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[Sanitizer] StackTrace: kill CopyTo and reimplement CopyFrom 

llvm-svn: 192441
This commit is contained in:
Alexey Samsonov 2013-10-11 11:14:20 +00:00
parent cc00dd4d5d
commit 0cd96165f1
2 changed files with 7 additions and 13 deletions
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6
compiler-rt/lib/sanitizer_common/sanitizer_stacktrace.cc
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@ -13,6 +13,7 @@
#include "sanitizer_common.h"
#include "sanitizer_flags.h"
#include "sanitizer_libc.h"
#include "sanitizer_procmaps.h"
#include "sanitizer_stacktrace.h"
#include "sanitizer_symbolizer.h"
@ -34,6 +35,11 @@ uptr StackTrace::GetPreviousInstructionPc(uptr pc) {
#endif
}
void StackTrace::CopyFrom(const uptr *src, uptr src_size) {
size = Min(src_size, kStackTraceMax);
internal_memcpy(trace, src, sizeof(trace[0]) * size);
}
static void PrintStackFramePrefix(uptr frame_num, uptr pc) {
Printf(" #%zu 0x%zx", frame_num, pc);
}

14
compiler-rt/lib/sanitizer_common/sanitizer_stacktrace.h
View File

@ -36,20 +36,8 @@ struct StackTrace {
uptr trace[kStackTraceMax];
static void PrintStack(const uptr *addr, uptr size, bool symbolize,
SymbolizeCallback symbolize_callback);
void CopyTo(uptr *dst, uptr dst_size) {
for (uptr i = 0; i < size && i < dst_size; i++)
dst[i] = trace[i];
for (uptr i = size; i < dst_size; i++)
dst[i] = 0;
}
void CopyFrom(uptr *src, uptr src_size) {
size = src_size;
if (size > kStackTraceMax) size = kStackTraceMax;
for (uptr i = 0; i < size; i++) {
trace[i] = src[i];
}
}
void CopyFrom(const uptr *src, uptr src_size);
void FastUnwindStack(uptr pc, uptr bp, uptr stack_top, uptr stack_bottom,
uptr max_depth);