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| author | Carmelo Amoroso <carmelo.amoroso@st.com> | 2008-06-18 16:59:33 +0000 |
|---|---|---|
| committer | Carmelo Amoroso <carmelo.amoroso@st.com> | 2008-06-18 16:59:33 +0000 |
| commit | f3c549ad2d6056d81ad709040f485a5b3b14ac79 (patch) | |
| tree | fb00d87f25aa2f07767ce0f6dd6b6cd255968ea6 /libc/sysdeps/linux/powerpc/crt1.S | |
| parent | 3d17dd647a04ad0837b063a610520fb6defb2d8d (diff) | |
| download | uClibc-alpine-f3c549ad2d6056d81ad709040f485a5b3b14ac79.tar.bz2 uClibc-alpine-f3c549ad2d6056d81ad709040f485a5b3b14ac79.tar.xz | |
Synch libc powerpc/arm/sh64/m68k/alpha/microblaze/i960/vax/e1 specific with trunk
Diffstat (limited to 'libc/sysdeps/linux/powerpc/crt1.S')
| -rw-r--r-- | libc/sysdeps/linux/powerpc/crt1.S | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/libc/sysdeps/linux/powerpc/crt1.S b/libc/sysdeps/linux/powerpc/crt1.S index 7928a7ed3..4f1494a8f 100644 --- a/libc/sysdeps/linux/powerpc/crt1.S +++ b/libc/sysdeps/linux/powerpc/crt1.S @@ -58,6 +58,13 @@ _start: mflr r31 # endif #endif + /* Set up the small data pointer in r13. */ +#ifdef __PIC__ + lwz r13,_SDA_BASE_@got(r31) +#else + lis r13,_SDA_BASE_@ha + addi r13,r13,_SDA_BASE_@l +#endif /* Set up an initial stack frame, and clear the LR. */ li r0,0 stwu r1,-16(r1) @@ -67,8 +74,11 @@ _start: lwz r4,0(r9) /* find argv one word offset from the stack pointer */ addi r5,r9,4 - mr r8,r3 /* Pass _dl_fini from ldso or NULL if statically linked - Note: using r3 instead of r7, since linux 2.6 clobbers r7 */ + mr r8,r3 /* Pass _dl_fini from ldso or NULL if statically linked */ + /* Note: PPC depends on the kernel to zero r3 before */ + /* handing over to user space, otherwise static apps */ + /* will SEGV during exit() */ + /* Ok, now run uClibc's main() -- shouldn't return */ #ifdef __PIC__ lwz r6,_init@got(r31) |