This value is fully internal to qemu, and so is not a TARGET define.
We use this as an extra marker for both host and target errno.
Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
env->xregs[4],
env->xregs[5],
0, 0);
- if (ret == -TARGET_ERESTARTSYS) {
+ if (ret == -QEMU_ERESTARTSYS) {
env->pc -= 4;
} else if (ret != -TARGET_QEMU_ESIGRETURN) {
env->xregs[0] = ret;
env->ir[IR_A2], env->ir[IR_A3],
env->ir[IR_A4], env->ir[IR_A5],
0, 0);
- if (sysret == -TARGET_ERESTARTSYS) {
+ if (sysret == -QEMU_ERESTARTSYS) {
env->pc -= 4;
break;
}
env->regs[4],
env->regs[5],
0, 0);
- if (ret == -TARGET_ERESTARTSYS) {
+ if (ret == -QEMU_ERESTARTSYS) {
env->regs[15] -= env->thumb ? 2 : 4;
} else if (ret != -TARGET_QEMU_ESIGRETURN) {
env->regs[0] = ret;
env->pregs[7],
env->pregs[11],
0, 0);
- if (ret == -TARGET_ERESTARTSYS) {
+ if (ret == -QEMU_ERESTARTSYS) {
env->pc -= 2;
} else if (ret != -TARGET_QEMU_ESIGRETURN) {
env->regs[10] = ret;
* after handling any pending signals. They match with the ones the guest
* kernel uses for the same purpose.
*/
-#define TARGET_ERESTARTSYS 512 /* Restart system call (if SA_RESTART) */
+#define QEMU_ERESTARTSYS 512 /* Restart system call (if SA_RESTART) */
/* QEMU internal, not visible to the guest. This is returned by the
* do_sigreturn() code after a successful sigreturn syscall, to indicate
env->gpr[4],
env->gpr[5],
0, 0);
- if (ret == -TARGET_ERESTARTSYS) {
+ if (ret == -QEMU_ERESTARTSYS) {
env->gpr[HEX_REG_PC] -= 4;
} else if (ret != -TARGET_QEMU_ESIGRETURN) {
env->gpr[0] = ret;
b safe_syscall_set_errno_tail
/* code path when we didn't execute the syscall */
-2: mov w0, #TARGET_ERESTARTSYS
+2: mov w0, #QEMU_ERESTARTSYS
b safe_syscall_set_errno_tail
-
.cfi_endproc
.size safe_syscall_base, .-safe_syscall_base
pop { r4, r5, r6, r7, r8, pc }
/* code path when we didn't execute the syscall */
-2: mov r0, #TARGET_ERESTARTSYS
+2: mov r0, #QEMU_ERESTARTSYS
/* code path setting errno */
1: pop { r4, r5, r6, r7, r8, lr }
jmp 1f
/* code path when we didn't execute the syscall */
-2: mov $TARGET_ERESTARTSYS, %eax
+2: mov $QEMU_ERESTARTSYS, %eax
/* code path setting errno */
1: pop %ebx
PTR_ADDIU sp, sp, FRAME
.cfi_adjust_cfa_offset -FRAME
.cfi_restore s0
- li v0, TARGET_ERESTARTSYS
+ li v0, QEMU_ERESTARTSYS
/* code path setting errno */
/*
/* code path when we didn't execute the syscall */
2: ld 14, 16(1) /* restore r14 */
- addi 3, 0, TARGET_ERESTARTSYS
+ addi 3, 0, QEMU_ERESTARTSYS
/* code path setting errno */
1: b safe_syscall_set_errno_tail
j safe_syscall_set_errno_tail
/* code path when we didn't execute the syscall */
-2: li a0, TARGET_ERESTARTSYS
+2: li a0, QEMU_ERESTARTSYS
j safe_syscall_set_errno_tail
.cfi_endproc
2: lg %r15,0(%r15) /* load back chain */
.cfi_adjust_cfa_offset -160
lmg %r6,%r15,48(%r15) /* load saved registers */
- lghi %r2, TARGET_ERESTARTSYS
+ lghi %r2, QEMU_ERESTARTSYS
jg safe_syscall_set_errno_tail
.cfi_endproc
nop
/* code path when we didn't execute the syscall */
-2: set TARGET_ERESTARTSYS, %o0
+2: set QEMU_ERESTARTSYS, %o0
/* code path setting errno */
1: mov %o7, %g1
jmp 1f
/* code path when we didn't execute the syscall */
-2: mov $TARGET_ERESTARTSYS, %eax
+2: mov $QEMU_ERESTARTSYS, %eax
