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This commit is contained in:
Peter Boyle
2015-03-04 13:43:48 +00:00
parent a8238d0b25
commit d9054f67fd
1 changed files with 0 additions and 82 deletions
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82
Grid_signal.cc
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@@ -1,82 +0,0 @@
/****************************************************************************/
/* PAB: Signal magic. Processor state dump is x86-64 specific */
/****************************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include <unistd.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <signal.h>
#include "Grid.h"
#undef __X86_64
namespace dpo {
void Grid_init(void)
{
Grid_debug_handler_init();
}
double usecond(void) {
struct timeval tv;
gettimeofday(&tv,NULL);
return 1.0*tv.tv_usec + 1.0e6*tv.tv_sec;
}
void Grid_sa_signal_handler(int sig,siginfo_t *si,void * ptr)
{
ucontext_t * uc= (ucontext_t *)ptr;
printf("Caught signal %d\n",si->si_signo);
printf(" mem address %llx\n",(uint64_t)si->si_addr);
printf(" code %d\n",si->si_code);
#ifdef __X86_64
struct sigcontext *sc = (struct sigcontext *)&uc->uc_mcontext;
printf(" instruction %llx\n",(uint64_t)sc->rip);
#define REG(A) printf(" %s %lx\n",#A, sc-> A);
REG(rdi);
REG(rsi);
REG(rbp);
REG(rbx);
REG(rdx);
REG(rax);
REG(rcx);
REG(rsp);
REG(rip);
REG(r8);
REG(r9);
REG(r10);
REG(r11);
REG(r12);
REG(r13);
REG(r14);
REG(r15);
#endif
fflush(stdout);
if ( si->si_signo == SIGSEGV ) {
printf("Grid_sa_signal_handler: Oops... this was a sigsegv you naughty naughty programmer. Goodbye\n");
fflush(stdout);
exit(-1);
}
return;
};
void Grid_debug_handler_init(void)
{
struct sigaction sa,osa;
sigemptyset (&sa.sa_mask);
sa.sa_sigaction= Grid_sa_signal_handler;
sa.sa_flags = SA_SIGINFO;
sigaction(SIGSEGV,&sa,NULL);
sigaction(SIGTRAP,&sa,NULL);
}
}