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authorH.J. Lu <hjl.tools@gmail.com>2001-04-06 00:37:30 +0000
committerH.J. Lu <hjl.tools@gmail.com>2001-04-06 00:37:30 +0000
commitdd484e5c56c3bab481209c777b115be6b223b397 (patch)
tree04495fc494c260ea61f1f3b2ec0c2fec903e515c /bfd
parent589bad82a2eb99c31617a1bf756f823967ee422f (diff)
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2001-04-05 David Mosberger <davidm@hpl.hp.com>
* elf32-i386.c (elf_i386_fake_sections): Treat ".reloc" as an ordinary "progbits" section.
Diffstat (limited to 'bfd')
-rw-r--r--bfd/ChangeLog5
-rw-r--r--bfd/elf32-i386.c39
2 files changed, 44 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 5977722..2606c93 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2001-04-05 David Mosberger <davidm@hpl.hp.com>
+
+ * elf32-i386.c (elf_i386_fake_sections): Treat ".reloc" as an
+ ordinary "progbits" section.
+
2001-04-04 Alan Modra <alan@linuxcare.com.au>
* elflink.h (elf_fix_symbol_flags): Call elf_backend_hide_symbol
diff --git a/bfd/elf32-i386.c b/bfd/elf32-i386.c
index f2accb7..658c86d 100644
--- a/bfd/elf32-i386.c
+++ b/bfd/elf32-i386.c
@@ -2066,6 +2066,44 @@ elf_i386_finish_dynamic_sections (output_bfd, info)
return true;
}
+/* Set the correct type for an x86 ELF section. We do this by the
+ section name, which is a hack, but ought to work. */
+
+static boolean
+elf_i386_fake_sections (abfd, hdr, sec)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ Elf32_Internal_Shdr *hdr;
+ asection *sec;
+{
+ register const char *name;
+
+ name = bfd_get_section_name (abfd, sec);
+
+ if (strcmp (name, ".reloc") == 0)
+ /*
+ * This is an ugly, but unfortunately necessary hack that is
+ * needed when producing EFI binaries on x86. It tells
+ * elf.c:elf_fake_sections() not to consider ".reloc" as a section
+ * containing ELF relocation info. We need this hack in order to
+ * be able to generate ELF binaries that can be translated into
+ * EFI applications (which are essentially COFF objects). Those
+ * files contain a COFF ".reloc" section inside an ELFNN object,
+ * which would normally cause BFD to segfault because it would
+ * attempt to interpret this section as containing relocation
+ * entries for section "oc". With this hack enabled, ".reloc"
+ * will be treated as a normal data section, which will avoid the
+ * segfault. However, you won't be able to create an ELFNN binary
+ * with a section named "oc" that needs relocations, but that's
+ * the kind of ugly side-effects you get when detecting section
+ * types based on their names... In practice, this limitation is
+ * unlikely to bite.
+ */
+ hdr->sh_type = SHT_PROGBITS;
+
+ return true;
+}
+
+
#define TARGET_LITTLE_SYM bfd_elf32_i386_vec
#define TARGET_LITTLE_NAME "elf32-i386"
#define ELF_ARCH bfd_arch_i386
@@ -2096,5 +2134,6 @@ elf_i386_finish_dynamic_sections (output_bfd, info)
#define elf_backend_gc_sweep_hook elf_i386_gc_sweep_hook
#define elf_backend_relocate_section elf_i386_relocate_section
#define elf_backend_size_dynamic_sections elf_i386_size_dynamic_sections
+#define elf_backend_fake_sections elf_i386_fake_sections
#include "elf32-target.h"