Switch to siginfo, fix build on arm64
This commit is contained in:
parent
3b6657fd85
commit
7658c9be9f
|
@ -51,7 +51,7 @@
|
|||
#include "paths.h"
|
||||
#include "conf.h"
|
||||
#include "jack.h"
|
||||
#include "sigsegv.h"
|
||||
#include "../siginfo/siginfo.h"
|
||||
#include "gitversion.h"
|
||||
#include "dbus_iface_control.h"
|
||||
|
||||
|
@ -516,7 +516,7 @@ main(
|
|||
/* setup our SIGSEGV magic that prints nice stack in our logfile */
|
||||
if (dbus)
|
||||
{
|
||||
setup_sigsegv();
|
||||
setup_siginfo();
|
||||
}
|
||||
|
||||
signal(SIGINT, &a2j_sigint_handler);
|
||||
|
|
2
siginfo
2
siginfo
|
@ -1 +1 @@
|
|||
Subproject commit 2c69d707162e4caa970d73ff1eff4d197412d8a6
|
||||
Subproject commit 1c9ebe868f673ee6f570383402ff2f7d8d07f0ad
|
186
sigsegv.c
186
sigsegv.c
|
@ -1,16 +1,3 @@
|
|||
/**
|
||||
* This source file is used to print out a stack-trace when your program
|
||||
* segfaults. It is relatively reliable and spot-on accurate.
|
||||
*
|
||||
* This code is in the public domain. Use it as you see fit, some credit
|
||||
* would be appreciated, but is not a prerequisite for usage. Feedback
|
||||
* on it's use would encourage further development and maintenance.
|
||||
*
|
||||
* Author: Jaco Kroon <jaco@kroon.co.za>
|
||||
*
|
||||
* Copyright (C) 2005 - 2008 Jaco Kroon
|
||||
*/
|
||||
|
||||
#if defined(HAVE_CONFIG_H)
|
||||
#include "config.h"
|
||||
#endif
|
||||
|
@ -18,178 +5,9 @@
|
|||
#define NO_CPP_DEMANGLE
|
||||
#define SIGSEGV_NO_AUTO_INIT
|
||||
|
||||
#ifndef _GNU_SOURCE
|
||||
# define _GNU_SOURCE
|
||||
#endif
|
||||
|
||||
#include <memory.h>
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
#include <signal.h>
|
||||
#include <ucontext.h>
|
||||
#include <dlfcn.h>
|
||||
#include <execinfo.h>
|
||||
#include <errno.h>
|
||||
#ifndef NO_CPP_DEMANGLE
|
||||
//#include <cxxabi.h>
|
||||
char * __cxa_demangle(const char * __mangled_name, char * __output_buffer, size_t * __length, int * __status);
|
||||
#endif
|
||||
|
||||
#include <stdbool.h>
|
||||
#include "log.h"
|
||||
|
||||
#if defined(REG_RIP)
|
||||
# define SIGSEGV_STACK_IA64
|
||||
# define REGFORMAT "%016lx"
|
||||
#elif defined(REG_EIP)
|
||||
# define SIGSEGV_STACK_X86
|
||||
# define REGFORMAT "%08x"
|
||||
#else
|
||||
# define SIGSEGV_STACK_GENERIC
|
||||
# define REGFORMAT "%x"
|
||||
#endif
|
||||
# define siginfo_log(fmt, args...) a2j_error(fmt "\n", ##args);
|
||||
|
||||
static void signal_segv(int signum, siginfo_t* info, void*ptr) {
|
||||
static const char *si_codes[3] = {"", "SEGV_MAPERR", "SEGV_ACCERR"};
|
||||
|
||||
size_t i;
|
||||
ucontext_t *ucontext = (ucontext_t*)ptr;
|
||||
|
||||
#if defined(SIGSEGV_STACK_X86) || defined(SIGSEGV_STACK_IA64)
|
||||
int f = 0;
|
||||
Dl_info dlinfo;
|
||||
void **bp = 0;
|
||||
void *ip = 0;
|
||||
#else
|
||||
void *bt[20];
|
||||
char **strings;
|
||||
size_t sz;
|
||||
#endif
|
||||
|
||||
if (signum == SIGSEGV)
|
||||
{
|
||||
a2j_error("Segmentation Fault!");
|
||||
}
|
||||
else if (signum == SIGABRT)
|
||||
{
|
||||
a2j_error("Abort!");
|
||||
}
|
||||
else if (signum == SIGILL)
|
||||
{
|
||||
a2j_error("Illegal instruction!");
|
||||
}
|
||||
else if (signum == SIGFPE)
|
||||
{
|
||||
a2j_error("Floating point exception!");
|
||||
}
|
||||
else
|
||||
{
|
||||
a2j_error("Unknown bad signal catched!");
|
||||
}
|
||||
|
||||
a2j_error("info.si_signo = %d", signum);
|
||||
