/* 32-bit ELF for the WebAssembly target
- Copyright (C) 2017 Free Software Foundation, Inc.
+ Copyright (C) 2017-2020 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
#include "bfd.h"
#include "libbfd.h"
#include "elf-bfd.h"
-#include "bfd_stdint.h"
#include "libiberty.h"
#include "elf/wasm32.h"
static reloc_howto_type elf32_wasm32_howto_table[] =
{
HOWTO (R_WASM32_NONE, /* type */
- 0, /* rightshift */
- 3, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont,/* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_WASM32_NONE", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
+ 0, /* rightshift */
+ 3, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont,/* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_WASM32_NONE", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
/* 32 bit absolute */
HOWTO (R_WASM32_32, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield,/* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_WASM32_32", /* name */
- FALSE, /* partial_inplace */
- 0xffffffff, /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield,/* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_WASM32_32", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
};
/* Look up the relocation CODE. */
static reloc_howto_type *
elf32_wasm32_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
- bfd_reloc_code_real_type code)
+ bfd_reloc_code_real_type code)
{
switch (code)
{
static reloc_howto_type *
elf32_wasm32_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
- const char *r_name)
+ const char *r_name)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE (elf32_wasm32_howto_table); i++)
if (elf32_wasm32_howto_table[i].name != NULL
- && strcasecmp (elf32_wasm32_howto_table[i].name, r_name) == 0)
+ && strcasecmp (elf32_wasm32_howto_table[i].name, r_name) == 0)
return &elf32_wasm32_howto_table[i];
return NULL;
if (i >= ARRAY_SIZE (elf32_wasm32_howto_table))
{
/* xgettext:c-format */
- _bfd_error_handler (_("%B: invalid relocation type %d"),
- abfd, (int) r_type);
- i = R_WASM32_NONE;
+ _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
+ abfd, r_type);
+ bfd_set_error (bfd_error_bad_value);
+ return NULL;
}
if (elf32_wasm32_howto_table[i].type != r_type)
return NULL;
- return &elf32_wasm32_howto_table[i];
+ return elf32_wasm32_howto_table + i;
}
/* Translate the ELF-internal relocation RELA into CACHE_PTR. */
-static void
-elf32_wasm32_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED,
- arelent *cache_ptr,
- Elf_Internal_Rela *dst)
+static bfd_boolean
+elf32_wasm32_info_to_howto_rela (bfd *abfd,
+ arelent *cache_ptr,
+ Elf_Internal_Rela *dst)
{
unsigned int r_type = ELF32_R_TYPE (dst->r_info);
+
cache_ptr->howto = elf32_wasm32_rtype_to_howto (abfd, r_type);
+ return cache_ptr->howto != NULL;
}
#define ELF_ARCH bfd_arch_wasm32
https://github.com/pipcet/binutils-gdb/issues/4 */
#define ELF_MAXPAGESIZE 4096
-#define TARGET_LITTLE_SYM wasm32_elf32_vec
+#define TARGET_LITTLE_SYM wasm32_elf32_vec
#define TARGET_LITTLE_NAME "elf32-wasm32"
-#define elf_backend_can_gc_sections 1
-#define elf_backend_rela_normal 1
+#define elf_backend_can_gc_sections 1
+#define elf_backend_rela_normal 1
/* For testing. */
-#define elf_backend_want_dynrelro 1
+#define elf_backend_want_dynrelro 1
#define elf_info_to_howto elf32_wasm32_info_to_howto_rela
#define elf_info_to_howto_rel NULL
#define bfd_elf32_bfd_reloc_type_lookup elf32_wasm32_reloc_type_lookup
#define bfd_elf32_bfd_reloc_name_lookup elf32_wasm32_reloc_name_lookup
-#define ELF_DYNAMIC_INTERPRETER "/sbin/elf-dynamic-interpreter.so"
+#define ELF_DYNAMIC_INTERPRETER "/sbin/elf-dynamic-interpreter.so"
-#define elf_backend_want_got_plt 1
-#define elf_backend_plt_readonly 1
-#define elf_backend_got_header_size 0
+#define elf_backend_want_got_plt 1
+#define elf_backend_plt_readonly 1
+#define elf_backend_got_header_size 0
#include "elf32-target.h"