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| author | Roland McGrath <roland@gnu.org> | 2001-11-10 00:37:59 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 2001-11-10 00:37:59 +0000 |
| commit | 7d0c5823985d8d2be48cbc23b5099633bedceef4 (patch) | |
| tree | 74f4b2b676d08cccbfa7bc926f5a061fbb6dac7a /sysdeps/mach/hurd/powerpc/static-start.S | |
| parent | d0bf7991d6e87ffd4f378b2f7af4b3f16dfa96ee (diff) | |
| download | glibc-7d0c5823985d8d2be48cbc23b5099633bedceef4.tar.gz glibc-7d0c5823985d8d2be48cbc23b5099633bedceef4.tar.xz glibc-7d0c5823985d8d2be48cbc23b5099633bedceef4.zip | |
Hurd/PowerPC port contributed by Peter Bruin <pjbruin@dds.nl>.
* NEWS: Mention it. * sysdeps/mach/hurd/powerpc/exc2signal.c: New file. * sysdeps/mach/hurd/powerpc/init-first.c: New file. * sysdeps/mach/hurd/powerpc/intr-msg.h: New file. * sysdeps/mach/hurd/powerpc/longjmp-ts.c: New file. * sysdeps/mach/hurd/powerpc/register-dump.h: New file. * sysdeps/mach/hurd/powerpc/sigreturn.c: New file. * sysdeps/mach/hurd/powerpc/static-start.S: New file. * sysdeps/mach/hurd/powerpc/trampoline.c: New file. * sysdeps/mach/hurd/powerpc/bits/sigcontext.h: New file. * sysdeps/mach/hurd/powerpc/Dist: New file.
Diffstat (limited to 'sysdeps/mach/hurd/powerpc/static-start.S')
| -rw-r--r-- | sysdeps/mach/hurd/powerpc/static-start.S | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/powerpc/static-start.S b/sysdeps/mach/hurd/powerpc/static-start.S new file mode 100644 index 0000000000..209972c426 --- /dev/null +++ b/sysdeps/mach/hurd/powerpc/static-start.S @@ -0,0 +1,59 @@ +/* Startup code for statically linked Hurd/PowerPC binaries. + Copyright (C) 1998,2001 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 + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sysdep.h> + + /* These are the various addresses we require. */ + .section ".rodata" + .align 2 + weak_extern(_init) + weak_extern(_fini) +L(start_addresses): + .long _SDA_BASE_ + .long JUMPTARGET(main) + .long JUMPTARGET(_init) + .long JUMPTARGET(_fini) + ASM_SIZE_DIRECTIVE(L(start_addresses)) + + .section ".text" +ENTRY(_start) + /* Save the stack pointer to pass to _hurd_stack_setup. */ + mr r3,r1 + /* Set up an initial stack frame. */ + li r0,0 + stwu r0,-16(r1) + /* Call _hurd_stack_setup. */ + bl JUMPTARGET(_hurd_stack_setup) + /* Pass the argument data to __libc_start_main. */ + addi r9,r1,16 + /* Clear the LR. */ + li r0,0 + mtlr r0 + /* Set r13 to point at the 'small data area', and put the address of + start_addresses in r8... */ + lis r8,L(start_addresses)@ha + lwzu r13,L(start_addresses)@l(r8) + /* and continue in libc-start, in glibc. */ + b JUMPTARGET(__libc_start_main) +END(_start) + +/* Define a symbol for the first piece of initialized data. */ + .section ".data" +__data_start: +weak_alias (__data_start, data_start) |