/* 32-bit ELF support for ARM
- Copyright (C) 1998-2021 Free Software Foundation, Inc.
+ Copyright (C) 1998-2023 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
/* No relocation. */
HOWTO (R_ARM_NONE, /* type */
0, /* rightshift */
- 3, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* size */
0, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_PC24, /* type */
2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
24, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
/* 32 bit absolute */
HOWTO (R_ARM_ABS32, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
/* standard 32bit pc-relative reloc */
HOWTO (R_ARM_REL32, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
/* 8 bit absolute - R_ARM_LDR_PC_G0 in AAELF */
HOWTO (R_ARM_LDR_PC_G0, /* type */
0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 1, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
/* 16 bit absolute */
HOWTO (R_ARM_ABS16, /* type */
0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 2, /* size */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
/* 12 bit absolute */
HOWTO (R_ARM_ABS12, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_THM_ABS5, /* type */
6, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 2, /* size */
5, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
/* 8 bit absolute */
HOWTO (R_ARM_ABS8, /* type */
0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 1, /* size */
8, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_SBREL32, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_THM_CALL, /* type */
1, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
24, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_THM_PC8, /* type */
1, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 2, /* size */
8, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_BREL_ADJ, /* type */
1, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 2, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_TLS_DESC, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_THM_SWI8, /* type */
0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* size */
0, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
/* BLX instruction for the ARM. */
HOWTO (R_ARM_XPC25, /* type */
2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
24, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
/* BLX instruction for the Thumb. */
HOWTO (R_ARM_THM_XPC22, /* type */
2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
24, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_TLS_DTPMOD32, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_TLS_DTPOFF32, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_TLS_TPOFF32, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_COPY, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_GLOB_DAT, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_JUMP_SLOT, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_RELATIVE, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_GOTOFF32, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_GOTPC, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_GOT32, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_PLT32, /* type */
2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
24, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_CALL, /* type */
2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
24, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_JUMP24, /* type */
2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
24, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_THM_JUMP24, /* type */
1, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
24, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_BASE_ABS, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_ALU_PCREL7_0, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_ALU_PCREL15_8, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
true, /* pc_relative */
8, /* bitpos */
HOWTO (R_ARM_ALU_PCREL23_15, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
true, /* pc_relative */
16, /* bitpos */
HOWTO (R_ARM_LDR_SBREL_11_0, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_ALU_SBREL_19_12, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
8, /* bitsize */
false, /* pc_relative */
12, /* bitpos */
HOWTO (R_ARM_ALU_SBREL_27_20, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
8, /* bitsize */
false, /* pc_relative */
20, /* bitpos */
HOWTO (R_ARM_TARGET1, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_ROSEGREL32, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_V4BX, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_TARGET2, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_PREL31, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
31, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_MOVW_ABS_NC, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_MOVT_ABS, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_MOVW_PREL_NC, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_MOVT_PREL, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_THM_MOVW_ABS_NC, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_THM_MOVT_ABS, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_THM_MOVW_PREL_NC,/* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_THM_MOVT_PREL, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_THM_JUMP19, /* type */
1, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
19, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_THM_JUMP6, /* type */
1, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 2, /* size */
6, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
versa. */
HOWTO (R_ARM_THM_ALU_PREL_11_0,/* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
13, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_THM_PC12, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
13, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_ABS32_NOI, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_REL32_NOI, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_ALU_PC_G0_NC, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_ALU_PC_G0, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_ALU_PC_G1_NC, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_ALU_PC_G1, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_ALU_PC_G2, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_LDR_PC_G1, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_LDR_PC_G2, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_LDRS_PC_G0, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_LDRS_PC_G1, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_LDRS_PC_G2, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_LDC_PC_G0, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_LDC_PC_G1, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_LDC_PC_G2, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_ALU_SB_G0_NC, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_ALU_SB_G0, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_ALU_SB_G1_NC, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_ALU_SB_G1, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_ALU_SB_G2, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_LDR_SB_G0, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_LDR_SB_G1, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_LDR_SB_G2, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_LDRS_SB_G0, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_LDRS_SB_G1, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_LDRS_SB_G2, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_LDC_SB_G0, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_LDC_SB_G1, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_LDC_SB_G2, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_MOVW_BREL_NC, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_MOVT_BREL, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_MOVW_BREL, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_THM_MOVW_BREL_NC,/* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_THM_MOVT_BREL, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_THM_MOVW_BREL, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_TLS_GOTDESC, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_TLS_CALL, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
24, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_TLS_DESCSEQ, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
0, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_THM_TLS_CALL, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
24, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_PLT32_ABS, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_GOT_ABS, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_GOT_PREL, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_GOT_BREL12, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_GOTOFF12, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
/* GNU extension to record C++ vtable member usage */
HOWTO (R_ARM_GNU_VTENTRY, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
0, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
/* GNU extension to record C++ vtable hierarchy */
HOWTO (R_ARM_GNU_VTINHERIT, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
0, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_THM_JUMP11, /* type */
1, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 2, /* size */
11, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_THM_JUMP8, /* type */
1, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 2, /* size */
8, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
/* TLS relocations */
HOWTO (R_ARM_TLS_GD32, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_TLS_LDM32, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_TLS_LDO32, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_TLS_IE32, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_TLS_LE32, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_TLS_LDO12, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_TLS_LE12, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_TLS_IE12GP, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_THM_TLS_DESCSEQ, /* type */
0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 2, /* size */
0, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
EMPTY_HOWTO (131),
HOWTO (R_ARM_THM_ALU_ABS_G0_NC,/* type. */
0, /* rightshift. */
- 1, /* size (0 = byte, 1 = short, 2 = long). */
+ 2, /* size. */
16, /* bitsize. */
false, /* pc_relative. */
0, /* bitpos. */
false), /* pcrel_offset. */
HOWTO (R_ARM_THM_ALU_ABS_G1_NC,/* type. */
0, /* rightshift. */
- 1, /* size (0 = byte, 1 = short, 2 = long). */
+ 2, /* size. */
16, /* bitsize. */
false, /* pc_relative. */
0, /* bitpos. */
false), /* pcrel_offset. */
HOWTO (R_ARM_THM_ALU_ABS_G2_NC,/* type. */
0, /* rightshift. */
- 1, /* size (0 = byte, 1 = short, 2 = long). */
+ 2, /* size. */
16, /* bitsize. */
false, /* pc_relative. */
0, /* bitpos. */
false), /* pcrel_offset. */
HOWTO (R_ARM_THM_ALU_ABS_G3_NC,/* type. */
0, /* rightshift. */
- 1, /* size (0 = byte, 1 = short, 2 = long). */
+ 2, /* size. */
16, /* bitsize. */
false, /* pc_relative. */
0, /* bitpos. */
/* Relocations for Armv8.1-M Mainline. */
HOWTO (R_ARM_THM_BF16, /* type. */
0, /* rightshift. */
- 1, /* size (0 = byte, 1 = short, 2 = long). */
+ 2, /* size. */
16, /* bitsize. */
true, /* pc_relative. */
0, /* bitpos. */
true), /* pcrel_offset. */
HOWTO (R_ARM_THM_BF12, /* type. */
0, /* rightshift. */
- 1, /* size (0 = byte, 1 = short, 2 = long). */
+ 2, /* size. */
12, /* bitsize. */
true, /* pc_relative. */
0, /* bitpos. */
true), /* pcrel_offset. */
HOWTO (R_ARM_THM_BF18, /* type. */
0, /* rightshift. */
- 1, /* size (0 = byte, 1 = short, 2 = long). */
+ 2, /* size. */
18, /* bitsize. */
true, /* pc_relative. */
0, /* bitpos. */
{
HOWTO (R_ARM_IRELATIVE, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
false), /* pcrel_offset */
HOWTO (R_ARM_GOTFUNCDESC, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
false), /* pcrel_offset */
HOWTO (R_ARM_GOTOFFFUNCDESC, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
false), /* pcrel_offset */
HOWTO (R_ARM_FUNCDESC, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
false), /* pcrel_offset */
HOWTO (R_ARM_FUNCDESC_VALUE, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
64, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
false), /* pcrel_offset */
HOWTO (R_ARM_TLS_GD32_FDPIC, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
false), /* pcrel_offset */
HOWTO (R_ARM_TLS_LDM32_FDPIC, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
false), /* pcrel_offset */
HOWTO (R_ARM_TLS_IE32_FDPIC, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
{
HOWTO (R_ARM_RREL32, /* type */
0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* size */
0, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_RABS32, /* type */
0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* size */
0, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_RPC24, /* type */
0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* size */
0, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_RBASE, /* type */
0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* size */
0, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
0xea000000, /* b .Lplt_tail */
};
+/* PR 28924:
+ There was a bug due to too high values of THM_MAX_FWD_BRANCH_OFFSET and
+ THM2_MAX_FWD_BRANCH_OFFSET. The first macro concerns the case when Thumb-2
+ is not available, and second macro when Thumb-2 is available. Among other
+ things, they affect the range of branches represented as BLX instructions
+ in Encoding T2 defined in Section A8.8.25 of the ARM Architecture
+ Reference Manual ARMv7-A and ARMv7-R edition issue C.d. Such branches are
+ specified there to have a maximum forward offset that is a multiple of 4.
+ Previously, the respective values defined here were multiples of 2 but not
+ 4 and they are included in comments for reference. */
#define ARM_MAX_FWD_BRANCH_OFFSET ((((1 << 23) - 1) << 2) + 8)
-#define ARM_MAX_BWD_BRANCH_OFFSET ((-((1 << 23) << 2)) + 8)
-#define THM_MAX_FWD_BRANCH_OFFSET ((1 << 22) -2 + 4)
+#define ARM_MAX_BWD_BRANCH_OFFSET ((-((1 << 23) << 2)) + 8)
+#define THM_MAX_FWD_BRANCH_OFFSET ((1 << 22) - 4 + 4)
+/* #def THM_MAX_FWD_BRANCH_OFFSET ((1 << 22) - 2 + 4) */
#define THM_MAX_BWD_BRANCH_OFFSET (-(1 << 22) + 4)
-#define THM2_MAX_FWD_BRANCH_OFFSET (((1 << 24) - 2) + 4)
+#define THM2_MAX_FWD_BRANCH_OFFSET (((1 << 24) - 4) + 4)
+/* #def THM2_MAX_FWD_BRANCH_OFFSET (((1 << 24) - 2) + 4) */
#define THM2_MAX_BWD_BRANCH_OFFSET (-(1 << 24) + 4)
#define THM2_MAX_FWD_COND_BRANCH_OFFSET (((1 << 20) -2) + 4)
#define THM2_MAX_BWD_COND_BRANCH_OFFSET (-(1 << 20) + 4)
/* One entry per long/short branch stub defined above. */
#define DEF_STUBS \
- DEF_STUB(long_branch_any_any) \
- DEF_STUB(long_branch_v4t_arm_thumb) \
- DEF_STUB(long_branch_thumb_only) \
- DEF_STUB(long_branch_v4t_thumb_thumb) \
- DEF_STUB(long_branch_v4t_thumb_arm) \
- DEF_STUB(short_branch_v4t_thumb_arm) \
- DEF_STUB(long_branch_any_arm_pic) \
- DEF_STUB(long_branch_any_thumb_pic) \
- DEF_STUB(long_branch_v4t_thumb_thumb_pic) \
- DEF_STUB(long_branch_v4t_arm_thumb_pic) \
- DEF_STUB(long_branch_v4t_thumb_arm_pic) \
- DEF_STUB(long_branch_thumb_only_pic) \
- DEF_STUB(long_branch_any_tls_pic) \
- DEF_STUB(long_branch_v4t_thumb_tls_pic) \
- DEF_STUB(long_branch_arm_nacl) \
- DEF_STUB(long_branch_arm_nacl_pic) \
- DEF_STUB(cmse_branch_thumb_only) \
- DEF_STUB(a8_veneer_b_cond) \
- DEF_STUB(a8_veneer_b) \
- DEF_STUB(a8_veneer_bl) \
- DEF_STUB(a8_veneer_blx) \
- DEF_STUB(long_branch_thumb2_only) \
- DEF_STUB(long_branch_thumb2_only_pure)
+ DEF_STUB (long_branch_any_any) \
+ DEF_STUB (long_branch_v4t_arm_thumb) \
+ DEF_STUB (long_branch_thumb_only) \
+ DEF_STUB (long_branch_v4t_thumb_thumb) \
+ DEF_STUB (long_branch_v4t_thumb_arm) \
+ DEF_STUB (short_branch_v4t_thumb_arm) \
+ DEF_STUB (long_branch_any_arm_pic) \
+ DEF_STUB (long_branch_any_thumb_pic) \
+ DEF_STUB (long_branch_v4t_thumb_thumb_pic) \
+ DEF_STUB (long_branch_v4t_arm_thumb_pic) \
+ DEF_STUB (long_branch_v4t_thumb_arm_pic) \
+ DEF_STUB (long_branch_thumb_only_pic) \
+ DEF_STUB (long_branch_any_tls_pic) \
+ DEF_STUB (long_branch_v4t_thumb_tls_pic) \
+ DEF_STUB (long_branch_arm_nacl) \
+ DEF_STUB (long_branch_arm_nacl_pic) \
+ DEF_STUB (cmse_branch_thumb_only) \
+ DEF_STUB (a8_veneer_b_cond) \
+ DEF_STUB (a8_veneer_b) \
+ DEF_STUB (a8_veneer_bl) \
+ DEF_STUB (a8_veneer_blx) \
+ DEF_STUB (long_branch_thumb2_only) \
+ DEF_STUB (long_branch_thumb2_only_pure)
