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experimental support for loongson mips64el uefi
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longpanda
parent
bb7e10d93e
commit
b63ce2a3df
294 changed files with 26406 additions and 96 deletions
247
GRUB2/MOD_SRC/grub-2.04/util/grub-module-verifier.c
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247
GRUB2/MOD_SRC/grub-2.04/util/grub-module-verifier.c
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#include <stdio.h>
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#include <string.h>
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#include <grub/elf.h>
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#include <grub/module_verifier.h>
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#include <grub/misc.h>
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#include <grub/util/misc.h>
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struct grub_module_verifier_arch archs[] = {
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{ "i386", 4, 0, EM_386, GRUB_MODULE_VERIFY_SUPPORTS_REL, (int[]){
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R_386_32,
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R_386_PC32,
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-1
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} },
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{ "x86_64", 8, 0, EM_X86_64, GRUB_MODULE_VERIFY_SUPPORTS_RELA, (int[]){
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R_X86_64_64,
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R_X86_64_PC64,
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/* R_X86_64_32, R_X86_64_32S are supported but shouldn't be used because of their limited range. */
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-1
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}, (int[]){
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R_X86_64_PC32,
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R_X86_64_PLT32,
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-1
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}
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},
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{ "powerpc", 4, 1, EM_PPC, GRUB_MODULE_VERIFY_SUPPORTS_RELA, (int[]){
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GRUB_ELF_R_PPC_ADDR16_LO,
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GRUB_ELF_R_PPC_REL24, /* It has limited range but GRUB adds trampolines when necessarry. */
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GRUB_ELF_R_PPC_ADDR16_HA,
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GRUB_ELF_R_PPC_ADDR32,
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GRUB_ELF_R_PPC_REL32,
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GRUB_ELF_R_PPC_PLTREL24,
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-1
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} },
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{ "sparc64", 8, 1, EM_SPARCV9, GRUB_MODULE_VERIFY_SUPPORTS_RELA, (int[]){
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R_SPARC_WDISP30, /* It has limited range but GRUB adds trampolines when necessarry. */
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R_SPARC_HH22,
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R_SPARC_HM10,
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R_SPARC_LM22,
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R_SPARC_LO10,
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R_SPARC_64,
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R_SPARC_OLO10,
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/* Following 2 relocations have limited range but unfortunately
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clang generates them, as it doesn't implement mcmodel=large properly.
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At least our heap and core are under 4G, so it's not a problem
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usually. */
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R_SPARC_HI22,
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R_SPARC_32,
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-1
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} },
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{ "ia64", 8, 0, EM_IA_64, GRUB_MODULE_VERIFY_SUPPORTS_RELA, (int[]){
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R_IA64_PCREL21B, /* We should verify that it's pointing either
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to a function or to a section in the same module.
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Checking that external symbol is a function is
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non-trivial and I have never seen this relocation used
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for anything else, so assume that it always points to a
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function.
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*/
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R_IA64_SEGREL64LSB,
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R_IA64_FPTR64LSB,
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R_IA64_DIR64LSB,
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R_IA64_PCREL64LSB,
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R_IA64_LTOFF22X,
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R_IA64_LTOFF22,
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R_IA64_GPREL64I,
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R_IA64_LTOFF_FPTR22,
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R_IA64_LDXMOV,
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-1
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}, (int[]){
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R_IA64_GPREL22,
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-1
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} },
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{ "mipsel", 4, 0, EM_MIPS, GRUB_MODULE_VERIFY_SUPPORTS_REL | GRUB_MODULE_VERIFY_SUPPORTS_RELA, (int[]){
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R_MIPS_HI16,
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R_MIPS_LO16,
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R_MIPS_32,
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R_MIPS_GPREL32,
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R_MIPS_26,
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R_MIPS_GOT16,
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R_MIPS_CALL16,
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R_MIPS_JALR,
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-1
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} },
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{ "mips", 4, 1, EM_MIPS, GRUB_MODULE_VERIFY_SUPPORTS_REL | GRUB_MODULE_VERIFY_SUPPORTS_RELA, (int[]){
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R_MIPS_HI16,
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R_MIPS_LO16,
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R_MIPS_32,
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R_MIPS_GPREL32,
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R_MIPS_26,
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R_MIPS_GOT16,
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R_MIPS_CALL16,
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R_MIPS_JALR,
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-1
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} },
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{ "arm", 4, 0, EM_ARM, GRUB_MODULE_VERIFY_SUPPORTS_REL, (int[]){
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/* Some relocations are range-limited but trampolines are added when necessarry. */
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R_ARM_ABS32,
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R_ARM_CALL,
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R_ARM_JUMP24,
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R_ARM_THM_CALL,
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R_ARM_THM_JUMP24,
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R_ARM_V4BX,
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R_ARM_THM_MOVW_ABS_NC,
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R_ARM_THM_MOVT_ABS,
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R_ARM_THM_JUMP19,
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-1
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} },
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{ "arm64", 8, 0, EM_AARCH64, GRUB_MODULE_VERIFY_SUPPORTS_REL | GRUB_MODULE_VERIFY_SUPPORTS_RELA, (int[]){
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R_AARCH64_ABS64,
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R_AARCH64_CALL26,
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R_AARCH64_JUMP26,
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R_AARCH64_ADR_GOT_PAGE,
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R_AARCH64_LD64_GOT_LO12_NC,
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-1
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}, (int[]){
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R_AARCH64_ADR_PREL_PG_HI21,
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R_AARCH64_ADD_ABS_LO12_NC,
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R_AARCH64_LDST64_ABS_LO12_NC,
