grub2/grub2-ppc64le-16-Add-grub_dl_find_section_addr.patch
Michael Chang d993d29491 Accepting request 229655 from home:k0da:branches:Base:System
- Build GRUB2 for ppc64le as LittleEndian and 64bit
- Fix timeout issue on ppc64le (bnc#869166)
- Add powerpc-utils requires to grub2-powerpc-ieee1275
- added patches:
  * grub2-ppc64-build-ppc64-32bit.patch
  * grub2-ppc64-qemu.patch
  * grub2-ppc64le-01-Add-Little-Endian-support-for-Power64-to-the-build.patch
  * grub2-ppc64le-02-Build-grub-as-O1-until-we-add-savegpr-and-restgpr-ro.patch
  * grub2-ppc64le-03-disable-creation-of-vsx-and-altivec-instructions.patch
  * grub2-ppc64le-04-powerpc64-LE-s-linker-knows-how-to-handle-the-undefi.patch
  * grub2-ppc64le-05-grub-install-can-now-recognize-and-install-a-LE-grub.patch
  * grub2-ppc64le-06-set-the-ABI-version-to-0x02-in-the-e_flag-of-the-PPC.patch
  * grub2-ppc64le-07-Add-IEEE1275_ADDR-helper.patch
  * grub2-ppc64le-08-Fix-some-more-warnings-when-casting.patch
  * grub2-ppc64le-09-Add-powerpc64-types.patch
  * grub2-ppc64le-10-powerpc64-is-not-necessarily-BigEndian-anymore.patch
  * grub2-ppc64le-11-Fix-warnings-when-building-powerpc-linux-loader-64bi.patch
  * grub2-ppc64le-12-GRUB_ELF_R_PPC_-processing-is-applicable-only-for-32.patch
  * grub2-ppc64le-13-Fix-powerpc-setjmp-longjmp-64bit-issues.patch
  * grub2-ppc64le-14-Add-powerpc64-ieee1275-trampoline.patch
  * grub2-ppc64le-15-Add-64bit-support-to-powerpc-startup-code.patch
  * grub2-ppc64le-16-Add-grub_dl_find_section_addr.patch
  * grub2-ppc64le-17-Add-ppc64-relocations.patch
  * grub2-ppc64le-18-ppc64-doesn-t-need-libgcc-routines.patch
  * grub2-ppc64le-19-Use-FUNC_START-FUNC_END-for-powerpc-function-definit.patch
  * grub2-ppc64le-20-.TOC.-symbol-is-special-in-ppc64le-.-It-maps-to-the-.patch
  * grub2-ppc64le-21-the-.toc-section-in-powerpc64le-modules-are-sometime.patch
  * grub2-ppc64le-22-all-parameter-to-firmware-calls-should-to-be-BigEndi.patch
  * grub2-ppc64le-23-grub-segfaults-if-initrd-is-specified-before-specify.patch
  * grub2-ppc64le-timeout.patch

OBS-URL: https://build.opensuse.org/request/show/229655
OBS-URL: https://build.opensuse.org/package/show/Base:System/grub2?expand=0&rev=87
2014-04-11 02:43:28 +00:00

78 lines
2.2 KiB
Diff

From ca7d011e65c6dc1b633c85b7105c807b929598f1 Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Wed, 29 Jan 2014 10:42:12 +1100
Subject: [PATCH 16/23] Add grub_dl_find_section_addr
ppc64 needs to find the address of the toc section.
Create grub_dl_find_section_addr to do this.
We also need grub_dl_find_section, so make it global.
Signed-off-by: Ram Pai <linuxram@us.ibm.com>
From: Anton Blanchard <anton@samba.org>
---
grub-core/kern/dl.c | 27 ++++++++++++++++++++++++++-
include/grub/dl.h | 2 ++
2 files changed, 28 insertions(+), 1 deletion(-)
diff --git a/grub-core/kern/dl.c b/grub-core/kern/dl.c
index 6850e04..de2d0ed 100644
--- a/grub-core/kern/dl.c
+++ b/grub-core/kern/dl.c
@@ -191,6 +191,31 @@ grub_dl_get_section_addr (grub_dl_t mod, unsigned n)
return 0;
}
+void *grub_dl_find_section_addr (grub_dl_t mod, Elf_Ehdr *e, const char *name)
+{
+ Elf_Shdr *s;
+ const char *str;
+ unsigned i;
+ grub_dl_segment_t seg;
+
+ s = (Elf_Shdr *) ((char *) e + e->e_shoff + e->e_shstrndx * e->e_shentsize);
+ str = (char *) e + s->sh_offset;
+
+ for (i = 0, s = (Elf_Shdr *) ((char *) e + e->e_shoff);
+ i < e->e_shnum;
+ i++, s = (Elf_Shdr *) ((char *) s + e->e_shentsize))
+ {
+ if (grub_strcmp (str + s->sh_name, name) == 0)
+ {
+ for (seg = mod->segment; seg; seg = seg->next)
+ if (seg->section == i)
+ return seg->addr;
+ }
+ }
+
+ return 0;
+}
+
/* Check if EHDR is a valid ELF header. */
static grub_err_t
grub_dl_check_header (void *ehdr, grub_size_t size)
@@ -427,7 +452,7 @@ grub_dl_resolve_symbols (grub_dl_t mod, Elf_Ehdr *e)
return GRUB_ERR_NONE;
}
-static Elf_Shdr *
+Elf_Shdr *
grub_dl_find_section (Elf_Ehdr *e, const char *name)
{
Elf_Shdr *s;
diff --git a/include/grub/dl.h b/include/grub/dl.h
index 9562fa6..39c73a7 100644
--- a/include/grub/dl.h
+++ b/include/grub/dl.h
@@ -250,6 +250,8 @@ grub_err_t grub_arch_dl_check_header (void *ehdr);
grub_err_t
grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr,
Elf_Shdr *s, grub_dl_segment_t seg);
+Elf_Shdr * grub_dl_find_section (Elf_Ehdr *e, const char *name);
+void *grub_dl_find_section_addr (grub_dl_t mod, Elf_Ehdr *e, const char *name);
#endif
#if defined (_mips)
--
1.8.3.1