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added support to dump registers on crash on Linux x64

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This commit is contained in:
antirez 2012-01-20 12:54:15 +01:00
parent d4d208595c
commit eea8c7a4f8
2 changed files with 29 additions and 1 deletions
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29
src/debug.c
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@ -498,7 +498,34 @@ void logRegisters(ucontext_t *uc) {
#elif defined(__i386__) #elif defined(__i386__)
return (void*) uc->uc_mcontext.gregs[14]; /* Linux 32 */ return (void*) uc->uc_mcontext.gregs[14]; /* Linux 32 */
#elif defined(__X86_64__) || defined(__x86_64__) #elif defined(__X86_64__) || defined(__x86_64__)
return (void*) uc->uc_mcontext.gregs[16]; /* Linux 64 */ redisLog(REDIS_WARNING,
"\n"
"RAX:%p RBX:%p RCX:%p RDX:%p\n"
"RDI:%p RSI:%p RBP:%p RSP:%p\n"
"R8:%p R9:%p R10:%p R11:%p\n"
"R12:%p R13:%p R14:%p R15:%p\n"
"RIP:%p EFL:%p CSGSFS:%p",
uc->uc_mcontext.gregs[13],
uc->uc_mcontext.gregs[11],
uc->uc_mcontext.gregs[14],
uc->uc_mcontext.gregs[12],
uc->uc_mcontext.gregs[8],
uc->uc_mcontext.gregs[9],
uc->uc_mcontext.gregs[10],
uc->uc_mcontext.gregs[15],
uc->uc_mcontext.gregs[0],
uc->uc_mcontext.gregs[1],
uc->uc_mcontext.gregs[2],
uc->uc_mcontext.gregs[3],
uc->uc_mcontext.gregs[4],
uc->uc_mcontext.gregs[5],
uc->uc_mcontext.gregs[6],
uc->uc_mcontext.gregs[7],
uc->uc_mcontext.gregs[16],
uc->uc_mcontext.gregs[17],
uc->uc_mcontext.gregs[18]
);
logStackContent((void**)uc->uc_mcontext.gregs[15]);
#else #else
redisLog(REDIS_WARNING, redisLog(REDIS_WARNING,
" Dumping of registers not supported for this OS/arch"); " Dumping of registers not supported for this OS/arch");

1
src/redis.h
View File

@ -20,6 +20,7 @@
#include <syslog.h> #include <syslog.h>
#include <netinet/in.h> #include <netinet/in.h>
#include <lua.h> #include <lua.h>
#include <signal.h>
#include "ae.h" /* Event driven programming library */ #include "ae.h" /* Event driven programming library */
#include "sds.h" /* Dynamic safe strings */ #include "sds.h" /* Dynamic safe strings */