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Add driver support for -fsigned-char/-funsigned-char. 

llvm-svn: 72930
This commit is contained in:
Eli Friedman 2009-06-05 07:21:14 +00:00
parent 6be4b393b9
commit 327f0b5593
2 changed files with 14 additions and 0 deletions
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4
clang/include/clang/Driver/Options.def
View File

@ -227,6 +227,7 @@ OPTION("--resource=", _resource_EQ, Joined, INVALID, fcompile_resource_EQ, "", 0
OPTION("--resource", _resource, Separate, INVALID, fcompile_resource_EQ, "J", 0, 0, 0)
OPTION("--save-temps", _save_temps, Flag, INVALID, save_temps, "", 0, 0, 0)
OPTION("--shared", _shared, Flag, INVALID, shared, "", 0, 0, 0)
OPTION("--signed-char", _signed_char, Flag, INVALID, fsigned_char, "", 0, 0, 0)
OPTION("--specs=", _specs_EQ, Joined, INVALID, specs_EQ, "u", 0, 0, 0)
OPTION("--specs", _specs, Separate, INVALID, specs_EQ, "uJ", 0, 0, 0)
OPTION("--static", _static, Flag, INVALID, static, "", 0, 0, 0)
@ -241,6 +242,7 @@ OPTION("--traditional", _traditional, Flag, INVALID, traditional, "", 0, 0, 0)
OPTION("--trigraphs", _trigraphs, Flag, INVALID, trigraphs, "", 0, 0, 0)
OPTION("--undefine-macro=", _undefine_macro_EQ, Joined, INVALID, U, "", 0, 0, 0)
OPTION("--undefine-macro", _undefine_macro, Separate, INVALID, U, "J", 0, 0, 0)
OPTION("--unsigned-char", _unsigned_char, Flag, INVALID, funsigned_char, "", 0, 0, 0)
OPTION("--user-dependencies", _user_dependencies, Flag, INVALID, MM, "", 0, 0, 0)
OPTION("--verbose", _verbose, Flag, INVALID, v, "", 0, 0, 0)
OPTION("--version", _version, Flag, INVALID, INVALID, "", 0, 0, 0)
@ -445,6 +447,7 @@ OPTION("-fprofile-arcs", fprofile_arcs, Flag, f_Group, INVALID, "", 0, 0, 0)
OPTION("-fprofile-generate", fprofile_generate, Flag, f_Group, INVALID, "", 0, 0, 0)
OPTION("-framework", framework, Separate, INVALID, INVALID, "l", 0, 0, 0)
OPTION("-fsigned-bitfields", fsigned_bitfields, Flag, f_Group, INVALID, "", 0, 0, 0)
OPTION("-fsigned-char", fsigned_char, Flag, f_Group, INVALID, "", 0, 0, 0)
OPTION("-fstack-protector", fstack_protector, Flag, clang_ignored_f_Group, INVALID, "", 0, 0, 0)
OPTION("-fstrict-aliasing", fstrict_aliasing, Flag, clang_ignored_f_Group, INVALID, "", 0, 0, 0)
OPTION("-fsyntax-only", fsyntax_only, Flag, INVALID, INVALID, "d", 0, 0, 0)
@ -455,6 +458,7 @@ OPTION("-ftraditional", ftraditional, Flag, f_Group, INVALID, "", 0, 0, 0)
OPTION("-ftrapv", ftrapv, Flag, f_Group, INVALID, "", 0, 0, 0)
OPTION("-funit-at-a-time", funit_at_a_time, Flag, f_Group, INVALID, "", 0, 0, 0)
OPTION("-funsigned-bitfields", funsigned_bitfields, Flag, f_Group, INVALID, "", 0, 0, 0)
OPTION("-funsigned-char", funsigned_char, Flag, f_Group, INVALID, "", 0, 0, 0)
OPTION("-funwind-tables", funwind_tables, Flag, f_Group, INVALID, "", 0, 0, 0)
OPTION("-fverbose-asm", fverbose_asm, Flag, f_Group, INVALID, "", 0, 0, 0)
OPTION("-fvisibility=", fvisibility_EQ, Joined, f_Group, INVALID, "", 0, 0, 0)

10
clang/lib/Driver/Tools.cpp
View File

@ -505,6 +505,16 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
CmdArgs.push_back("-fblocks=0");
}
// -fsigned-char/-funsigned-char default varies depending on platform; only
// pass if specified.
if (Arg *A = Args.getLastArg(options::OPT_fsigned_char,
options::OPT_funsigned_char)) {
if (A->getOption().matches(options::OPT_fsigned_char))
CmdArgs.push_back("-fsigned-char");
else
CmdArgs.push_back("-fsigned-char=0");
}
// -fno-pascal-strings is default, only pass non-default. If the
// -tool chain happened to translate to -mpascal-strings, we want to
// -back translate here.