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better debug support

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@18 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard
2003-03-03 15:02:29 +00:00
parent 0ecfa9930c
commit 586314f2aa
4 changed files with 114 additions and 61 deletions
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27
linux-user/main.c
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@ -27,6 +27,11 @@
#include "cpu-i386.h"
#define DEBUG_LOGFILE "/tmp/gemu.log"
FILE *logfile = NULL;
int loglevel;
unsigned long x86_stack_size;
unsigned long stktop;
@ -83,7 +88,7 @@ int cpu_x86_inl(int addr)
void usage(void)
{
printf("gemu version 0.1, Copyright (c) 2003 Fabrice Bellard\n"
"usage: gemu program [arguments...]\n"
"usage: gemu [-d] program [arguments...]\n"
"Linux x86 emulator\n"
);
exit(1);
@ -95,11 +100,27 @@ int main(int argc, char **argv)
struct target_pt_regs regs1, *regs = &regs1;
struct image_info info1, *info = &info1;
CPUX86State *env;
int optind;
if (argc <= 1)
usage();
filename = argv[1];
loglevel = 0;
optind = 1;
if (argv[optind] && !strcmp(argv[optind], "-d")) {
loglevel = 1;
optind++;
}
filename = argv[optind];
/* init debug */
if (loglevel) {
logfile = fopen(DEBUG_LOGFILE, "w");
if (!logfile) {
perror(DEBUG_LOGFILE);
exit(1);
}
setvbuf(logfile, NULL, _IOLBF, 0);
}
/* Zero out regs */
memset(regs, 0, sizeof(struct target_pt_regs));