From 7669d1e334e6b96455eece78da43bf830b93d697 Mon Sep 17 00:00:00 2001 From: Richard Pennington Date: Fri, 9 Nov 2012 23:32:57 +0100 Subject: import preliminary ppc work by rdp. --- crt/ppc/crt1.S | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 crt/ppc/crt1.S (limited to 'crt') diff --git a/crt/ppc/crt1.S b/crt/ppc/crt1.S new file mode 100644 index 0000000..abf6407 --- /dev/null +++ b/crt/ppc/crt1.S @@ -0,0 +1,27 @@ +#include + .weak _init + .weak _fini + .global _start + .type _start, %function +_start: + mr r9, r1 // Save the original stack pointer. + clrrwi r1, r1, 4 // Align the stack to 16 bytes. + lis r13, _SDA_BASE_@ha // r13 points to the small data area. + addi r13, r13, _SDA_BASE_@l // + li r0, 0 // Zero the frame pointer. + stwu r1, -16(r1) // The initial stack frame. + mtlr r0 // Clear the link register. + stw r0, 0(r1) // And save it. + lis r3, main@ha // Get main() ... + addi r3, r3, main@l + lwz r4, 0(r9) // and argc... + addi r5, r9, 4 // and argv ... + lis r6, _init@ha // and _init() ... + addi r6, r6, _init@l + lis r7, _fini@ha // and _fini() ... + addi r7, r7, _fini@l + li r8, 0 // ldso_fini == NULL + bl __libc_start_main // Let's go! + b . // Never gets here. + .end _start + .size _start, .-_start -- cgit v1.1