301ff0c2df
Two unfortunate allocations were wrapping a proc() in a proc() with GreenTask::build_start_wrapper, and then boxing this proc in a ~proc() inside of Context::new(). Both of these allocations were a direct result from two conditions: 1. The Context::new() function has a nice api of taking a procedure argument to start up a new context with. This inherently required an allocation by build_start_wrapper because extra code needed to be run around the edges of a user-provided proc() for a new task. 2. The initial bootstrap code only understood how to pass one argument to the next function. By modifying the assembly and entry points to understand more than one argument, more information is passed through in registers instead of allocating a pointer-sized context. This is sadly where I end up throwing mips under a bus because I have no idea what's going on in the mips context switching code and don't know how to modify it. Closes #7767 cc #11389
116 lines
4.6 KiB
Makefile
116 lines
4.6 KiB
Makefile
# Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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# file at the top-level directory of this distribution and at
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# http://rust-lang.org/COPYRIGHT.
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#
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# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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# option. This file may not be copied, modified, or distributed
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# except according to those terms.
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################################################################################
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# Rust's standard distribution of crates and tools
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#
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# The crates outlined below are the standard distribution of libraries provided
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# in a rust installation. These rules are meant to abstract over the
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# dependencies (both native and rust) of crates and basically generate all the
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# necessary makefile rules necessary to build everything.
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#
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# Here's an explanation of the variables below
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#
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# TARGET_CRATES
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# This list of crates will be built for all targets, including
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# cross-compiled targets
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#
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# HOST_CRATES
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# This list of crates will be compiled for only host targets. Note that
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# this set is explicitly *not* a subset of TARGET_CRATES, but rather it is
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# a disjoint set. Nothing in the TARGET_CRATES set can depend on crates in
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# the HOST_CRATES set, but the HOST_CRATES set can depend on target
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# crates.
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#
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# TOOLS
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# A list of all tools which will be built as part of the compilation
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# process. It is currently assumed that most tools are built through
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# src/driver/driver.rs with a particular configuration (there's a
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# corresponding library providing the implementation)
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#
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# DEPS_<crate>
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# These lists are the dependencies of the <crate> that is to be built.
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# Rust dependencies are listed bare (i.e. std, extra, green) and native
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# dependencies have a "native:" prefix (i.e. native:sundown). All deps
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# will be built before the crate itself is built.
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#
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# TOOL_DEPS_<tool>/TOOL_SOURCE_<tool>
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# Similar to the DEPS variable, this is the library crate dependencies
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# list for tool as well as the source file for the specified tool
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#
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# You shouldn't need to modify much other than these variables. Crates are
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# automatically generated for all stage/host/target combinations.
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################################################################################
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TARGET_CRATES := std extra green rustuv native flate arena glob term semver \
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uuid serialize sync getopts collections num
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HOST_CRATES := syntax rustc rustdoc fourcc
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CRATES := $(TARGET_CRATES) $(HOST_CRATES)
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TOOLS := compiletest rustdoc rustc
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DEPS_std := native:rustrt native:compiler-rt
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DEPS_extra := std term sync serialize getopts collections
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DEPS_green := std native:context_switch
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DEPS_rustuv := std native:uv native:uv_support
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DEPS_native := std
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DEPS_syntax := std extra term serialize collections
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DEPS_rustc := syntax native:rustllvm flate arena serialize sync getopts \
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collections
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DEPS_rustdoc := rustc native:sundown serialize sync getopts collections
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DEPS_flate := std native:miniz
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DEPS_arena := std collections
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DEPS_glob := std
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DEPS_serialize := std
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DEPS_term := std
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DEPS_semver := std
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DEPS_uuid := std serialize
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DEPS_sync := std
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DEPS_getopts := std
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DEPS_collections := std serialize
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DEPS_fourcc := syntax std
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DEPS_num := std extra
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TOOL_DEPS_compiletest := extra green rustuv getopts
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TOOL_DEPS_rustdoc := rustdoc green rustuv
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TOOL_DEPS_rustc := rustc green rustuv
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TOOL_SOURCE_compiletest := $(S)src/compiletest/compiletest.rs
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TOOL_SOURCE_rustdoc := $(S)src/driver/driver.rs
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TOOL_SOURCE_rustc := $(S)src/driver/driver.rs
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################################################################################
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# You should not need to edit below this line
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################################################################################
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DOC_CRATES := $(filter-out rustc, $(filter-out syntax, $(CRATES)))
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# This macro creates some simple definitions for each crate being built, just
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# some munging of all of the parameters above.
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#
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# $(1) is the crate to generate variables for
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define RUST_CRATE
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CRATEFILE_$(1) := $$(S)src/lib$(1)/lib.rs
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RSINPUTS_$(1) := $$(wildcard $$(addprefix $(S)src/lib$(1), \
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*.rs */*.rs */*/*.rs */*/*/*.rs))
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RUST_DEPS_$(1) := $$(filter-out native:%,$$(DEPS_$(1)))
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NATIVE_DEPS_$(1) := $$(patsubst native:%,%,$$(filter native:%,$$(DEPS_$(1))))
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endef
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$(foreach crate,$(CRATES),$(eval $(call RUST_CRATE,$(crate))))
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# Similar to the macro above for crates, this macro is for tools
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#
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# $(1) is the crate to generate variables for
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define RUST_TOOL
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TOOL_INPUTS_$(1) := $$(wildcard $$(addprefix $$(dir $$(TOOL_SOURCE_$(1))), \
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*.rs */*.rs */*/*.rs */*/*/*.rs))
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endef
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$(foreach crate,$(TOOLS),$(eval $(call RUST_TOOL,$(crate))))
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