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- Add EIP recovery on Linux/x86 when using siginfo_t based signal handlers

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gbeauche 2002-01-07 16:30:39 +00:00
parent 8fb29cf11b
commit 00ef1ff5da
1 changed files with 4 additions and 0 deletions
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4
BasiliskII/src/Unix/sigsegv.cpp
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@ -57,6 +57,10 @@ static bool sigsegv_do_install_handler(int sig);
#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, siginfo_t *sip, void *scp
#define SIGSEGV_FAULT_ADDRESS sip->si_addr
#if defined(__linux__)
#if (defined(i386) || defined(__i386__))
#include <sys/ucontext.h>
#define SIGSEGV_FAULT_INSTRUCTION (((ucontext_t *)scp)->uc_mcontext.gregs[14]) /* should use REG_EIP instead */
#endif
#if (defined(ia64) || defined(__ia64__))
#define SIGSEGV_FAULT_INSTRUCTION (((struct sigcontext *)scp)->sc_ip & ~0x3ULL) /* slot number is in bits 0 and 1 */
#endif