8049db8: 50 push %eax
8049db9: e8 c7 f8 ff ff call 8049685 <realloc>
8049dbe: 83 c4 10 add $0x10,%esp
8049dc1: 8b 55 0c mov 0xc(%ebp),%edx
8049dc4: 89 02 mov %eax,(%edx)
*((void**)(state->buf+state->sizeorpos))=ptr;
8049dc6: 8b 45 0c mov 0xc(%ebp),%eax
8049dc9: 8b 10 mov (%eax),%edx
8049dcb: 8b 45 0c mov 0xc(%ebp),%eax
8049dce: 8b 40 04 mov 0x4(%eax),%eax
8049dd1: 01 c2 add %eax,%edx
8049dd3: 8b 45 08 mov 0x8(%ebp),%eax
8049dd6: 89 02 mov %eax,(%edx)
state->sizeorpos+=sizeof(void*);
8049dd8: 8b 45 0c mov 0xc(%ebp),%eax
8049ddb: 8b 40 04 mov 0x4(%eax),%eax
8049dde: 8d 50 04 lea 0x4(%eax),%edx
8049de1: 8b 45 0c mov 0xc(%ebp),%eax
8049de4: 89 50 04 mov %edx,0x4(%eax)
}
8049de7: 90 nop
8049de8: c9 leave
8049de9: c3 ret
08049dea <serialize_ary>:
void serialize_ary(void* ary,size_t len,serdes_state* state) {
8049dea: 55 push %ebp
8049deb: 89 e5 mov %esp,%ebp
8049ded: 83 ec 08 sub $0x8,%esp
state->buf=realloc(state->buf,state->sizeorpos+len);
8049df0: 8b 45 10 mov 0x10(%ebp),%eax
8049df3: 8b 50 04 mov 0x4(%eax),%edx
8049df6: 8b 45 0c mov 0xc(%ebp),%eax
8049df9: 01 c2 add %eax,%edx
8049dfb: 8b 45 10 mov 0x10(%ebp),%eax
8049dfe: 8b 00 mov (%eax),%eax
8049e00: 83 ec 08 sub $0x8,%esp
8049e03: 52 push %edx
8049e04: 50 push %eax
8049e05: e8 7b f8 ff ff call 8049685 <realloc>
8049e0a: 83 c4 10 add $0x10,%esp
8049e0d: 8b 55 10 mov 0x10(%ebp),%edx
8049e10: 89 02 mov %eax,(%edx)
memcpy(state->buf+state->sizeorpos,ary,len);
8049e12: 8b 45 10 mov 0x10(%ebp),%eax
8049e15: 8b 10 mov (%eax),%edx
8049e17: 8b 45 10 mov 0x10(%ebp),%eax
8049e1a: 8b 40 04 mov 0x4(%eax),%eax
8049e1d: 01 d0 add %edx,%eax
8049e1f: 83 ec 04 sub $0x4,%esp
8049e22: ff 75 0c pushl 0xc(%ebp)
8049e25: ff 75 08 pushl 0x8(%ebp)
8049e28: 50 push %eax
8049e29: e8 39 f9 ff ff call 8049767 <memcpy>
8049e2e: 83 c4 10 add $0x10,%esp
state->sizeorpos+=len;
8049e31: 8b 45 10 mov 0x10(%ebp),%eax
8049e34: 8b 50 04 mov 0x4(%eax),%edx
8049e37: 8b 45 0c mov 0xc(%ebp),%eax
8049e3a: 01 c2 add %eax,%edx
8049e3c: 8b 45 10 mov 0x10(%ebp),%eax
8049e3f: 89 50 04 mov %edx,0x4(%eax)
}
8049e42: 90 nop
8049e43: c9 leave
8049e44: c3 ret
08049e45 <start_deserialize>:
void start_deserialize(char* buf,serdes_state* state) {
8049e45: 55 push %ebp
8049e46: 89 e5 mov %esp,%ebp
state->buf=buf;
8049e48: 8b 45 0c mov 0xc(%ebp),%eax
8049e4b: 8b 55 08 mov 0x8(%ebp),%edx
8049e4e: 89 10 mov %edx,(%eax)
state->sizeorpos=0;
8049e50: 8b 45 0c mov 0xc(%ebp),%eax
8049e53: c7 40 04 00 00 00 00 movl $0x0,0x4(%eax)
}
8049e5a: 90 nop
8049e5b: 5d pop %ebp
8049e5c: c3 ret
08049e5d <deserialize_int>:
int deserialize_int(serdes_state* state) {
8049e5d: 55 push %ebp
8049e5e: 89 e5 mov %esp,%ebp
8049e60: 83 ec 10 sub $0x10,%esp
int num=*((int*)(state->buf+state->sizeorpos));
