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Add support for Linux/hppa, FreeBSD/alpha. Misc debugging output.

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This commit is contained in:
gbeauche 2003-12-20 21:50:08 +00:00
parent 36ee9370a6
commit 47f64bdcb8
1 changed files with 20 additions and 1 deletions
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21
BasiliskII/src/Unix/sigsegv.cpp
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@ -36,6 +36,7 @@
#endif
#include <list>
#include <stdio.h>
#include <signal.h>
#include "sigsegv.h"
@ -270,6 +271,10 @@ static void powerpc_decode_instruction(instruction_t *instruction, unsigned int
#define SIGSEGV_REGISTER_FILE (unsigned int *)&SIGSEGV_CONTEXT_REGS->nip, (unsigned int *)(SIGSEGV_CONTEXT_REGS->gpr)
#define SIGSEGV_SKIP_INSTRUCTION powerpc_skip_instruction
#endif
#if (defined(hppa) || defined(__hppa__))
#undef SIGSEGV_FAULT_ADDRESS
#define SIGSEGV_FAULT_ADDRESS sip->si_ptr
#endif
#endif
#endif
@ -390,8 +395,8 @@ static sigsegv_address_t get_fault_address(struct sigcontext *scp)
#endif
#endif
#if defined(__FreeBSD__)
#define SIGSEGV_ALL_SIGNALS FAULT_HANDLER(SIGBUS)
#if (defined(i386) || defined(__i386__))
#define SIGSEGV_ALL_SIGNALS FAULT_HANDLER(SIGBUS)
#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, int code, struct sigcontext *scp, char *addr
#define SIGSEGV_FAULT_HANDLER_ARGS sig, code, scp, addr
#define SIGSEGV_FAULT_ADDRESS addr
@ -399,6 +404,13 @@ static sigsegv_address_t get_fault_address(struct sigcontext *scp)
#define SIGSEGV_REGISTER_FILE ((unsigned long *)&scp->sc_edi)
#define SIGSEGV_SKIP_INSTRUCTION ix86_skip_instruction
#endif
#if (defined(alpha) || defined(__alpha__))
#define SIGSEGV_ALL_SIGNALS FAULT_HANDLER(SIGSEGV)
#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, char *addr, struct sigcontext *scp
#define SIGSEGV_FAULT_HANDLER_ARGS sig, addr, scp
#define SIGSEGV_FAULT_ADDRESS addr
#define SIGSEGV_FAULT_INSTRUCTION scp->sc_pc
#endif
#endif
// Extract fault address out of a sigcontext
@ -1524,6 +1536,13 @@ static void *b_region, *e_region;
static sigsegv_return_t sigsegv_test_handler(sigsegv_address_t fault_address, sigsegv_address_t instruction_address)
{
#if DEBUG
printf("sigsegv_test_handler(%p, %p)\n", fault_address, instruction_address);
printf("expected fault at %p\n", page + REF_INDEX);
#ifdef __GNUC__
printf("expected instruction address range: %p-%p\n", b_region, e_region);
#endif
#endif
handler_called++;
if ((fault_address - REF_INDEX) != page)
exit(10);