#define DEF_STUB(x) arm_stub_##x,
enum elf32_arm_stub_type
};
/* Structure to handle FDPIC support for local functions. */
-struct fdpic_local {
+struct fdpic_local
+{
unsigned int funcdesc_cnt;
unsigned int gotofffuncdesc_cnt;
int funcdesc_offset;
{
struct elf_obj_tdata root;
+ /* Zero to warn when linking objects with incompatible enum sizes. */
+ int no_enum_size_warning;
+
+ /* Zero to warn when linking objects with incompatible wchar_t sizes. */
+ int no_wchar_size_warning;
+
+ /* The number of entries in each of the arrays in this strcuture.
+ Used to avoid buffer overruns. */
+ bfd_size_type num_entries;
+
/* tls_type for each local got entry. */
char *local_got_tls_type;
/* Information for local symbols that need entries in .iplt. */
struct arm_local_iplt_info **local_iplt;
- /* Zero to warn when linking objects with incompatible enum sizes. */
- int no_enum_size_warning;
-
- /* Zero to warn when linking objects with incompatible wchar_t sizes. */
- int no_wchar_size_warning;
-
/* Maintains FDPIC counters and funcdesc info. */
struct fdpic_local *local_fdpic_cnts;
};
#define elf_arm_tdata(bfd) \
((struct elf_arm_obj_tdata *) (bfd)->tdata.any)
+#define elf32_arm_num_entries(bfd) \
+ (elf_arm_tdata (bfd)->num_entries)
+
#define elf32_arm_local_got_tls_type(bfd) \
(elf_arm_tdata (bfd)->local_got_tls_type)
asection *sreloc, Elf_Internal_Rela *rel);
static void
-arm_elf_fill_funcdesc(bfd *output_bfd,
- struct bfd_link_info *info,
- int *funcdesc_offset,
- int dynindx,
- int offset,
- bfd_vma addr,
- bfd_vma dynreloc_value,
- bfd_vma seg)
+arm_elf_fill_funcdesc (bfd *output_bfd,
+ struct bfd_link_info *info,
+ int *funcdesc_offset,
+ int dynindx,
+ int offset,
+ bfd_vma addr,
+ bfd_vma dynreloc_value,
+ bfd_vma seg)
{
if ((*funcdesc_offset & 1) == 0)
{
struct elf32_arm_link_hash_table *globals = elf32_arm_hash_table (info);
asection *sgot = globals->root.sgot;
- if (bfd_link_pic(info))
+ if (bfd_link_pic (info))
{
asection *srelgot = globals->root.srelgot;
Elf_Internal_Rela outrel;
+ hgot->root.u.def.section->output_section->vma
+ hgot->root.u.def.section->output_offset;
- arm_elf_add_rofixup(output_bfd, globals->srofixup,
- sgot->output_section->vma + sgot->output_offset
- + offset);
- arm_elf_add_rofixup(output_bfd, globals->srofixup,
- sgot->output_section->vma + sgot->output_offset
- + offset + 4);
+ arm_elf_add_rofixup (output_bfd, globals->srofixup,
+ sgot->output_section->vma + sgot->output_offset
+ + offset);
+ arm_elf_add_rofixup (output_bfd, globals->srofixup,
+ sgot->output_section->vma + sgot->output_offset
+ + offset + 4);
bfd_put_32 (output_bfd, dynreloc_value, sgot->contents + offset);
bfd_put_32 (output_bfd, got_value, sgot->contents + offset + 4);
}
if (elf_local_got_refcounts (abfd) == NULL)
