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bunch of changes. mainly is: got right CFA from both libunwind & libdw

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nnosov
2020-01-23 19:49:51 +04:00
parent 6e6e0c22ed
commit 952b71d9d3
5 changed files with 294 additions and 185 deletions
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framework/common.h
+9 -4
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@@ -14,7 +14,10 @@ typedef struct __pst_context {
offset = 0;
buff[0] = 0;
base_addr = 0;
has_nframe = false;
sp = 0;
cfa = 0;
curr_frame = NULL;
next_frame = NULL;
}
bool print(const char* fmt, ...);
@@ -23,13 +26,15 @@ typedef struct __pst_context {
ucontext_t* hcontext; // context of signal handler
unw_context_t context; // context of stack trace
unw_cursor_t curr_frame; // currently examined frame of context
unw_cursor_t next_frame; // caller frame
bool has_nframe; // has next frame or not
unw_cursor_t cursor;
unw_cursor_t* curr_frame; // currently examined frame of context
unw_cursor_t* next_frame; // caller frame
Dwarf_Addr base_addr; // base address where process loaded
char buff[8192]; // stack trace buffer
uint32_t offset; // offset in the 'buff'
Dwarf_Addr sp;
Dwarf_Addr cfa;
} pst_context;