diff options
| author | Mike Frysinger <vapier@gentoo.org> | 2006-12-08 22:53:40 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2006-12-08 22:53:40 +0000 |
| commit | 808694e8a330e32741b7781467610d8cec99ae6e (patch) | |
| tree | a2114e7c67f1f88f5df4687d6ab7122892e68283 /libc/sysdeps/linux/m68k/crt1.S | |
| parent | cba2c53724a6ed35f32775ec38906268c1bbd340 (diff) | |
Richard Sandiford writes: add support for init/fini arrays in shared flat libraries
Diffstat (limited to 'libc/sysdeps/linux/m68k/crt1.S')
| -rw-r--r-- | libc/sysdeps/linux/m68k/crt1.S | 41 |
1 files changed, 35 insertions, 6 deletions
diff --git a/libc/sysdeps/linux/m68k/crt1.S b/libc/sysdeps/linux/m68k/crt1.S index 9ce14e594..a5f973fe2 100644 --- a/libc/sysdeps/linux/m68k/crt1.S +++ b/libc/sysdeps/linux/m68k/crt1.S @@ -34,6 +34,10 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +#include <features.h> +#include "m68k_pic.S" + +#ifndef L_Scrt1 /* This is the canonical entry point, usually the first thing in the text segment. The SVR4/m68k ABI says that when the entry point runs, most registers' values are unspecified, except for: @@ -60,8 +64,6 @@ 8(%sp) envp */ -#include <features.h> - .text .type _init,%function .type _fini,%function @@ -76,6 +78,17 @@ _start: the outermost frame obviously. */ sub.l %fp, %fp +#if !defined __ARCH_USE_MMU__ && defined __PIC__ + /* Set up the global pointer. The GOT is at the beginning of the + data segment, whose address is in %d5. */ + move.l %d5,%a5 + .equ have_current_got, 1 +#endif + +#ifdef __HAVE_SHARED_FLAT__ + CALL __shared_flat_add_library,%a1 +#endif + /* Extract the arguments as encoded on the stack and set up the arguments for `main': argc, argv. envp will be determined later in __libc_start_main. */ @@ -100,19 +113,35 @@ _start: /* Push the address of our own entry points to `.fini' and `.init'. */ - pea _fini - pea _init +#if defined __HAVE_SHARED_FLAT__ + PEA_TEXT __shared_flat_fini,%a1 + PEA_TEXT __shared_flat_init,%a1 +#else + PEA_TEXT _fini,%a1 + PEA_TEXT _init,%a1 +#endif pea (%a0) /* Push second argument: argv. */ move.l %d0, -(%sp) /* Push first argument: argc. */ - pea main + PEA_TEXT main,%a1 /* Call the user's main function, and exit with its value. But let the libc call main. */ - jbsr __uClibc_main + CALL __uClibc_main,%a1 illegal /* Crash if somehow `exit' does return. */ +#else + .text + .globl lib_main + .hidden lib_main + .type lib_main,@function +lib_main: + move.l %d5,%a5 + JUMP __shared_flat_add_library,%a0 + + .hidden _current_shared_library_a5_offset_ +#endif /* Define a symbol for the first piece of initialized data. */ .data |