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mips-linux-user: Fix n32 and n64 syscalls

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Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Richard Henderson 2013-02-10 10:30:45 -08:00 committed by Aurelien Jarno
parent 084d0497a0
commit ff4f738281
1 changed files with 18 additions and 7 deletions
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25
linux-user/main.c
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@ -1787,8 +1787,8 @@ void cpu_loop(CPUPPCState *env)
#ifdef TARGET_MIPS
#define MIPS_SYS(name, args) args,
# ifdef TARGET_ABI_MIPSO32
# define MIPS_SYS(name, args) args,
static const uint8_t mips_syscall_args[] = {
MIPS_SYS(sys_syscall , 8) /* 4000 */
MIPS_SYS(sys_exit , 1)
@ -2134,8 +2134,8 @@ static const uint8_t mips_syscall_args[] = {
MIPS_SYS(sys_clock_adjtime, 2)
MIPS_SYS(sys_syncfs, 1)
};
#undef MIPS_SYS
# undef MIPS_SYS
# endif /* O32 */
static int do_store_exclusive(CPUMIPSState *env)
{
@ -2217,8 +2217,11 @@ void cpu_loop(CPUMIPSState *env)
{
CPUState *cs = CPU(mips_env_get_cpu(env));
target_siginfo_t info;
int trapnr, ret;
int trapnr;
abi_long ret;
# ifdef TARGET_ABI_MIPSO32
unsigned int syscall_num;
# endif
for(;;) {
cpu_exec_start(cs);
@ -2226,8 +2229,9 @@ void cpu_loop(CPUMIPSState *env)
cpu_exec_end(cs);
switch(trapnr) {
case EXCP_SYSCALL:
syscall_num = env->active_tc.gpr[2] - 4000;
env->active_tc.PC += 4;
# ifdef TARGET_ABI_MIPSO32
syscall_num = env->active_tc.gpr[2] - 4000;
if (syscall_num >= sizeof(mips_syscall_args)) {
ret = -TARGET_ENOSYS;
} else {
@ -2266,12 +2270,19 @@ void cpu_loop(CPUMIPSState *env)
arg5, arg6, arg7, arg8);
}
done_syscall:
# else
ret = do_syscall(env, env->active_tc.gpr[2],
env->active_tc.gpr[4], env->active_tc.gpr[5],
env->active_tc.gpr[6], env->active_tc.gpr[7],
env->active_tc.gpr[8], env->active_tc.gpr[9],
env->active_tc.gpr[10], env->active_tc.gpr[11]);
# endif /* O32 */
if (ret == -TARGET_QEMU_ESIGRETURN) {
/* Returning from a successful sigreturn syscall.
Avoid clobbering register state. */
break;
}
if ((unsigned int)ret >= (unsigned int)(-1133)) {
if ((abi_ulong)ret >= (abi_ulong)-1133) {
env->active_tc.gpr[7] = 1; /* error flag */
ret = -ret;
} else {