From dd484e5c56c3bab481209c777b115be6b223b397 Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Fri, 6 Apr 2001 00:37:30 +0000 Subject: [PATCH] 2001-04-05 David Mosberger * elf32-i386.c (elf_i386_fake_sections): Treat ".reloc" as an ordinary "progbits" section. --- bfd/ChangeLog | 5 +++++ bfd/elf32-i386.c | 39 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 44 insertions(+) diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 59777229e50..2606c932956 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,8 @@ +2001-04-05 David Mosberger + + * elf32-i386.c (elf_i386_fake_sections): Treat ".reloc" as an + ordinary "progbits" section. + 2001-04-04 Alan Modra * elflink.h (elf_fix_symbol_flags): Call elf_backend_hide_symbol diff --git a/bfd/elf32-i386.c b/bfd/elf32-i386.c index f2accb712d4..658c86deb1c 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" -- 2.30.2