diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc32/elf/start.S')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/elf/start.S | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/sysdeps/powerpc/powerpc32/elf/start.S b/sysdeps/powerpc/powerpc32/elf/start.S index 04e3d358f1..5a01a74831 100644 --- a/sysdeps/powerpc/powerpc32/elf/start.S +++ b/sysdeps/powerpc/powerpc32/elf/start.S @@ -1,5 +1,5 @@ /* Startup code for programs linked with GNU libc. - Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. + Copyright (C) 1998,1999,2000,2001,2002,2003 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -21,29 +21,50 @@ #include "bp-sym.h" /* These are the various addresses we require. */ +#ifdef PIC + .section ".data" +#else .section ".rodata" +#endif .align 2 L(start_addresses): .long _SDA_BASE_ - .long JUMPTARGET(BP_SYM (main)) - .long JUMPTARGET(__libc_csu_init) - .long JUMPTARGET(__libc_csu_fini) + .long BP_SYM (main) + .long __libc_csu_init + .long __libc_csu_fini ASM_SIZE_DIRECTIVE(L(start_addresses)) .section ".text" +#ifdef PIC +L(start_addressesp): + .long L(start_addresses)-L(branch) +#endif ENTRY(_start) /* Save the stack pointer, in case we're statically linked under Linux. */ mr r9,r1 /* Set up an initial stack frame, and clear the LR. */ clrrwi r1,r1,4 +#ifdef PIC + bcl 20,31,L(branch) +L(branch): + li r0,0 + mflr r13 +#else li r0,0 +#endif stwu r1,-16(r1) mtlr r0 stw r0,0(r1) /* Set r13 to point at the 'small data area', and put the address of start_addresses in r8... */ +#ifdef PIC + lwz r8,L(start_addressesp)-L(branch)(r13) + add r8,r13,r8 + lwz r13,0(r8) +#else lis r8,L(start_addresses)@ha lwzu r13,L(start_addresses)@l(r8) +#endif /* and continue in libc-start, in glibc. */ b JUMPTARGET(BP_SYM (__libc_start_main)) END(_start) |