wangtao
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Provide correct DWARF register numbering for debug information emission on x86-32/Darwin. 

This should fix bunch of issues.

llvm-svn: 46337
This commit is contained in:
Anton Korobeynikov 2008-01-25 00:34:13 +00:00
parent 3efff5472b
commit fcde616864
3 changed files with 9 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
llvm/lib/Target/X86/X86RegisterInfo.cpp
View File

@ -64,12 +64,15 @@ int X86RegisterInfo::getDwarfRegNum(unsigned RegNo, bool isEH) const {
unsigned Flavour = DWARFFlavour::X86_64; unsigned Flavour = DWARFFlavour::X86_64;
if (!Subtarget->is64Bit()) { if (!Subtarget->is64Bit()) {
if (Subtarget->isTargetDarwin()) { if (Subtarget->isTargetDarwin()) {
Flavour = DWARFFlavour::X86_32_Darwin; if (isEH)
Flavour = DWARFFlavour::X86_32_DarwinEH;
else
Flavour = DWARFFlavour::X86_32_Generic;
} else if (Subtarget->isTargetCygMing()) { } else if (Subtarget->isTargetCygMing()) {
// Unsupported by now, just quick fallback // Unsupported by now, just quick fallback
Flavour = DWARFFlavour::X86_32_ELF; Flavour = DWARFFlavour::X86_32_Generic;
} else { } else {
Flavour = DWARFFlavour::X86_32_ELF; Flavour = DWARFFlavour::X86_32_Generic;
} }
} }

2
llvm/lib/Target/X86/X86RegisterInfo.h
View File

@ -36,7 +36,7 @@ namespace N86 {
/// ///
namespace DWARFFlavour { namespace DWARFFlavour {
enum { enum {
X86_64 = 0, X86_32_Darwin = 1, X86_32_ELF = 2 X86_64 = 0, X86_32_DarwinEH = 1, X86_32_Generic = 2
}; };
} }

7
llvm/lib/Target/X86/X86RegisterInfo.td
View File

@ -25,11 +25,8 @@ let Namespace = "X86" in {
// Dwarf numbering is different for 32-bit and 64-bit, and there are // Dwarf numbering is different for 32-bit and 64-bit, and there are
// variations by target as well. Currently the first entry is for X86-64, // variations by target as well. Currently the first entry is for X86-64,
// second - for X86-32/Darwin and third for X86-32/Linux // second - for EH on X86-32/Darwin and third is 'generic' one (X86-32/Linux
// and debug information on X86-32/Darwin)
// FIXME: Comments in gcc indicate that Darwin uses different numbering
// for debug info and exception handling info:( The numbering here is
// for exception handling.
// 8-bit registers // 8-bit registers
// Low registers // Low registers