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AARCH64: Implement enough of relocations to get kernel loaded

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This commit is contained in:
Fredrik Holmqvist
2021-08-31 20:22:15 +02:00
parent e4f758ee83
commit 336321b113
1 changed files with 31 additions and 0 deletions
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src/system/kernel/arch/arm64/arch_elf.cpp
+31
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@@ -86,11 +86,42 @@ arch_elf_relocate_rela(struct elf_image_info *image,
// Calculate the relocation value. // Calculate the relocation value.
Elf64_Addr relocValue; Elf64_Addr relocValue;
switch (type) { switch (type) {
case R_AARCH64_NONE:
continue;
case R_AARCH64_ABS64:
relocValue = symAddr + rel[i].r_addend;
break;
case R_AARCH64_ABS32:
case R_AARCH64_ABS16:
case R_AARCH64_PREL64:
case R_AARCH64_PREL32:
case R_AARCH64_PREL16:
case R_AARCH64_TSTBR14:
case R_AARCH64_CONDBR19:
case R_AARCH64_JUMP26:
case R_AARCH64_CALL26:
case R_AARCH64_COPY:
dprintf("arch_elf_relocate_rela: unhandled relocation type %d\n",
type);
return B_BAD_DATA;
case R_AARCH64_GLOB_DAT:
case R_AARCH64_JUMP_SLOT:
relocValue = symAddr + rel[i].r_addend;
break;
case R_AARCH64_RELATIVE:
relocValue = image->text_region.delta + rel[i].r_addend;
break;
case R_AARCH64_TLS_DTPREL64:
case R_AARCH64_TLS_DTPMOD64:
case R_AARCH64_TLS_TPREL64:
case R_AARCH64_TLSDESC:
case R_AARCH64_IRELATIVE:
default: default:
dprintf("arch_elf_relocate_rela: unhandled relocation type %d\n", dprintf("arch_elf_relocate_rela: unhandled relocation type %d\n",
type); type);
return B_BAD_DATA; return B_BAD_DATA;
} }
#ifdef _BOOT_MODE #ifdef _BOOT_MODE
boot_elf64_set_relocation(relocAddr, relocValue); boot_elf64_set_relocation(relocAddr, relocValue);
#else #else