Suyu/breakpad
1
0
Fork 0
mirror of https://git.suyu.dev/suyu/breakpad.git synced 2026-01-05 22:18:21 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

[MIPS]: Use mcontext_t structure for MIPS

Browse source 
This change removes user_regs_struct and
user_fpregs_struct structures for mips
and uses mcontext_t instead.

R=fdegans@chromium.org, mark@chromium.org, rmcilroy@chromium.org

Review URL: https://breakpad.appspot.com/3744002

Patch from Gordana Cmiljanovic <Gordana.Cmiljanovic@imgtec.com>.

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1452 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
rmcilroy@chromium.org 2015-04-21 21:34:14 +00:00
parent 9c6af3e29c
commit 0f27af628f
9 changed files with 134 additions and 160 deletions
Download patch file Download diff file Expand all files Collapse all files

65
src/client/linux/dump_writer_common/thread_info.cc
View file

@ -30,6 +30,7 @@
#include "client/linux/dump_writer_common/thread_info.h"
#include <string.h>
#include <assert.h>
#include "common/linux/linux_libc_support.h"
#include "google_breakpad/common/minidump_format.h"
@ -230,37 +231,69 @@ void ThreadInfo::FillCPUContext(RawContextCPU* out) const {
#elif defined(__mips__)
uintptr_t ThreadInfo::GetInstructionPointer() const {
return regs.epc;
return mcontext.pc;
}
void ThreadInfo::FillCPUContext(RawContextCPU* out) const {
out->context_flags = MD_CONTEXT_MIPS_FULL;
for (int i = 0; i < MD_CONTEXT_MIPS_GPR_COUNT; ++i)
out->iregs[i] = regs.regs[i];
out->iregs[i] = mcontext.gregs[i];
out->mdhi = regs.hi;
out->mdlo = regs.lo;
out->mdhi = mcontext.mdhi;
out->mdlo = mcontext.mdlo;
out->dsp_control = mcontext.dsp;
for (int i = 0; i < MD_CONTEXT_MIPS_DSP_COUNT; ++i) {
out->hi[i] = hi[i];
out->lo[i] = lo[i];
}
out->dsp_control = dsp_control;
out->hi[0] = mcontext.hi1;
out->lo[0] = mcontext.lo1;
out->hi[1] = mcontext.hi2;
out->lo[1] = mcontext.lo2;
out->hi[2] = mcontext.hi3;
out->lo[2] = mcontext.lo3;
out->epc = regs.epc;
out->badvaddr = regs.badvaddr;
out->status = regs.status;
out->cause = regs.cause;
out->epc = mcontext.pc;
out->badvaddr = 0; // Not stored in mcontext
out->status = 0; // Not stored in mcontext
out->cause = 0; // Not stored in mcontext
for (int i = 0; i < MD_FLOATINGSAVEAREA_MIPS_FPR_COUNT; ++i)
out->float_save.regs[i] = fpregs.regs[i];
out->float_save.regs[i] = mcontext.fpregs.fp_r.fp_fregs[i]._fp_fregs;
out->float_save.fpcsr = fpregs.fpcsr;
out->float_save.fpcsr = mcontext.fpc_csr;
#if _MIPS_SIM == _ABIO32
out->float_save.fir = fpregs.fir;
out->float_save.fir = mcontext.fpc_eir;
#endif
}
#endif // __mips__
void ThreadInfo::GetGeneralPurposeRegisters(void** gp_regs, size_t* size) {
assert(gp_regs || size);
#if defined(__mips__)
if (gp_regs)
*gp_regs = mcontext.gregs;
if (size)
*size = sizeof(mcontext.gregs);
#else
if (gp_regs)
*gp_regs = &regs;
if (size)
*size = sizeof(regs);
#endif
}
void ThreadInfo::GetFloatingPointRegisters(void** fp_regs, size_t* size) {
assert(fp_regs || size);
#if defined(__mips__)
if (fp_regs)
*fp_regs = &mcontext.fpregs;
if (size)
*size = sizeof(mcontext.fpregs);
#else
if (fp_regs)
*fp_regs = &fpregs;
if (size)
*size = sizeof(fpregs);
#endif
}
} // namespace google_breakpad

13
src/client/linux/dump_writer_common/thread_info.h
View file

@ -69,11 +69,8 @@ struct ThreadInfo {
struct user_pt_regs regs;
struct user_fpsimd_state fpregs;
#elif defined(__mips__)
user_regs_struct regs;
user_fpregs_struct fpregs;
uint32_t hi[3];
uint32_t lo[3];
uint32_t dsp_control;
// Use the structure defined in <sys/ucontext.h>.
mcontext_t mcontext;
#endif
// Returns the instruction pointer (platform-dependent impl.).
@ -81,6 +78,12 @@ struct ThreadInfo {
// Fills a RawContextCPU using the context in the ThreadInfo object.
void FillCPUContext(RawContextCPU* out) const;
// Returns the pointer and size of general purpose register area.
void GetGeneralPurposeRegisters(void** gp_regs, size_t* size);
// Returns the pointer and size of float point register area.
void GetFloatingPointRegisters(void** fp_regs, size_t* size);
};
} // namespace google_breakpad