nicolas/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Debug Info: support for gdwarf-2 gdwarf-3 gdwarf-4

Browse Source 
These options will add a module flag with name "Dwarf Version".
The behavior flag is currently set to Warning, so when two values disagree,
a warning will be emitted.

llvm-svn: 184276
This commit is contained in:
Manman Ren
2013-06-19 01:46:49 +00:00
parent f796cf1ade
commit 9691f7fa35
7 changed files with 45 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
clang/lib/Frontend/CompilerInvocation.cpp
View File

@@ -318,7 +318,8 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
if (Args.hasArg(OPT_gline_tables_only)) {
Opts.setDebugInfo(CodeGenOptions::DebugLineTablesOnly);
} else if (Args.hasArg(OPT_g_Flag)) {
} else if (Args.hasArg(OPT_g_Flag) || Args.hasArg(OPT_gdwarf_2) ||
Args.hasArg(OPT_gdwarf_3) || Args.hasArg(OPT_gdwarf_4)) {
if (Args.hasFlag(OPT_flimit_debug_info, OPT_fno_limit_debug_info, true))
Opts.setDebugInfo(CodeGenOptions::LimitedDebugInfo);
else
@@ -326,6 +327,15 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
}
Opts.DebugColumnInfo = Args.hasArg(OPT_dwarf_column_info);
Opts.SplitDwarfFile = Args.getLastArgValue(OPT_split_dwarf_file);
if (Args.hasArg(OPT_gdwarf_2))
Opts.DwarfVersion = 2;
else if (Args.hasArg(OPT_gdwarf_3))
Opts.DwarfVersion = 3;
else if (Args.hasArg(OPT_gdwarf_4))
Opts.DwarfVersion = 4;
else if (Opts.getDebugInfo() != CodeGenOptions::NoDebugInfo)
// Default Dwarf version is 3 if we are generating debug information.
Opts.DwarfVersion = 3;
Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns);
Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone);