aboutsummaryrefslogtreecommitdiffstats
path: root/toolchain/uClibc
diff options
context:
space:
mode:
authorSteven Barth <cyrus@openwrt.org>2009-02-28 01:29:00 +0000
committerSteven Barth <cyrus@openwrt.org>2009-02-28 01:29:00 +0000
commite805b29fdd6ffff314490d56ec9da3f246743f00 (patch)
treef3ddeb01c8e71170dc392d0a5df1b4d0fb1cc2a4 /toolchain/uClibc
parent80afab21fc96d21e8d045bd5cda60fee60afa839 (diff)
downloadupstream-e805b29fdd6ffff314490d56ec9da3f246743f00.tar.gz
upstream-e805b29fdd6ffff314490d56ec9da3f246743f00.tar.bz2
upstream-e805b29fdd6ffff314490d56ec9da3f246743f00.zip
Upstream fix for syscall() not setting errno on errors on MIPS
SVN-Revision: 14689
Diffstat (limited to 'toolchain/uClibc')
-rw-r--r--toolchain/uClibc/patches/160-mips_syscall.patch31
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