8049e63: 8b 45 08 mov 0x8(%ebp),%eax
8049e66: 8b 10 mov (%eax),%edx
8049e68: 8b 45 08 mov 0x8(%ebp),%eax
8049e6b: 8b 40 04 mov 0x4(%eax),%eax
8049e6e: 01 d0 add %edx,%eax
8049e70: 8b 00 mov (%eax),%eax
8049e72: 89 45 fc mov %eax,-0x4(%ebp)
state->sizeorpos+=sizeof(int);
8049e75: 8b 45 08 mov 0x8(%ebp),%eax
8049e78: 8b 40 04 mov 0x4(%eax),%eax
8049e7b: 8d 50 04 lea 0x4(%eax),%edx
8049e7e: 8b 45 08 mov 0x8(%ebp),%eax
8049e81: 89 50 04 mov %edx,0x4(%eax)
return num;
8049e84: 8b 45 fc mov -0x4(%ebp),%eax
}
8049e87: c9 leave
8049e88: c3 ret
08049e89 <deserialize_ptr>:
void* deserialize_ptr(serdes_state* state) {
8049e89: 55 push %ebp
8049e8a: 89 e5 mov %esp,%ebp
8049e8c: 83 ec 10 sub $0x10,%esp
void* ptr=*((void**)(state->buf+state->sizeorpos));
8049e8f: 8b 45 08 mov 0x8(%ebp),%eax
8049e92: 8b 10 mov (%eax),%edx
8049e94: 8b 45 08 mov 0x8(%ebp),%eax
8049e97: 8b 40 04 mov 0x4(%eax),%eax
8049e9a: 01 d0 add %edx,%eax
8049e9c: 8b 00 mov (%eax),%eax
8049e9e: 89 45 fc mov %eax,-0x4(%ebp)
state->sizeorpos+=sizeof(void*);
8049ea1: 8b 45 08 mov 0x8(%ebp),%eax
8049ea4: 8b 40 04 mov 0x4(%eax),%eax
8049ea7: 8d 50 04 lea 0x4(%eax),%edx
8049eaa: 8b 45 08 mov 0x8(%ebp),%eax
8049ead: 89 50 04 mov %edx,0x4(%eax)
return ptr;
8049eb0: 8b 45 fc mov -0x4(%ebp),%eax
}
8049eb3: c9 leave
8049eb4: c3 ret
08049eb5 <deserialize_ary>:
void* deserialize_ary(size_t len,serdes_state* state) {
8049eb5: 55 push %ebp
8049eb6: 89 e5 mov %esp,%ebp
8049eb8: 83 ec 18 sub $0x18,%esp
void* ary_in_buf=((void*)(state->buf+state->sizeorpos));
8049ebb: 8b 45 0c mov 0xc(%ebp),%eax
8049ebe: 8b 10 mov (%eax),%edx
8049ec0: 8b 45 0c mov 0xc(%ebp),%eax
8049ec3: 8b 40 04 mov 0x4(%eax),%eax
8049ec6: 01 d0 add %edx,%eax
8049ec8: 89 45 f4 mov %eax,-0xc(%ebp)
state->sizeorpos+=len;
8049ecb: 8b 45 0c mov 0xc(%ebp),%eax
8049ece: 8b 50 04 mov 0x4(%eax),%edx
8049ed1: 8b 45 08 mov 0x8(%ebp),%eax
8049ed4: 01 c2 add %eax,%edx
8049ed6: 8b 45 0c mov 0xc(%ebp),%eax
8049ed9: 89 50 04 mov %edx,0x4(%eax)
void* ary=malloc(len);
8049edc: 83 ec 0c sub $0xc,%esp
8049edf: ff 75 08 pushl 0x8(%ebp)
8049ee2: e8 96 f5 ff ff call 804947d <malloc>
8049ee7: 83 c4 10 add $0x10,%esp
8049eea: 89 45 f0 mov %eax,-0x10(%ebp)
memcpy(ary,ary_in_buf,len);
8049eed: 83 ec 04 sub $0x4,%esp
8049ef0: ff 75 08 pushl 0x8(%ebp)
8049ef3: ff 75 f4 pushl -0xc(%ebp)
8049ef6: ff 75 f0 pushl -0x10(%ebp)
8049ef9: e8 69 f8 ff ff call 8049767 <memcpy>
8049efe: 83 c4 10 add $0x10,%esp
return ary;
8049f01: 8b 45 f0 mov -0x10(%ebp),%eax
}
8049f04: c9 leave
8049f05: c3 ret
08049f06 <ceilf>:
float ceilf(float num) {
8049f06: 55 push %ebp
8049f07: 89 e5 mov %esp,%ebp
8049f09: 83 ec 18 sub $0x18,%esp
int inum=(int)num;
8049f0c: d9 45 08 flds 0x8(%ebp)
