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fix merge with Mach exception filters, we have preconditions to check

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This commit is contained in:
gbeauche 2003-10-13 20:15:41 +00:00
parent 6a60d56bf2
commit 75df809ff7
1 changed files with 5 additions and 4 deletions
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9
BasiliskII/src/Unix/sigsegv.cpp
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@ -212,7 +212,6 @@ static void powerpc_decode_instruction(instruction_t *instruction, unsigned int
#if HAVE_SIGINFO_T
// Generic extended signal handler
#define SIGSEGV_FAULT_HANDLER sigsegv_fault_handler
#if defined(__NetBSD__) || defined(__FreeBSD__)
#define SIGSEGV_ALL_SIGNALS FAULT_HANDLER(SIGBUS)
#else
@ -257,7 +256,6 @@ static void powerpc_decode_instruction(instruction_t *instruction, unsigned int
#endif
#if HAVE_SIGCONTEXT_SUBTERFUGE
#define SIGSEGV_FAULT_HANDLER sigsegv_fault_handler
// Linux kernels prior to 2.4 ?
#if defined(__linux__)
#define SIGSEGV_ALL_SIGNALS FAULT_HANDLER(SIGSEGV)
@ -470,7 +468,7 @@ if (ret != KERN_SUCCESS) { \
#define SIGSEGV_FAULT_ADDRESS code[1]
#define SIGSEGV_FAULT_INSTRUCTION get_fault_instruction(thread, state)
#define SIGSEGV_FAULT_HANDLER (code[0] == KERN_PROTECTION_FAILURE) && sigsegv_fault_handler
#define SIGSEGV_FAULT_HANDLER_INVOKE(ADDR, IP) ((code[0] == KERN_PROTECTION_FAILURE) ? sigsegv_fault_handler(ADDR, IP) : SIGSEGV_RETURN_FAILURE)
#define SIGSEGV_FAULT_HANDLER_ARGLIST mach_port_t thread, exception_data_t code, ppc_thread_state_t *state
#define SIGSEGV_FAULT_HANDLER_ARGS thread, code, &state
#define SIGSEGV_SKIP_INSTRUCTION powerpc_skip_instruction
@ -784,6 +782,9 @@ static bool powerpc_skip_instruction(unsigned int * nip_p, unsigned int * regs)
#ifndef SIGSEGV_FAULT_HANDLER_ARGLIST_1
#define SIGSEGV_FAULT_HANDLER_ARGLIST_1 SIGSEGV_FAULT_HANDLER_ARGLIST
#endif
#ifndef SIGSEGV_FAULT_HANDLER_INVOKE
#define SIGSEGV_FAULT_HANDLER_INVOKE(ADDR, IP) sigsegv_fault_handler(ADDR, IP)
#endif
// SIGSEGV recovery supported ?
#if defined(SIGSEGV_ALL_SIGNALS) && defined(SIGSEGV_FAULT_HANDLER_ARGLIST) && defined(SIGSEGV_FAULT_ADDRESS)
@ -804,7 +805,7 @@ static bool handle_badaccess(SIGSEGV_FAULT_HANDLER_ARGLIST_1)
sigsegv_address_t fault_instruction = (sigsegv_address_t)SIGSEGV_FAULT_INSTRUCTION;
// Call user's handler and reinstall the global handler, if required
switch (sigsegv_fault_handler(fault_address, fault_instruction)) {
switch (SIGSEGV_FAULT_HANDLER_INVOKE(fault_address, fault_instruction)) {
case SIGSEGV_RETURN_SUCCESS:
return true;