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R_AARCH64_PREL32,
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-1
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} },
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{ "mips64el", 8, 0, EM_MIPS, GRUB_MODULE_VERIFY_SUPPORTS_REL | GRUB_MODULE_VERIFY_SUPPORTS_RELA, (int[]){
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R_MIPS_64,
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R_MIPS_32,
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R_MIPS_26,
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R_MIPS_LO16,
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R_MIPS_HI16,
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R_MIPS_HIGHER,
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R_MIPS_HIGHEST,
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-1
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}, (int[]){
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-1
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}
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},
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{ "riscv32", 4, 0, EM_RISCV, GRUB_MODULE_VERIFY_SUPPORTS_REL | GRUB_MODULE_VERIFY_SUPPORTS_RELA, (int[]){
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R_RISCV_32,
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R_RISCV_64,
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R_RISCV_ADD8,
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R_RISCV_ADD16,
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R_RISCV_ADD32,
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R_RISCV_ADD64,
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R_RISCV_SUB8,
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R_RISCV_SUB16,
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R_RISCV_SUB32,
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R_RISCV_SUB64,
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R_RISCV_ALIGN,
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R_RISCV_BRANCH,
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R_RISCV_CALL,
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R_RISCV_CALL_PLT,
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R_RISCV_GOT_HI20,
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R_RISCV_HI20,
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R_RISCV_JAL,
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R_RISCV_LO12_I,
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R_RISCV_LO12_S,
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R_RISCV_PCREL_HI20,
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R_RISCV_PCREL_LO12_I,
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R_RISCV_PCREL_LO12_S,
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R_RISCV_RELAX,
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R_RISCV_RVC_BRANCH,
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R_RISCV_RVC_JUMP,
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-1
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} },
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{ "riscv64", 8, 0, EM_RISCV, GRUB_MODULE_VERIFY_SUPPORTS_REL | GRUB_MODULE_VERIFY_SUPPORTS_RELA, (int[]){
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R_RISCV_32,
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R_RISCV_64,
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R_RISCV_ADD8,
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R_RISCV_ADD16,
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R_RISCV_ADD32,
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R_RISCV_ADD64,
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R_RISCV_SUB8,
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R_RISCV_SUB16,
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R_RISCV_SUB32,
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R_RISCV_SUB64,
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R_RISCV_ALIGN,
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R_RISCV_BRANCH,
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R_RISCV_CALL,
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R_RISCV_CALL_PLT,
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R_RISCV_GOT_HI20,
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R_RISCV_HI20,
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R_RISCV_JAL,
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R_RISCV_LO12_I,
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R_RISCV_LO12_S,
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R_RISCV_PCREL_HI20,
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R_RISCV_PCREL_LO12_I,
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R_RISCV_PCREL_LO12_S,
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R_RISCV_RELAX,
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R_RISCV_RVC_BRANCH,
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R_RISCV_RVC_JUMP,
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-1
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}
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},
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};
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struct platform_whitelist {
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const char *arch;
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const char *platform;
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const char **whitelist_empty;
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};
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static struct platform_whitelist whitelists[] = {
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{"i386", "xen", (const char *[]) {"all_video", 0}},
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{"i386", "xen_pvh", (const char *[]) {"all_video", 0}},
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{"x86_64", "xen", (const char *[]) {"all_video", 0}},
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{"sparc64", "ieee1275", (const char *[]) {"all_video", 0}},
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/* video is compiled-in on MIPS. */
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{"mipsel", "loongson", (const char *[]) {"all_video", 0}},
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{"mipsel", "qemu_mips", (const char *[]) {"all_video", 0}},
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{"mipsel", "arc", (const char *[]) {"all_video", 0}},
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{"mips", "qemu_mips", (const char *[]) {"all_video", 0}},
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{"mips", "arc", (const char *[]) {"all_video", 0}},
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};
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int
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main (int argc, char **argv)
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{
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size_t module_size;
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unsigned arch, whitelist;
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const char **whitelist_empty = 0;
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char *module_img;
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if (argc != 4) {
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fprintf (stderr, "usage: %s FILE ARCH PLATFORM\n", argv[0]);
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return 1;
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}
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for (arch = 0; arch < ARRAY_SIZE(archs); arch++)
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if (strcmp(archs[arch].name, argv[2]) == 0)
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break;
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if (arch == ARRAY_SIZE(archs))
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grub_util_error("%s: unknown arch: %s", argv[1], argv[2]);
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for (whitelist = 0; whitelist < ARRAY_SIZE(whitelists); whitelist++)
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if (strcmp(whitelists[whitelist].arch, argv[2]) == 0
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&& strcmp(whitelists[whitelist].platform, argv[3]) == 0)
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break;
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if (whitelist != ARRAY_SIZE(whitelists))
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whitelist_empty = whitelists[whitelist].whitelist_empty;
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module_size = grub_util_get_image_size (argv[1]);
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module_img = grub_util_read_image (argv[1]);
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if (archs[arch].voidp_sizeof == 8)
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grub_module_verify64(argv[1], module_img, module_size, &archs[arch], whitelist_empty);
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else
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grub_module_verify32(argv[1], module_img, module_size, &archs[arch], whitelist_empty);
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return 0;
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}
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