8049f0f: d9 7d ee fnstcw -0x12(%ebp)
8049f12: 66 8b 45 ee mov -0x12(%ebp),%ax
8049f16: 80 cc 0c or $0xc,%ah
8049f19: 66 89 45 ec mov %ax,-0x14(%ebp)
8049f1d: d9 6d ec fldcw -0x14(%ebp)
8049f20: db 5d fc fistpl -0x4(%ebp)
8049f23: d9 6d ee fldcw -0x12(%ebp)
if (num==(float)inum) {
8049f26: db 45 fc fildl -0x4(%ebp)
8049f29: d9 45 08 flds 0x8(%ebp)
8049f2c: da e9 fucompp
8049f2e: df e0 fnstsw %ax
8049f30: 80 e4 45 and $0x45,%ah
8049f33: 80 f4 40 xor $0x40,%ah
8049f36: 75 05 jne 8049f3d <ceilf+0x37>
return (float)inum;
8049f38: db 45 fc fildl -0x4(%ebp)
8049f3b: eb 0a jmp 8049f47 <ceilf+0x41>
}
return (float)(inum+1);
8049f3d: 8b 45 fc mov -0x4(%ebp),%eax
8049f40: 40 inc %eax
8049f41: 89 45 e8 mov %eax,-0x18(%ebp)
8049f44: db 45 e8 fildl -0x18(%ebp)
}
8049f47: c9 leave
8049f48: c3 ret
08049f49 <ceil>:
double ceil(double num) {
8049f49: 55 push %ebp
8049f4a: 89 e5 mov %esp,%ebp
8049f4c: 83 ec 20 sub $0x20,%esp
8049f4f: 8b 45 08 mov 0x8(%ebp),%eax
8049f52: 89 45 e8 mov %eax,-0x18(%ebp)
8049f55: 8b 45 0c mov 0xc(%ebp),%eax
8049f58: 89 45 ec mov %eax,-0x14(%ebp)
int inum=(int)num;
8049f5b: dd 45 e8 fldl -0x18(%ebp)
8049f5e: d9 7d e6 fnstcw -0x1a(%ebp)
8049f61: 66 8b 45 e6 mov -0x1a(%ebp),%ax
8049f65: 80 cc 0c or $0xc,%ah
8049f68: 66 89 45 e4 mov %ax,-0x1c(%ebp)
8049f6c: d9 6d e4 fldcw -0x1c(%ebp)
8049f6f: db 5d fc fistpl -0x4(%ebp)
8049f72: d9 6d e6 fldcw -0x1a(%ebp)
if (num==(double)inum) {
8049f75: db 45 fc fildl -0x4(%ebp)
8049f78: dd 45 e8 fldl -0x18(%ebp)
8049f7b: da e9 fucompp
8049f7d: df e0 fnstsw %ax
8049f7f: 80 e4 45 and $0x45,%ah
8049f82: 80 f4 40 xor $0x40,%ah
8049f85: 75 05 jne 8049f8c <ceil+0x43>
return (double)inum;
8049f87: db 45 fc fildl -0x4(%ebp)
8049f8a: eb 0a jmp 8049f96 <ceil+0x4d>
}
return (double)(inum+1);
8049f8c: 8b 45 fc mov -0x4(%ebp),%eax
8049f8f: 40 inc %eax
8049f90: 89 45 e0 mov %eax,-0x20(%ebp)
8049f93: db 45 e0 fildl -0x20(%ebp)
}
8049f96: c9 leave
8049f97: c3 ret
08049f98 <__do_global_ctors_aux>:
8049f98: a1 00 b0 04 08 mov 0x804b000,%eax
8049f9d: 83 f8 ff cmp $0xffffffff,%eax
8049fa0: 74 1a je 8049fbc <__do_global_ctors_aux+0x24>
8049fa2: 55 push %ebp
8049fa3: 89 e5 mov %esp,%ebp
8049fa5: 53 push %ebx
8049fa6: 52 push %edx
8049fa7: bb 00 b0 04 08 mov $0x804b000,%ebx
8049fac: ff d0 call *%eax
8049fae: 83 eb 04 sub $0x4,%ebx
8049fb1: 8b 03 mov (%ebx),%eax
8049fb3: 83 f8 ff cmp $0xffffffff,%eax
8049fb6: 75 f4 jne 8049fac <__do_global_ctors_aux+0x14>
8049fb8: 58 pop %eax
8049fb9: 5b pop %ebx
8049fba: 5d pop %ebp
8049fbb: c3 ret
8049fbc: c3 ret
Disassembly of section .fini:
08049fbd <_fini>:
8049fbd: e8 46 e1 ff ff call 8048108 <__do_global_dtors_aux>
8049fc2: c2 00 00 ret $0x0
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