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add support for the AVR32 platform, namely the ATNGW100 board - joint work with wigyori

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7533 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
kaloz
2007-06-08 10:44:01 +00:00
parent e87fb5ee5a
commit ac52e3bd03
38 changed files with 136282 additions and 1 deletions
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40
toolchain/uClibc/patches/409-ldso-avr32-startup-hack.patch Normal file
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@@ -0,0 +1,40 @@
Subject: [PATCH] ldso: AVR32 startup hack
AVR32 needs to do both PERFORM_BOOTSTRAP_GOT and a full relocation of
the GOT. I don't quite remember why, but I think it's because some GOT
entries just need the load address added to them, while the rest need
the full relocation code.
This patch should be revisited to figure out whether we're processing
relocations against undefined symbols and whether that's something we
should be doing...
---
ldso/ldso/dl-startup.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
Index: uClibc-0.9.28/ldso/ldso/dl-startup.c
===================================================================
--- uClibc-0.9.28.orig/ldso/ldso/dl-startup.c 2006-02-07 16:49:27.000000000 +0100
+++ uClibc-0.9.28/ldso/ldso/dl-startup.c 2006-02-07 17:12:09.000000000 +0100
@@ -217,7 +217,9 @@ static void * __attribute_used__ _dl_sta
/* some arches (like MIPS) we have to tweak the GOT before relocations */
PERFORM_BOOTSTRAP_GOT(tpnt);
-#else
+#endif
+
+#if !defined(PERFORM_BOOTSTRAP_GOT) || defined(__avr32__)
/* OK, now do the relocations. We do not do a lazy binding here, so
that once we are done, we have considerably more flexibility. */
@@ -259,7 +261,7 @@ static void * __attribute_used__ _dl_sta
rel_addr += relative_count * sizeof(ELF_RELOC);;
}
- rpnt = (ELF_RELOC *) (rel_addr + load_addr);
+ rpnt = (ELF_RELOC *) (rel_addr /* + load_addr */);
for (i = 0; i < rel_size; i += sizeof(ELF_RELOC), rpnt++) {
reloc_addr = (unsigned long *) (load_addr + (unsigned long) rpnt->r_offset);
symtab_index = ELF_R_SYM(rpnt->r_info);