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MJIT: Directly compile .c to .so (#5987)

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I'm planning to redesign the MJIT worker pipeline, and this allows you to simplify the implementation and let it run efficiently except for MinGW.
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Takashi Kokubun 2022-06-08 10:49:00 -07:00 • committed by GitHub
parent 5a4f997b2e
commit da883af42a
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Notes: git 2022-06-09 02:49:22 +09:00 
Merged-By: k0kubun <takashikkbn@gmail.com>
1 changed files with 28 additions and 3 deletions
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31
mjit_worker.c
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@ -297,7 +297,7 @@ static const char *const CC_COMMON_ARGS[] = {
static const char *const CC_DEBUG_ARGS[] = {MJIT_DEBUGFLAGS NULL};
static const char *const CC_OPTIMIZE_ARGS[] = {MJIT_OPTFLAGS NULL};
static const char *const CC_LDSHARED_ARGS[] = {MJIT_LDSHARED GCC_PIC_FLAGS NULL};
static const char *const CC_LDSHARED_ARGS[] = {MJIT_LDSHARED MJIT_CFLAGS GCC_PIC_FLAGS NULL};
static const char *const CC_DLDFLAGS_ARGS[] = {MJIT_DLDFLAGS NULL};
// `CC_LINKER_ARGS` are linker flags which must be passed to `-c` as well.
static const char *const CC_LINKER_ARGS[] = {
@ -907,8 +907,8 @@ make_pch(void)
}
// Compile .c file to .so file. It returns true if it succeeds. (non-mswin)
// Not compiling .c to .so directly because it fails on MinGW, and this helps
// to generate no .dSYM on macOS.
// MinGW compiles it in two steps because otherwise it fails without any error output.
# ifdef _WIN32 // MinGW
static bool
compile_c_to_so(const char *c_file, const char *so_file)
{
@ -949,6 +949,31 @@ compile_c_to_so(const char *c_file, const char *so_file)
}
return exit_code == 0;
}
# else // _WIN32
static bool
compile_c_to_so(const char *c_file, const char *so_file)
{
const char *so_args[] = {
"-o", so_file,
# ifdef _WIN32
libruby_pathflag,
# endif
# ifdef __clang__
"-include-pch", pch_file,
# endif
c_file, NULL
};
char **args = form_args(7, CC_LDSHARED_ARGS, CC_CODEFLAG_ARGS, cc_added_args,
so_args, CC_LIBS, CC_DLDFLAGS_ARGS, CC_LINKER_ARGS);
if (args == NULL) return false;
int exit_code = exec_process(cc_path, args);
free(args);
if (exit_code != 0) {
verbose(2, "compile_c_to_so: failed to compile .c to .so: %d", exit_code);
}
return exit_code == 0;
}
# endif // _WIN32
#endif // _MSC_VER
#if USE_JIT_COMPACTION