diff options
| author | cyrus <cyrus@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2009-02-28 01:29:00 +0000 |
|---|---|---|
| committer | cyrus <cyrus@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2009-02-28 01:29:00 +0000 |
| commit | d4331562d788729ca2a61182e2814328b5b4c137 (patch) | |
| tree | fee57ac1e87145b6236d383f80bd96884237351c /toolchain/uClibc/patches | |
| parent | adc3f3a1c54ba50ca108e01cf1a28f5fbc7c707d (diff) | |
Upstream fix for syscall() not setting errno on errors on MIPS
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14689 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'toolchain/uClibc/patches')
| -rw-r--r-- | toolchain/uClibc/patches/160-mips_syscall.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/toolchain/uClibc/patches/160-mips_syscall.patch b/toolchain/uClibc/patches/160-mips_syscall.patch new file mode 100644 index 0000000000..c5e5f6b468 --- /dev/null +++ b/toolchain/uClibc/patches/160-mips_syscall.patch @@ -0,0 +1,31 @@ +--- uClibc-0.9.29.orig/libc/sysdeps/linux/mips/syscall.S 2009-02-27 19:26:57.420288905 +0100 ++++ uClibc-0.9.29/libc/sysdeps/linux/mips/syscall.S 2009-02-27 19:43:18.000000000 +0100 +@@ -29,6 +29,9 @@ + .type syscall,@function + .ent syscall + syscall: ++#ifdef __PIC__ ++ SETUP_GP ++#endif + move v0, a0 /* Load system call number from first arg. */ + move a0, a1 /* Move the next three args up a register. */ + move a1, a2 +@@ -60,6 +63,18 @@ + #else + addiu sp,sp,32 + #endif ++ bnez a3, 1f + j ra /* Return to caller. */ ++1: ++ move a0,v0 /* Pass return val to C function. */ ++ ++#ifdef __PIC__ ++ SETUP_GP64(v0, syscall) ++ PTR_LA t9, __syscall_error ++ RESTORE_GP64 ++ jr t9 ++#else ++ j __syscall_error ++#endif + .end syscall + .size syscall,.-syscall |