/* code path setting errno */
1: pop %rbp
env->iaoq_f = env->gr[31];
env->iaoq_b = env->gr[31] + 4;
break;
- case -TARGET_ERESTARTSYS:
+ case -QEMU_ERESTARTSYS:
case -TARGET_QEMU_ESIGRETURN:
break;
}
ret = do_syscall(env, syscall, env->regs[R_EDI], env->regs[R_ESI],
env->regs[R_EDX], env->regs[10], env->regs[8],
env->regs[9], 0, 0);
- g_assert(ret != -TARGET_ERESTARTSYS);
+ g_assert(ret != -QEMU_ERESTARTSYS);
g_assert(ret != -TARGET_QEMU_ESIGRETURN);
if (ret == -TARGET_EFAULT) {
goto sigsegv;
env->regs[R_EDI],
env->regs[R_EBP],
0, 0);
- if (ret == -TARGET_ERESTARTSYS) {
+ if (ret == -QEMU_ERESTARTSYS) {
env->eip -= 2;
} else if (ret != -TARGET_QEMU_ESIGRETURN) {
env->regs[R_EAX] = ret;
env->regs[8],
env->regs[9],
0, 0);
- if (ret == -TARGET_ERESTARTSYS) {
+ if (ret == -QEMU_ERESTARTSYS) {
env->eip -= 2;
} else if (ret != -TARGET_QEMU_ESIGRETURN) {
env->regs[R_EAX] = ret;
env->dregs[5],
env->aregs[0],
0, 0);
- if (ret == -TARGET_ERESTARTSYS) {
+ if (ret == -QEMU_ERESTARTSYS) {
env->pc -= 2;
} else if (ret != -TARGET_QEMU_ESIGRETURN) {
env->dregs[0] = ret;
env->regs[9],
env->regs[10],
0, 0);
- if (ret == -TARGET_ERESTARTSYS) {
+ if (ret == -QEMU_ERESTARTSYS) {
/* Wind back to before the syscall. */
env->pc -= 4;
} else if (ret != -TARGET_QEMU_ESIGRETURN) {
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_ERESTARTSYS) {
+ if (ret == -QEMU_ERESTARTSYS) {
env->active_tc.PC -= 4;
break;
}
cpu_get_gpr(env, 6),
cpu_get_gpr(env, 7),
cpu_get_gpr(env, 8), 0, 0);
- if (ret == -TARGET_ERESTARTSYS) {
+ if (ret == -QEMU_ERESTARTSYS) {
env->pc -= 4;
} else if (ret != -TARGET_QEMU_ESIGRETURN) {
cpu_set_gpr(env, 11, ret);
ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4],
env->gpr[5], env->gpr[6], env->gpr[7],
env->gpr[8], 0, 0);
- if (ret == -TARGET_ERESTARTSYS) {
+ if (ret == -QEMU_ERESTARTSYS) {
env->nip -= 4;
break;
}
env->gpr[xA5],
0, 0);
}
- if (ret == -TARGET_ERESTARTSYS) {
+ if (ret == -QEMU_ERESTARTSYS) {
env->pc -= 4;
} else if (ret != -TARGET_QEMU_ESIGRETURN) {
env->gpr[xA0] = ret;
ret = do_syscall(env, n, env->regs[2], env->regs[3],
env->regs[4], env->regs[5],
env->regs[6], env->regs[7], 0, 0);
- if (ret == -TARGET_ERESTARTSYS) {
+ if (ret == -QEMU_ERESTARTSYS) {
env->psw.addr -= env->int_svc_ilen;
} else if (ret != -TARGET_QEMU_ESIGRETURN) {
env->regs[2] = ret;
*
* Call a system call if guest signal not pending.
* This has the same API as the libc syscall() function, except that it
- * may return -1 with errno == TARGET_ERESTARTSYS if a signal was pending.
+ * may return -1 with errno == QEMU_ERESTARTSYS if a signal was pending.
*
* Returns: the system call result, or -1 with an error code in errno
- * (Errnos are host errnos; we rely on TARGET_ERESTARTSYS not clashing
+ * (Errnos are host errnos; we rely on QEMU_ERESTARTSYS not clashing
* with any of the host errno values.)
*/
* which are only technically blocking (ie which we know in practice won't
* stay in the host kernel indefinitely) it's OK to use libc if necessary.
* You must be able to cope with backing out correctly if some safe_syscall
- * you make in the implementation returns either -TARGET_ERESTARTSYS or
+ * you make in the implementation returns either -QEMU_ERESTARTSYS or
* EINTR though.)
