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arm nwfpe support - added code no-code-copy option - __preinit_array_start bug fix (untested) 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@612 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-02-16 21:49:03 +00:00
parent 28c4f361ac
commit c69810559b
1 changed files with 31 additions and 6 deletions
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37
linux-user/main.c
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@ -39,6 +39,8 @@ const char interp[] __attribute__((section(".interp"))) = "/lib/ld-linux.so.2";
/* for recent libc, we add these dummy symbols which are not declared /* for recent libc, we add these dummy symbols which are not declared
when generating a linked object (bug in ld ?) */ when generating a linked object (bug in ld ?) */
#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3) #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)
long __preinit_array_start[0];
long __preinit_array_end[0];
long __init_array_start[0]; long __init_array_start[0];
long __init_array_end[0]; long __init_array_end[0];
long __fini_array_start[0]; long __fini_array_start[0];
@ -254,11 +256,25 @@ void cpu_loop(CPUARMState *env)
trapnr = cpu_arm_exec(env); trapnr = cpu_arm_exec(env);
switch(trapnr) { switch(trapnr) {
case EXCP_UDEF: case EXCP_UDEF:
info.si_signo = SIGILL; {
info.si_errno = 0; TaskState *ts = env->opaque;
info.si_code = TARGET_ILL_ILLOPN; uint32_t opcode;
info._sifields._sigfault._addr = env->regs[15];
queue_signal(info.si_signo, &info); /* we handle the FPU emulation here, as Linux */
/* we get the opcode */
opcode = ldl_raw((uint8_t *)env->regs[15]);
if (EmulateAll(opcode, &ts->fpa, env->regs) == 0) {
info.si_signo = SIGILL;
info.si_errno = 0;
info.si_code = TARGET_ILL_ILLOPN;
info._sifields._sigfault._addr = env->regs[15];
queue_signal(info.si_signo, &info);
} else {
/* increment PC */
env->regs[15] += 4;
}
}
break; break;
case EXCP_SWI: case EXCP_SWI:
{ {
@ -783,6 +799,9 @@ void usage(void)
"-s size set the stack size in bytes (default=%ld)\n" "-s size set the stack size in bytes (default=%ld)\n"
"\n" "\n"
"debug options:\n" "debug options:\n"
#ifdef USE_CODE_COPY
"-no-code-copy disable code copy acceleration\n"
#endif
"-d activate log (logfile=%s)\n" "-d activate log (logfile=%s)\n"
"-p pagesize set the host page size to 'pagesize'\n", "-p pagesize set the host page size to 'pagesize'\n",
TARGET_ARCH, TARGET_ARCH,
@ -847,7 +866,13 @@ int main(int argc, char **argv)
fprintf(stderr, "page size must be a power of two\n"); fprintf(stderr, "page size must be a power of two\n");
exit(1); exit(1);
} }
} else { } else
#ifdef USE_CODE_COPY
if (!strcmp(r, "no-code-copy")) {
code_copy_enabled = 0;
} else
#endif
{
usage(); usage();
} }
} }