diff options
author | Ryan Flux <ryan.flux@emsolutions.com.au> | 2011-10-04 10:50:49 +1000 |
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committer | Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> | 2011-10-06 22:22:25 +0200 |
commit | 331b43717229eaad2a95bf420f5100079bd53683 (patch) | |
tree | 784606042014321101c611ef4650b1b6aacff76a /ldso/ldso/microblaze/resolve.S | |
parent | cc5499a6a678e4caf1b06f33192de84d5ab88fd5 (diff) |
microblaze mmu/elf/shared lib support
microblaze can either be with mmu or without
If with, use elf rather than flat, and support shared libs
Signed-off-by: Ryan Flux <ryan.flux@emsolutions.com.au>
Signed-off-by: Steve Bennett <steveb@workware.net.au>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Diffstat (limited to 'ldso/ldso/microblaze/resolve.S')
-rw-r--r-- | ldso/ldso/microblaze/resolve.S | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/ldso/ldso/microblaze/resolve.S b/ldso/ldso/microblaze/resolve.S new file mode 100644 index 000000000..8ad94fe50 --- /dev/null +++ b/ldso/ldso/microblaze/resolve.S @@ -0,0 +1,52 @@ + +/* This code is used in dl-runtime.c to call the `fixup' function + and then redirect to the address it returns. */ +/* We assume that R3 contain relocation offset and R4 contains + link_map (_DYNAMIC). This must be consistent with the JUMP_SLOT + layout generated by binutils. */ + +/* Based on glibc 2.3.6, dl-machine.h */ +/* + 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. */ + +.text +.align 4 +.globl _dl_linux_resolver +.globl _dl_linux_resolve +.type _dl_linux_resolve,@function + +_dl_linux_resolve: + addik r1,r1,-40 + swi r5,r1,12 + swi r6,r1,16 + swi r7,r1,20 + swi r8,r1,24 + swi r9,r1,28 + swi r10,r1,32 + swi r15,r1,0 + addk r5,r0,r4 + brlid r15, _dl_linux_resolver + addk r6,r0,r3; /* delay slot */ + lwi r10,r1,32 + lwi r9,r1,28 + lwi r8,r1,24 + lwi r7,r1,20 + lwi r6,r1,16 + lwi r5,r1,12 + lwi r15,r1,0 + brad r3 + addik r1,r1,40; /* delay slot */ + .size _dl_linux_resolve, . - _dl_linux_resolve |