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Diffstat (limited to 'libc/sysdeps/linux/frv/bits')
-rw-r--r--libc/sysdeps/linux/frv/bits/syscalls.h20
1 files changed, 17 insertions, 3 deletions
diff --git a/libc/sysdeps/linux/frv/bits/syscalls.h b/libc/sysdeps/linux/frv/bits/syscalls.h
index 552f7e7c4..44dba866b 100644
--- a/libc/sysdeps/linux/frv/bits/syscalls.h
+++ b/libc/sysdeps/linux/frv/bits/syscalls.h
@@ -19,15 +19,29 @@
#ifndef __ASSEMBLER__
/* user-visible error numbers are in the range -1 - -4095: see <asm-frv/errno.h> */
-#define __syscall_return(type, res) \
+#ifdef _LIBC
+# define __syscall_return(type, res) \
do { \
unsigned long __sr2 = (res); \
- if ((unsigned long)(__sr2) >= (unsigned long)(-4095)) { \
- __set_errno (-(__sr2)); \
+ if (__builtin_expect ((unsigned long)(__sr2) \
+ >= (unsigned long)(-4095), 0)) { \
+ extern int __syscall_error (int); \
+ return (type) __syscall_error (__sr2); \
+ } \
+ return (type) (__sr2); \
+} while (0)
+#else
+# define __syscall_return(type, res) \
+do { \
+ unsigned long __sr2 = (res); \
+ if (__builtin_expect ((unsigned long)(__sr2) \
+ >= (unsigned long)(-4095), 0)) { \
+ __set_errno (-__sr2); \
__sr2 = -1; \
} \
return (type) (__sr2); \
} while (0)
+#endif
/* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */