From e1190ec76cdabb6dc8ab5129ab3b53b29e34ef65 Mon Sep 17 00:00:00 2001 From: Astro Date: Fri, 17 Apr 2020 23:10:53 +0200 Subject: [PATCH] libdyld: add arm relocation types --- libdyld/src/elf.rs | 253 ++++++++++++++++++++++----------------------- libdyld/src/lib.rs | 13 ++- 2 files changed, 134 insertions(+), 132 deletions(-) diff --git a/libdyld/src/elf.rs b/libdyld/src/elf.rs index 0385bc7..b12b730 100644 --- a/libdyld/src/elf.rs +++ b/libdyld/src/elf.rs @@ -1462,133 +1462,132 @@ pub const R_AARCH64_TLS_DTPREL64: usize = 1029; pub const R_AARCH64_TLS_TPREL64: usize = 1030; pub const R_AARCH64_TLSDESC: usize = 1031; pub const R_AARCH64_IRELATIVE: usize = 1032; -pub const R_ARM_NONE: usize = 0; -pub const R_ARM_PC24: usize = 1; -pub const R_ARM_ABS32: usize = 2; -pub const R_ARM_REL32: usize = 3; -pub const R_ARM_PC13: usize = 4; -pub const R_ARM_ABS16: usize = 5; -pub const R_ARM_ABS12: usize = 6; -pub const R_ARM_THM_ABS5: usize = 7; -pub const R_ARM_ABS8: usize = 8; -pub const R_ARM_SBREL32: usize = 9; -pub const R_ARM_THM_PC22: usize = 10; -pub const R_ARM_THM_PC8: usize = 11; -pub const R_ARM_AMP_VCALL9: usize = 12; -pub const R_ARM_SWI24: usize = 13; -pub const R_ARM_TLS_DESC: usize = 13; -pub const R_ARM_THM_SWI8: usize = 14; -pub const R_ARM_XPC25: usize = 15; -pub const R_ARM_THM_XPC22: usize = 16; -pub const R_ARM_TLS_DTPMOD32: usize = 17; -pub const R_ARM_TLS_DTPOFF32: usize = 18; -pub const R_ARM_TLS_TPOFF32: usize = 19; -pub const R_ARM_COPY: usize = 20; -pub const R_ARM_GLOB_DAT: usize = 21; -pub const R_ARM_JUMP_SLOT: usize = 22; -pub const R_ARM_RELATIVE: usize = 23; -pub const R_ARM_GOTOFF: usize = 24; -pub const R_ARM_GOTPC: usize = 25; -pub const R_ARM_GOT32: usize = 26; -pub const R_ARM_PLT32: usize = 27; -pub const R_ARM_CALL: usize = 28; -pub const R_ARM_JUMP24: usize = 29; -pub const R_ARM_THM_JUMP24: usize = 30; -pub const R_ARM_BASE_ABS: usize = 31; -pub const R_ARM_ALU_PCREL_7_0: usize = 32; -pub const R_ARM_ALU_PCREL_15_8: usize = 33; -pub const R_ARM_ALU_PCREL_23_15: usize = 34; -pub const R_ARM_LDR_SBREL_11_0: usize = 35; -pub const R_ARM_ALU_SBREL_19_12: usize = 36; -pub const R_ARM_ALU_SBREL_27_20: usize = 37; -pub const R_ARM_TARGET1: usize = 38; -pub const R_ARM_SBREL31: usize = 39; -pub const R_ARM_V4BX: usize = 40; -pub const R_ARM_TARGET2: usize = 41; -pub const R_ARM_PREL31: usize = 42; -pub const R_ARM_MOVW_ABS_NC: usize = 43; -pub const R_ARM_MOVT_ABS: usize = 44; -pub const R_ARM_MOVW_PREL_NC: usize = 45; -pub const R_ARM_MOVT_PREL: usize = 46; -pub const R_ARM_THM_MOVW_ABS_NC: usize = 47; -pub const R_ARM_THM_MOVT_ABS: usize = 48; -pub const R_ARM_THM_MOVW_PREL_NC: usize = 49; -pub const R_ARM_THM_MOVT_PREL: usize = 50; -pub const R_ARM_THM_JUMP19: usize = 51; -pub const R_ARM_THM_JUMP6: usize = 52; -pub const R_ARM_THM_ALU_PREL_11_0: usize = 53; -pub const R_ARM_THM_PC12: usize = 54; -pub const R_ARM_ABS32_NOI: usize = 55; -pub const R_ARM_REL32_NOI: usize = 56; -pub const R_ARM_ALU_PC_G0_NC: usize = 57; -pub const R_ARM_ALU_PC_G0: usize = 58; -pub const R_ARM_ALU_PC_G1_NC: usize = 59; -pub const R_ARM_ALU_PC_G1: usize = 60; -pub const R_ARM_ALU_PC_G2: usize = 61; -pub const R_ARM_LDR_PC_G1: usize = 62; -pub const R_ARM_LDR_PC_G2: usize = 63; -pub const R_ARM_LDRS_PC_G0: usize = 64; -pub const R_ARM_LDRS_PC_G1: usize = 65; -pub const R_ARM_LDRS_PC_G2: usize = 66; -pub const R_ARM_LDC_PC_G0: usize = 67; -pub const R_ARM_LDC_PC_G1: usize = 68; -pub const R_ARM_LDC_PC_G2: usize = 69; -pub const R_ARM_ALU_SB_G0_NC: usize = 70; -pub const R_ARM_ALU_SB_G0: usize = 71; -pub const R_ARM_ALU_SB_G1_NC: usize = 72; -pub const R_ARM_ALU_SB_G1: usize = 73; -pub const R_ARM_ALU_SB_G2: usize = 74; -pub const R_ARM_LDR_SB_G0: usize = 75; -pub const R_ARM_LDR_SB_G1: usize = 76; -pub const R_ARM_LDR_SB_G2: usize = 77; -pub const R_ARM_LDRS_SB_G0: usize = 78; -pub const R_ARM_LDRS_SB_G1: usize = 79; -pub const R_ARM_LDRS_SB_G2: usize = 80; -pub const R_ARM_LDC_SB_G0: usize = 81; -pub const R_ARM_LDC_SB_G1: usize = 82; -pub const R_ARM_LDC_SB_G2: usize = 83; -pub const R_ARM_MOVW_BREL_NC: usize = 84; -pub const R_ARM_MOVT_BREL: usize = 85; -pub const R_ARM_MOVW_BREL: usize = 86; -pub const R_ARM_THM_MOVW_BREL_NC: usize = 87; -pub const R_ARM_THM_MOVT_BREL: usize = 88; -pub const R_ARM_THM_MOVW_BREL: usize = 89; -pub const R_ARM_TLS_GOTDESC: usize = 90; -pub const R_ARM_TLS_CALL: usize = 91; -pub const R_ARM_TLS_DESCSEQ: usize = 92; -pub const R_ARM_THM_TLS_CALL: usize = 93; -pub const R_ARM_PLT32_ABS: usize = 94; -pub const R_ARM_GOT_ABS: usize = 95; -pub const R_ARM_GOT_PREL: usize = 96; -pub const R_ARM_GOT_BREL12: usize = 97; -pub const R_ARM_GOTOFF12: usize = 98; -pub const R_ARM_GOTRELAX: usize = 99; -pub const R_ARM_GNU_VTENTRY: usize = 100; -pub const R_ARM_GNU_VTINHERIT: usize = 101; -pub const R_ARM_THM_PC11: usize = 102; -pub const R_ARM_THM_PC9: usize = 103; -pub const R_ARM_TLS_GD32: usize = 104; -pub const R_ARM_TLS_LDM32: usize = 105; -pub const R_ARM_TLS_LDO32: usize = 106; -pub const R_ARM_TLS_IE32: usize = 107; -pub const R_ARM_TLS_LE32: usize = 108; -pub const R_ARM_TLS_LDO12: usize = 109; -pub const R_ARM_TLS_LE12: usize = 110; -pub const R_ARM_TLS_IE12GP: usize = 111; -pub const R_ARM_ME_TOO: usize = 128; -pub const R_ARM_THM_TLS_DESCSEQ: usize = 129; -pub const R_ARM_THM_TLS_DESCSEQ16: usize = 129; -pub const R_ARM_THM_TLS_DESCSEQ32: usize = 130; -pub const R_ARM_THM_GOT_BREL12: usize = 131; -pub const R_ARM_IRELATIVE: usize = 160; -pub const R_ARM_RXPC25: usize = 249; -pub const R_ARM_RSBREL32: usize = 250; -pub const R_ARM_THM_RPC22: usize = 251; -pub const R_ARM_RREL32: usize = 252; -pub const R_ARM_RABS22: usize = 253; -pub const R_ARM_RPC24: usize = 254; -pub const R_ARM_RBASE: usize = 255; -pub const R_ARM_NUM: usize = 256; +pub const R_ARM_NONE: u8 = 0; +pub const R_ARM_PC24: u8 = 1; +pub const R_ARM_ABS32: u8 = 2; +pub const R_ARM_REL32: u8 = 3; +pub const R_ARM_PC13: u8 = 4; +pub const R_ARM_ABS16: u8 = 5; +pub const R_ARM_ABS12: u8 = 6; +pub const R_ARM_THM_ABS5: u8 = 7; +pub const R_ARM_ABS8: u8 = 8; +pub const R_ARM_SBREL32: u8 = 9; +pub const R_ARM_THM_PC22: u8 = 10; +pub const R_ARM_THM_PC8: u8 = 11; +pub const R_ARM_AMP_VCALL9: u8 = 12; +pub const R_ARM_SWI24: u8 = 13; +pub const R_ARM_TLS_DESC: u8 = 13; +pub const R_ARM_THM_SWI8: u8 = 14; +pub const R_ARM_XPC25: u8 = 15; +pub const R_ARM_THM_XPC22: u8 = 16; +pub const R_ARM_TLS_DTPMOD32: u8 = 17; +pub const R_ARM_TLS_DTPOFF32: u8 = 18; +pub const R_ARM_TLS_TPOFF32: u8 = 19; +pub const R_ARM_COPY: u8 = 20; +pub const R_ARM_GLOB_DAT: u8 = 21; +pub const R_ARM_JUMP_SLOT: u8 = 22; +pub const R_ARM_RELATIVE: u8 = 23; +pub const R_ARM_GOTOFF: u8 = 24; +pub const R_ARM_GOTPC: u8 = 25; +pub const R_ARM_GOT32: u8 = 26; +pub const R_ARM_PLT32: u8 = 27; +pub const R_ARM_CALL: u8 = 28; +pub const R_ARM_JUMP24: u8 = 29; +pub const R_ARM_THM_JUMP24: u8 = 30; +pub const R_ARM_BASE_ABS: u8 = 31; +pub const R_ARM_ALU_PCREL_7_0: u8 = 32; +pub const R_ARM_ALU_PCREL_15_8: u8 = 33; +pub const R_ARM_ALU_PCREL_23_15: u8 = 34; +pub const R_ARM_LDR_SBREL_11_0: u8 = 35; +pub const R_ARM_ALU_SBREL_19_12: u8 = 36; +pub const R_ARM_ALU_SBREL_27_20: u8 = 37; +pub