@@ -198,19 +198,6 @@ static void uhi_fstat_cb(CPUState *cs, uint64_t ret, int err)
uhi_cb(cs, ret, err);
}
-#define GET_TARGET_STRING(p, addr) \
- do { \
- p = lock_user_string(addr); \
- if (!p) { \
- report_fault(env); \
- } \
- } while (0)
-
-#define FREE_TARGET_STRING(p, gpr) \
- do { \
- unlock_user(p, gpr, 0); \
- } while (0)
-
void mips_semihosting(CPUMIPSState *env)
{
CPUState *cs = env_cpu(env);
@@ -225,9 +212,13 @@ void mips_semihosting(CPUMIPSState *env)
case UHI_open:
{
+ target_ulong fname = gpr[4];
int ret = -1;
- GET_TARGET_STRING(p, gpr[4]);
+ p = lock_user_string(fname);
+ if (!p) {
+ report_fault(env);
+ }
if (!strcmp("/dev/stdin", p)) {
ret = 0;
} else if (!strcmp("/dev/stdout", p)) {
@@ -235,7 +226,7 @@ void mips_semihosting(CPUMIPSState *env)
} else if (!strcmp("/dev/stderr", p)) {
ret = 2;
}
- FREE_TARGET_STRING(p, gpr[4]);
+ unlock_user(p, fname, 0);
/* FIXME: reusing a guest fd doesn't seem correct. */
if (ret >= 0) {
@@ -243,7 +234,7 @@ void mips_semihosting(CPUMIPSState *env)
break;
}
- semihost_sys_open(cs, uhi_cb, gpr[4], 0, gpr[5], gpr[6]);
+ semihost_sys_open(cs, uhi_cb, fname, 0, gpr[5], gpr[6]);
}
break;
@@ -314,14 +305,14 @@ void mips_semihosting(CPUMIPSState *env)
pct_d = strstr(p, "%d");
if (!pct_d) {
- FREE_TARGET_STRING(p, addr);
+ unlock_user(p, addr, 0);
semihost_sys_write(cs, uhi_cb, 2, addr, len);
break;
}
str = g_string_new_len(p, pct_d - p);
g_string_append_printf(str, "%d%s", (int)gpr[5], pct_d + 2);
- FREE_TARGET_STRING(p, addr);
+ unlock_user(p, addr, 0);
/*
* When we're using gdb, we need a guest address, so