mirror of
https://github.com/JakeHillion/drgn.git
synced 2024-12-22 17:23:06 +00:00
39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
|
// Copyright (c) Meta Platforms, Inc. and affiliates.
|
||
|
// SPDX-License-Identifier: GPL-3.0-or-later
|
||
|
|
||
|
#include "platform.h" // IWYU pragma: associated
|
||
|
|
||
|
/*
|
||
|
* The ABI specification can be found at:
|
||
|
* https://developer.arm.com/architectures/system-architectures/software-standards/abi
|
||
|
* https://github.com/ARM-software/abi-aa/releases
|
||
|
*/
|
||
|
|
||
|
static struct drgn_error *
|
||
|
apply_elf_reloc_arm(const struct drgn_relocating_section *relocating,
|
||
|
uint64_t r_offset, uint32_t r_type, const int64_t *r_addend,
|
||
|
uint64_t sym_value)
|
||
|
{
|
||
|
switch (r_type) {
|
||
|
case R_ARM_NONE:
|
||
|
return NULL;
|
||
|
case R_ARM_ABS32:
|
||
|
return drgn_reloc_add32(relocating, r_offset, r_addend,
|
||
|
sym_value);
|
||
|
case R_ARM_REL32:
|
||
|
return drgn_reloc_add32(relocating, r_offset, r_addend,
|
||
|
sym_value
|
||
|
- (relocating->addr + r_offset));
|
||
|
default:
|
||
|
return DRGN_UNKNOWN_RELOCATION_TYPE(r_type);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
const struct drgn_architecture_info arch_info_arm = {
|
||
|
.name = "Arm",
|
||
|
.arch = DRGN_ARCH_ARM,
|
||
|
.default_flags = DRGN_PLATFORM_IS_LITTLE_ENDIAN,
|
||
|
.register_by_name = drgn_register_by_name_unknown,
|
||
|
.apply_elf_reloc = apply_elf_reloc_arm,
|
||
|
};
|