{
bfd_size_type num_syms;
- bfd_size_type size;
- char *data;
+
+ elf32_arm_num_entries (abfd) = 0;
+
+ /* Whilst it might be tempting to allocate a single block of memory and
+ then divide it up amoungst the arrays in the elf_arm_obj_tdata
+ structure, this interferes with the work of memory checkers looking
+ for buffer overruns. So allocate each array individually. */
num_syms = elf_tdata (abfd)->symtab_hdr.sh_info;
- size = num_syms * (sizeof (bfd_signed_vma)
- + sizeof (bfd_vma)
- + sizeof (struct arm_local_iplt_info *)
- + sizeof (struct fdpic_local)
- + sizeof (char));
- data = bfd_zalloc (abfd, size);
- if (data == NULL)
+
+ elf_local_got_refcounts (abfd) = bfd_zalloc
+ (abfd, num_syms * sizeof (* elf_local_got_refcounts (abfd)));
+
+ if (elf_local_got_refcounts (abfd) == NULL)
+ return false;
+
+ elf32_arm_local_tlsdesc_gotent (abfd) = bfd_zalloc
+ (abfd, num_syms * sizeof (* elf32_arm_local_tlsdesc_gotent (abfd)));
+
+ if (elf32_arm_local_tlsdesc_gotent (abfd) == NULL)
return false;
- /* It is important that these all be allocated in descending
- order of required alignment, so that arrays allocated later
- will be sufficiently aligned. */
- elf_local_got_refcounts (abfd) = (bfd_signed_vma *) data;
- data += num_syms * sizeof (bfd_signed_vma);
+ elf32_arm_local_iplt (abfd) = bfd_zalloc
+ (abfd, num_syms * sizeof (* elf32_arm_local_iplt (abfd)));
- elf32_arm_local_tlsdesc_gotent (abfd) = (bfd_vma *) data;
- data += num_syms * sizeof (bfd_vma);
+ if (elf32_arm_local_iplt (abfd) == NULL)
+ return false;
+
+ elf32_arm_local_fdpic_cnts (abfd) = bfd_zalloc
+ (abfd, num_syms * sizeof (* elf32_arm_local_fdpic_cnts (abfd)));
+
+ if (elf32_arm_local_fdpic_cnts (abfd) == NULL)
+ return false;
- elf32_arm_local_iplt (abfd) = (struct arm_local_iplt_info **) data;
- data += num_syms * sizeof (struct arm_local_iplt_info *);
+ elf32_arm_local_got_tls_type (abfd) = bfd_zalloc
+ (abfd, num_syms * sizeof (* elf32_arm_local_got_tls_type (abfd)));
- elf32_arm_local_fdpic_cnts (abfd) = (struct fdpic_local *) data;
- data += num_syms * sizeof (struct fdpic_local);
+ if (elf32_arm_local_got_tls_type (abfd) == NULL)
+ return false;
+
+ elf32_arm_num_entries (abfd) = num_syms;
- elf32_arm_local_got_tls_type (abfd) = data;
#if GCC_VERSION >= 3000
BFD_ASSERT (__alignof__ (*elf32_arm_local_tlsdesc_gotent (abfd))
<= __alignof__ (*elf_local_got_refcounts (abfd)));
return NULL;
BFD_ASSERT (r_symndx < elf_tdata (abfd)->symtab_hdr.sh_info);
+ BFD_ASSERT (r_symndx < elf32_arm_num_entries (abfd));
ptr = &elf32_arm_local_iplt (abfd)[r_symndx];
if (*ptr == NULL)
*ptr = bfd_zalloc (abfd, sizeof (**ptr));
if (elf32_arm_local_iplt (abfd) == NULL)
return false;
+ if (r_symndx >= elf32_arm_num_entries (abfd))
+ return false;