a2j_error("info.si_errno = %d", info->si_errno);
|
||||
a2j_error("info.si_code = %d (%s)", info->si_code, si_codes[info->si_code]);
|
||||
a2j_error("info.si_addr = %p", info->si_addr);
|
||||
#if !defined(__alpha__) && !defined(__ia64__) && !defined(__FreeBSD_kernel__) && !defined(__arm__) && !defined(__hppa__) && !defined(__sh__) && !defined(__aarch64__)
|
||||
for(i = 0; i < NGREG; i++)
|
||||
a2j_error("reg[%02d] = 0x" REGFORMAT, i,
|
||||
#if defined(__powerpc__) && !defined(__powerpc64__)
|
||||
ucontext->uc_mcontext.uc_regs[i]
|
||||
#elif defined(__powerpc64__)
|
||||
ucontext->uc_mcontext.gp_regs[i]
|
||||
#elif defined(__sparc__) && defined(__arch64__)
|
||||
ucontext->uc_mcontext.mc_gregs[i]
|
||||
#else
|
||||
ucontext->uc_mcontext.gregs[i]
|
||||
#endif
|
||||
);
|
||||
#endif /* alpha, ia64, kFreeBSD, arm, hppa, aarch64 */
|
||||
|
||||
#if defined(SIGSEGV_STACK_X86) || defined(SIGSEGV_STACK_IA64)
|
||||
# if defined(SIGSEGV_STACK_IA64)
|
||||
ip = (void*)ucontext->uc_mcontext.gregs[REG_RIP];
|
||||
bp = (void**)ucontext->uc_mcontext.gregs[REG_RBP];
|
||||
# elif defined(SIGSEGV_STACK_X86)
|
||||
ip = (void*)ucontext->uc_mcontext.gregs[REG_EIP];
|
||||
bp = (void**)ucontext->uc_mcontext.gregs[REG_EBP];
|
||||
# endif
|
||||
|
||||
a2j_error("Stack trace:");
|
||||
while(bp && ip) {
|
||||
if(!dladdr(ip, &dlinfo))
|
||||
break;
|
||||
|
||||
const char *symname = dlinfo.dli_sname;
|
||||
#ifndef NO_CPP_DEMANGLE
|
||||
int status;
|
||||
char *tmp = __cxa_demangle(symname, NULL, 0, &status);
|
||||
|
||||
if(status == 0 && tmp)
|
||||
symname = tmp;
|
||||
#endif
|
||||
|
||||
a2j_error("% 2d: %p <%s+%u> (%s)",
|
||||
++f,
|
||||
ip,
|
||||
symname,
|
||||
(unsigned)(ip - dlinfo.dli_saddr),
|
||||
dlinfo.dli_fname);
|
||||
|
||||
#ifndef NO_CPP_DEMANGLE
|
||||
if(tmp)
|
||||
free(tmp);
|
||||
#endif
|
||||
|
||||
if(dlinfo.dli_sname && !strcmp(dlinfo.dli_sname, "main"))
|
||||
break;
|
||||
|
||||
ip = bp[1];
|
||||
bp = (void**)bp[0];
|
||||
}
|
||||
#else
|
||||
a2j_error("Stack trace (non-dedicated):");
|
||||
sz = backtrace(bt, 20);
|
||||
strings = backtrace_symbols(bt, sz);
|
||||
|
||||
for(i = 0; i < sz; ++i)
|
||||
a2j_error("%s", strings[i]);
|
||||
#endif
|
||||
a2j_error("End of stack trace");
|
||||
exit (-1);
|
||||
}
|
||||
|
||||
int setup_sigsegv() {
|
||||
struct sigaction action;
|
||||
|
||||
memset(&action, 0, sizeof(action));
|
||||
action.sa_sigaction = signal_segv;
|
||||
action.sa_flags = SA_SIGINFO;
|
||||
if(sigaction(SIGSEGV, &action, NULL) < 0) {
|
||||
a2j_error("sigaction failed. errno is %d (%s)", errno, strerror(errno));
|
||||
return 0;
|
||||
}
|
||||
|
||||
if(sigaction(SIGILL, &action, NULL) < 0) {
|
||||
a2j_error("sigaction failed. errno is %d (%s)", errno, strerror(errno));
|
||||
return 0;
|
||||
}
|
||||
|
||||
if(sigaction(SIGABRT, &action, NULL) < 0) {
|
||||
a2j_error("sigaction failed. errno is %d (%s)", errno, strerror(errno));
|
||||
return 0;
|
||||
}
|
||||
|
||||
if(sigaction(SIGFPE, &action, NULL) < 0) {
|
||||
a2j_error("sigaction failed. errno is %d (%s)", errno, strerror(errno));
|
||||
return 0;
|
||||
}
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
#ifndef SIGSEGV_NO_AUTO_INIT
|
||||
static void __attribute((constructor)) init(void) {
|
||||
setup_sigsegv();
|
||||
}
|
||||
#endif
|
||||
#include "siginfo/siginfo.c"
|
||||
|
|
Loading…
Reference in New Issue