const R_ARM_TARGET1: u8 = 38; +pub const R_ARM_SBREL31: u8 = 39; +pub const R_ARM_V4BX: u8 = 40; +pub const R_ARM_TARGET2: u8 = 41; +pub const R_ARM_PREL31: u8 = 42; +pub const R_ARM_MOVW_ABS_NC: u8 = 43; +pub const R_ARM_MOVT_ABS: u8 = 44; +pub const R_ARM_MOVW_PREL_NC: u8 = 45; +pub const R_ARM_MOVT_PREL: u8 = 46; +pub const R_ARM_THM_MOVW_ABS_NC: u8 = 47; +pub const R_ARM_THM_MOVT_ABS: u8 = 48; +pub const R_ARM_THM_MOVW_PREL_NC: u8 = 49; +pub const R_ARM_THM_MOVT_PREL: u8 = 50; +pub const R_ARM_THM_JUMP19: u8 = 51; +pub const R_ARM_THM_JUMP6: u8 = 52; +pub const R_ARM_THM_ALU_PREL_11_0: u8 = 53; +pub const R_ARM_THM_PC12: u8 = 54; +pub const R_ARM_ABS32_NOI: u8 = 55; +pub const R_ARM_REL32_NOI: u8 = 56; +pub const R_ARM_ALU_PC_G0_NC: u8 = 57; +pub const R_ARM_ALU_PC_G0: u8 = 58; +pub const R_ARM_ALU_PC_G1_NC: u8 = 59; +pub const R_ARM_ALU_PC_G1: u8 = 60; +pub const R_ARM_ALU_PC_G2: u8 = 61; +pub const R_ARM_LDR_PC_G1: u8 = 62; +pub const R_ARM_LDR_PC_G2: u8 = 63; +pub const R_ARM_LDRS_PC_G0: u8 = 64; +pub const R_ARM_LDRS_PC_G1: u8 = 65; +pub const R_ARM_LDRS_PC_G2: u8 = 66; +pub const R_ARM_LDC_PC_G0: u8 = 67; +pub const R_ARM_LDC_PC_G1: u8 = 68; +pub const R_ARM_LDC_PC_G2: u8 = 69; +pub const R_ARM_ALU_SB_G0_NC: u8 = 70; +pub const R_ARM_ALU_SB_G0: u8 = 71; +pub const R_ARM_ALU_SB_G1_NC: u8 = 72; +pub const R_ARM_ALU_SB_G1: u8 = 73; +pub const R_ARM_ALU_SB_G2: u8 = 74; +pub const R_ARM_LDR_SB_G0: u8 = 75; +pub const R_ARM_LDR_SB_G1: u8 = 76; +pub const R_ARM_LDR_SB_G2: u8 = 77; +pub const R_ARM_LDRS_SB_G0: u8 = 78; +pub const R_ARM_LDRS_SB_G1: u8 = 79; +pub const R_ARM_LDRS_SB_G2: u8 = 80; +pub const R_ARM_LDC_SB_G0: u8 = 81; +pub const R_ARM_LDC_SB_G1: u8 = 82; +pub const R_ARM_LDC_SB_G2: u8 = 83; +pub const R_ARM_MOVW_BREL_NC: u8 = 84; +pub const R_ARM_MOVT_BREL: u8 = 85; +pub const R_ARM_MOVW_BREL: u8 = 86; +pub const R_ARM_THM_MOVW_BREL_NC: u8 = 87; +pub const R_ARM_THM_MOVT_BREL: u8 = 88; +pub const R_ARM_THM_MOVW_BREL: u8 = 89; +pub const R_ARM_TLS_GOTDESC: u8 = 90; +pub const R_ARM_TLS_CALL: u8 = 91; +pub const R_ARM_TLS_DESCSEQ: u8 = 92; +pub const R_ARM_THM_TLS_CALL: u8 = 93; +pub const R_ARM_PLT32_ABS: u8 = 94; +pub const R_ARM_GOT_ABS: u8 = 95; +pub const R_ARM_GOT_PREL: u8 = 96; +pub const R_ARM_GOT_BREL12: u8 = 97; +pub const R_ARM_GOTOFF12: u8 = 98; +pub const R_ARM_GOTRELAX: u8 = 99; +pub const R_ARM_GNU_VTENTRY: u8 = 100; +pub