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gcc_esp_i386 and gcc_ebp_i386 had their values backwards for 

i386 eh_frame register numbering, encoding a darwin-specific
bug in the register numbering.  Update the definitions to be
the correct values, Darwin can use the register numbers from
debugserver.  Patch from Tong Shen.

llvm-svn: 215488
This commit is contained in:
Jason Molenda 2014-08-13 00:52:49 +00:00
parent 18355283ce
commit 06adbc4e0d
1 changed files with 10 additions and 2 deletions
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12
lldb/source/Plugins/Process/Utility/RegisterContext_x86.h
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@ -34,8 +34,16 @@ enum
gcc_ecx_i386,
gcc_edx_i386,
gcc_ebx_i386,
gcc_ebp_i386, // Warning: these are switched from dwarf values
gcc_esp_i386, //
// on Darwin esp & ebp are reversed in the eh_frame section for i386 (versus dwarf's reg numbering).
// To be specific:
// i386+darwin eh_frame: 4 is ebp, 5 is esp
// i386+everyone else eh_frame: 4 is esp, 5 is ebp
// i386 dwarf: 4 is esp, 5 is ebp
// lldb will get the darwin-specific eh_frame reg numberings from debugserver instead of here so we
// only encode the 4 == esp, 5 == ebp numbers in this generic header.
gcc_esp_i386,
gcc_ebp_i386,
gcc_esi_i386,
gcc_edi_i386,
gcc_eip_i386,