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Arg processing for prefs file path, include some extra stuff

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(SEGV and JIT) from latest unix version of file
This commit is contained in:
nigel 2003-04-02 00:50:40 +00:00
parent b97f09221e
commit 2e41901fb0
1 changed files with 55 additions and 7 deletions
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62
BasiliskII/src/MacOSX/main_macosx.mm
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@ -32,20 +32,27 @@
# include <sys/mman.h>
#endif
#include <string>
using std::string;
#include "cpu_emulation.h"
#include "macos_util_macosx.h"
#include "main.h"
#include "prefs.h"
#include "prefs_editor.h"
#include "rom_patches.h"
#include "sigsegv.h"
#include "sys.h"
#include "timer.h"
#include "user_strings.h"
#include "version.h"
#include "video.h"
#include "vm_alloc.h"
#include "xpram.h"
#if USE_JIT
extern void (*flush_icache)(int); // from compemu_support.cpp
#endif
#ifdef ENABLE_MON
# include "mon.h"
#endif
@ -61,7 +68,6 @@
// Constants
const char ROM_FILE_NAME[] = "ROM";
const int SIG_STACK_SIZE = SIGSTKSZ; // Size of signal stack
const int SCRATCH_MEM_SIZE = 0x10000; // Size of scratch memory area
@ -91,11 +97,6 @@ static pthread_mutex_t intflag_lock = PTHREAD_MUTEX_INITIALIZER; // Mutex to pro
uint8 *ScratchMem = NULL; // Scratch memory for Mac ROM writes
#endif
#if defined(HAVE_TIMER_CREATE) && defined(_POSIX_REALTIME_SIGNALS)
#define SIG_TIMER SIGRTMIN
static timer_t timer; // 60Hz timer
#endif
#ifdef ENABLE_MON
static struct sigaction sigint_sa; // sigaction for SIGINT handler
static void sigint_handler(...);
@ -106,6 +107,31 @@ static bool lm_area_mapped = false; // Flag: Low Memory area mmap()ped
#endif
/*
* Dump state when everything went wrong after a SEGV
*/
static void sigsegv_dump_state(sigsegv_address_t fault_address, sigsegv_address_t fault_instruction)
{
fprintf(stderr, "Caught SIGSEGV at address %p", fault_address);
if (fault_instruction != SIGSEGV_INVALID_PC)
fprintf(stderr, " [IP=%p]", fault_instruction);
fprintf(stderr, "\n");
uaecptr nextpc;
extern void m68k_dumpstate(uaecptr *nextpc);
m68k_dumpstate(&nextpc);
#if USE_JIT && JIT_DEBUG
extern void compiler_dumpstate(void);
compiler_dumpstate();
#endif
VideoQuitFullScreen();
#ifdef ENABLE_MON
char *arg[4] = {"mon", "-m", "-r", NULL};
mon(3, arg);
QuitEmulator();
#endif
}
/*
* Main program
@ -116,8 +142,10 @@ static void usage(const char *prg_name)
printf("Usage: %s [OPTION...]\n", prg_name);
printf("\nUnix options:\n");
printf(" --help\n display this usage message\n");
printf(" --config FILE\n read/write configuration from/to FILE\n");
printf(" --break ADDRESS\n set ROM breakpoint\n");
printf(" --rominfo\n dump ROM information\n");
LoadPrefs(); // read the prefs file so PrefsPrintUsage() will print the correct default values
PrefsPrintUsage();
exit(0);
}
@ -147,6 +175,13 @@ int main(int argc, char **argv)
i++;
if (i < argc)
ROMBreakpoint = strtol(argv[i], NULL, 0);
} else if (strcmp(argv[i], "--config") == 0) {
argv[i++] = NULL;
if (i < argc) {
extern string UserPrefsPath; // from prefs_unix.cpp
UserPrefsPath = argv[i];
argv[i] = NULL;
}
} else if (strcmp(argv[i], "--rominfo") == 0) {
PrintROMInfo = true;
} else if (argv[i][0] == '-') {
@ -179,6 +214,15 @@ bool InitEmulator (void)
char str[256];
// Register request to ignore segmentation faults
#ifdef HAVE_SIGSEGV_SKIP_INSTRUCTION
if (PrefsFindBool("ignoresegv"))
sigsegv_set_ignore_state(true);
#endif
// Register dump state function when we got mad after a segfault
sigsegv_set_dump_state(sigsegv_dump_state);
// Read RAM size
RAMSize = PrefsFindInt32("ramsize") & 0xfff00000; // Round down to 1MB boundary
if (RAMSize < 1024*1024) {
@ -383,6 +427,10 @@ void QuitEmulator(void)
void FlushCodeCache(void *start, uint32 size)
{
#if USE_JIT
if (UseJIT)
flush_icache(-1);
#endif
}