const R_ARM_GNU_VTINHERIT: u8 = 101; +pub const R_ARM_THM_PC11: u8 = 102; +pub const R_ARM_THM_PC9: u8 = 103; +pub const R_ARM_TLS_GD32: u8 = 104; +pub const R_ARM_TLS_LDM32: u8 = 105; +pub const R_ARM_TLS_LDO32: u8 = 106; +pub const R_ARM_TLS_IE32: u8 = 107; +pub const R_ARM_TLS_LE32: u8 = 108; +pub const R_ARM_TLS_LDO12: u8 = 109; +pub const R_ARM_TLS_LE12: u8 = 110; +pub const R_ARM_TLS_IE12GP: u8 = 111; +pub const R_ARM_ME_TOO: u8 = 128; +pub const R_ARM_THM_TLS_DESCSEQ: u8 = 129; +pub const R_ARM_THM_TLS_DESCSEQ16: u8 = 129; +pub const R_ARM_THM_TLS_DESCSEQ32: u8 = 130; +pub const R_ARM_THM_GOT_BREL12: u8 = 131; +pub const R_ARM_IRELATIVE: u8 = 160; +pub const R_ARM_RXPC25: u8 = 249; +pub const R_ARM_RSBREL32: u8 = 250; +pub const R_ARM_THM_RPC22: u8 = 251; +pub const R_ARM_RREL32: u8 = 252; +pub const R_ARM_RABS22: u8 = 253; +pub const R_ARM_RPC24: u8 = 254; +pub const R_ARM_RBASE: u8 = 255; pub const EF_IA_64_MASKOS: usize = 15; pub const EF_IA_64_ABI64: usize = 16; pub const EF_IA_64_ARCH: usize = 4278190080; diff --git a/libdyld/src/lib.rs b/libdyld/src/lib.rs index 953ceba..f040021 100644 --- a/libdyld/src/lib.rs +++ b/libdyld/src/lib.rs @@ -134,7 +134,8 @@ impl<'a> Library<'a> { pub unsafe fn rebind(&self, name: &[u8], addr: Elf32_Word) -> Result<(), Error<'a>> { for rela in self.pltrel.iter() { match ELF32_R_TYPE(rela.r_info) { - R_OR1K_32 | R_OR1K_GLOB_DAT | R_OR1K_JMP_SLOT => { + R_OR1K_32 | R_OR1K_GLOB_DAT | R_OR1K_JMP_SLOT | + R_ARM_GLOB_DAT | R_ARM_JUMP_SLOT => { let sym = self.symtab.get(ELF32_R_SYM(rela.r_info) as usize) .ok_or("symbol out of bounds of symbol table")?; let sym_name = self.name_starting_at(sym.st_name as usize)?; @@ -163,13 +164,14 @@ impl<'a> Library<'a> { let value; match ELF32_R_TYPE(rela.r_info) { - R_OR1K_NONE => + R_OR1K_NONE | R_ARM_NONE => return Ok(()), - R_OR1K_RELATIVE => + R_OR1K_RELATIVE | R_ARM_RELATIVE => value = self.image_off + rela.r_addend as Elf32_Word, - R_OR1K_32 | R_OR1K_GLOB_DAT | R_OR1K_JMP_SLOT => { + R_OR1K_32 | R_OR1K_GLOB_DAT | R_OR1K_JMP_SLOT | + R_ARM_GLOB_DAT | R_ARM_JUMP_SLOT => { let sym = sym.ok_or("relocation requires an associated symbol")?; let sym_name = self.name_starting_at(sym.st_name as usize)?; @@ -189,7 +191,8 @@ impl<'a> Library<'a> { } } - _ => return Err("unsupported relocation type")? + _ => + return Err("unsupported relocation type")?, } self.update_rela(rela, value)