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Index: head/lib/libc/mips/SYS.h
===================================================================
--- head/lib/libc/mips/SYS.h
+++ head/lib/libc/mips/SYS.h
@@ -100,13 +100,31 @@
* Do a syscall that cannot fail (sync, get{p,u,g,eu,eg)id)
*/
#define RSYSCALL_NOERROR(x) \
- PSEUDO_NOERROR(x)
+LEAF(__sys_ ## x); \
+ .weak _C_LABEL(x); \
+ _C_LABEL(x) = _C_LABEL(__CONCAT(__sys_,x)); \
+ .weak _C_LABEL(__CONCAT(_,x)); \
+ _C_LABEL(__CONCAT(_,x)) = _C_LABEL(__CONCAT(__sys_,x)); \
+ SYSTRAP(x); \
+ j ra; \
+END(__sys_ ## x)
/*
* Do a normal syscall.
*/
#define RSYSCALL(x) \
- PSEUDO(x)
+LEAF(__sys_ ## x); \
+ .weak _C_LABEL(x); \
+ _C_LABEL(x) = _C_LABEL(__CONCAT(__sys_,x)); \
+ .weak _C_LABEL(__CONCAT(_,x)); \
+ _C_LABEL(__CONCAT(_,x)) = _C_LABEL(__CONCAT(__sys_,x)); \
+ PIC_PROLOGUE(__sys_ ## x); \
+ SYSTRAP(x); \
+ bne a3,zero,err; \
+ PIC_RETURN(); \
+err: \
+ PIC_TAILCALL(__cerror); \
+END(__sys_ ## x)
/*
* Do a renamed or pseudo syscall (e.g., _exit()), where the entrypoint
@@ -114,18 +132,14 @@
*/
#define PSEUDO_NOERROR(x) \
LEAF(__sys_ ## x); \
- .weak _C_LABEL(x); \
- _C_LABEL(x) = _C_LABEL(__CONCAT(__sys_,x)); \
.weak _C_LABEL(__CONCAT(_,x)); \
_C_LABEL(__CONCAT(_,x)) = _C_LABEL(__CONCAT(__sys_,x)); \
SYSTRAP(x); \
j ra; \
- END(__sys_ ## x)
+END(__sys_ ## x)
#define PSEUDO(x) \
LEAF(__sys_ ## x); \
- .weak _C_LABEL(x); \
- _C_LABEL(x) = _C_LABEL(__CONCAT(__sys_,x)); \
.weak _C_LABEL(__CONCAT(_,x)); \
_C_LABEL(__CONCAT(_,x)) = _C_LABEL(__CONCAT(__sys_,x)); \
PIC_PROLOGUE(__sys_ ## x); \

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