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Exec info and linux check to stop non-portable code breaking

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This commit is contained in:
Azusa Yamaguchi 2015-11-06 10:31:24 +00:00
parent c2d96644a0
commit 3281745fde
1 changed files with 7 additions and 4 deletions
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11
lib/Init.cc
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@ -16,8 +16,9 @@
#include <iterator> #include <iterator>
#define __X86_64 #define __X86_64
#define EXECINFO
#ifdef EXECINFO
#ifdef HAVE_EXECINFO_H
#include <execinfo.h> #include <execinfo.h>
#endif #endif
@ -225,7 +226,9 @@ void Grid_sa_signal_handler(int sig,siginfo_t *si,void * ptr)
printf(" mem address %llx\n",(unsigned long long)si->si_addr); printf(" mem address %llx\n",(unsigned long long)si->si_addr);
printf(" code %d\n",si->si_code); printf(" code %d\n",si->si_code);
#ifdef __X86_64 // Linux/Posix
#ifdef __linux__
// And x86 64bit
ucontext_t * uc= (ucontext_t *)ptr; ucontext_t * uc= (ucontext_t *)ptr;
struct sigcontext *sc = (struct sigcontext *)&uc->uc_mcontext; struct sigcontext *sc = (struct sigcontext *)&uc->uc_mcontext;
printf(" instruction %llx\n",(unsigned long long)sc->rip); printf(" instruction %llx\n",(unsigned long long)sc->rip);
@ -251,7 +254,7 @@ void Grid_sa_signal_handler(int sig,siginfo_t *si,void * ptr)
REG(r14); REG(r14);
REG(r15); REG(r15);
#endif #endif
#ifdef EXECINFO #ifdef HAVE_EXECINFO_H
int symbols = backtrace (Grid_backtrace_buffer,_NBACKTRACE); int symbols = backtrace (Grid_backtrace_buffer,_NBACKTRACE);
char **strings = backtrace_symbols(Grid_backtrace_buffer,symbols); char **strings = backtrace_symbols(Grid_backtrace_buffer,symbols);
for (int i = 0; i < symbols; i++){ for (int i = 0; i < symbols; i++){