*
* block_signals() cannot be used for interruptible syscalls.
* handler checks the interrupted host PC against the addresse of that
* known section. If the PC is before or at the address of the syscall
* instruction then we change the PC to point at a "return
- * -TARGET_ERESTARTSYS" code path instead, and then exit the signal handler
+ * -QEMU_ERESTARTSYS" code path instead, and then exit the signal handler
* (causing the safe_syscall() call to immediately return that value).
* Then in the main.c loop if we see this magic return value we adjust
* the guest PC to wind it back to before the system call, and invoke
env->gregs[0],
env->gregs[1],
0, 0);
- if (ret == -TARGET_ERESTARTSYS) {
+ if (ret == -QEMU_ERESTARTSYS) {
env->pc -= 2;
} else if (ret != -TARGET_QEMU_ESIGRETURN) {
env->gregs[0] = ret;
* Block all signals, and arrange that the signal mask is returned to
* its correct value for the guest before we resume execution of guest code.
* If this function returns non-zero, then the caller should immediately
- * return -TARGET_ERESTARTSYS to the main loop, which will take the pending
+ * return -QEMU_ERESTARTSYS to the main loop, which will take the pending
* signal and restart execution of the syscall.
* If block_signals() returns zero, then the caller can continue with
* emulation of the system call knowing that no signals can be taken
/* Wrapper for sigprocmask function
* Emulates a sigprocmask in a safe way for the guest. Note that set and oldset
- * are host signal set, not guest ones. Returns -TARGET_ERESTARTSYS if
+ * are host signal set, not guest ones. Returns -QEMU_ERESTARTSYS if
* a signal was already pending and the syscall must be restarted, or
* 0 on success.
* If set is NULL, this is guaranteed not to fail.
int i;
if (block_signals()) {
- return -TARGET_ERESTARTSYS;
+ return -QEMU_ERESTARTSYS;
}
switch (how) {
}
if (block_signals()) {
- return -TARGET_ERESTARTSYS;
+ return -QEMU_ERESTARTSYS;
}
k = &sigact_table[sig - 1];
env->regwptr[2], env->regwptr[3],
env->regwptr[4], env->regwptr[5],
0, 0);
- if (ret == -TARGET_ERESTARTSYS || ret == -TARGET_QEMU_ESIGRETURN) {
+ if (ret == -QEMU_ERESTARTSYS || ret == -TARGET_QEMU_ESIGRETURN) {
break;
}
if ((abi_ulong)ret >= (abi_ulong)(-515)) {
const char *target_strerror(int err)
{
- if (err == TARGET_ERESTARTSYS) {
+ if (err == QEMU_ERESTARTSYS) {
return "To be restarted";
}
if (err == TARGET_QEMU_ESIGRETURN) {
}
if (block_signals()) {
- return -TARGET_ERESTARTSYS;
+ return -QEMU_ERESTARTSYS;
}
fork_start();
Do thread termination if we have more then one thread. */
if (block_signals()) {
- return -TARGET_ERESTARTSYS;
+ return -QEMU_ERESTARTSYS;
}
pthread_mutex_lock(&clone_lock);
#endif
ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask,
SIGSET_T_SIZE));
- if (ret != -TARGET_ERESTARTSYS) {
+ if (ret != -QEMU_ERESTARTSYS) {
ts->in_sigsuspend = 1;
}
}
unlock_user(p, arg1, 0);
ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask,
SIGSET_T_SIZE));
- if (ret != -TARGET_ERESTARTSYS) {
+ if (ret != -QEMU_ERESTARTSYS) {
ts->in_sigsuspend = 1;
}
}
#ifdef TARGET_NR_sigreturn
case TARGET_NR_sigreturn:
if (block_signals()) {
- return -TARGET_ERESTARTSYS;
+ return -QEMU_ERESTARTSYS;
}
return do_sigreturn(cpu_env);
#endif
case TARGET_NR_rt_sigreturn:
if (block_signals()) {
- return -TARGET_ERESTARTSYS;
+ return -QEMU_ERESTARTSYS;
}
return do_rt_sigreturn(cpu_env);
case TARGET_NR_sethostname:
static bool flag;
flag = !flag;
if (flag) {
- return -TARGET_ERESTARTSYS;
+ return -QEMU_ERESTARTSYS;
}
}
#endif
env->regs[2] = ret;
break;
- case -TARGET_ERESTARTSYS:
+ case -QEMU_ERESTARTSYS:
env->pc -= 3;
break;
projects / mirror_qemu.git / commitdiff