+
local_iplt = elf32_arm_local_iplt (abfd)[r_symndx];
if (local_iplt == NULL)
return false;
htab = elf32_arm_hash_table (info);
- return (!using_thumb_only(htab) && (arm_plt->thumb_refcount != 0
+ return (!using_thumb_only (htab) && (arm_plt->thumb_refcount != 0
|| (!htab->use_blx && arm_plt->maybe_thumb_refcount != 0)));
}
s = bfd_section_from_elf_index (abfd, isym->st_shndx);
if (s == NULL)
- abort ();
+ return NULL;
vpp = &elf_section_data (s)->local_dynrel;
return (struct elf_dyn_relocs **) vpp;
bfd_elf_get_obj_attr_int (globals->obfd, OBJ_ATTR_PROC, Tag_CPU_arch);
/* Force return logic to be reviewed for each new architecture. */
- BFD_ASSERT (arch <= TAG_CPU_ARCH_V8_1M_MAIN);
+ BFD_ASSERT (arch <= TAG_CPU_ARCH_V9);
/* Architecture was introduced after ARMv6T2 (eg. ARMv6-M). */
return (arch == TAG_CPU_ARCH_V6T2
if (htab->fdpic_p) {
htab->plt_header_size = 0;
if (info->flags & DF_BIND_NOW)
- htab->plt_entry_size = 4 * (ARRAY_SIZE(elf32_arm_fdpic_plt_entry) - 5);
+ htab->plt_entry_size = 4 * (ARRAY_SIZE (elf32_arm_fdpic_plt_entry) - 5);
else
- htab->plt_entry_size = 4 * ARRAY_SIZE(elf32_arm_fdpic_plt_entry);
+ htab->plt_entry_size = 4 * ARRAY_SIZE (elf32_arm_fdpic_plt_entry);
}
if (!htab->root.splt
Tag_CPU_arch);
/* Force return logic to be reviewed for each new architecture. */
- BFD_ASSERT (arch <= TAG_CPU_ARCH_V8_1M_MAIN);
+ BFD_ASSERT (arch <= TAG_CPU_ARCH_V9);
return (arch == TAG_CPU_ARCH_V6T2
|| arch == TAG_CPU_ARCH_V6K
|| arch == TAG_CPU_ARCH_V7
|| arch == TAG_CPU_ARCH_V8
- || arch == TAG_CPU_ARCH_V8R);
+ || arch == TAG_CPU_ARCH_V8R
+ || arch == TAG_CPU_ARCH_V9);
}
static bool
/* If the input section is the CMSE stubs one and it needs a long
branch stub to reach it's final destination, give up with an
error message: this is not supported. See PR ld/24709. */
- if (!strncmp (input_section->name, CMSE_STUB_NAME, strlen(CMSE_STUB_NAME)))
+ if (!strncmp (input_section->name, CMSE_STUB_NAME, strlen (CMSE_STUB_NAME)))
{
bfd *output_bfd = htab->obfd;
asection *out_sec = bfd_get_section_by_name (output_bfd, CMSE_STUB_NAME);
+ h->root.root.u.def.value);
/* Exit, rather than leave incompletely processed
relocations. */
- xexit(1);
+ xexit (1);
}
/* If this input section is part of a group of sections sharing one
section. The user should fix his linker script. */
if (stub_entry->target_section->output_section == NULL
&& info->non_contiguous_regions)
- info->callbacks->einfo (_("%F%P: Could not assign '%pA' to an output section. "
+ info->callbacks->einfo (_("%F%P: Could not assign `%pA' to an output section. "
"Retry without --enable-non-contiguous-regions.\n"),
stub_entry->target_section);
/* Massage our args to the form they really have. */
stub_entry = (struct elf32_arm_stub_hash_entry *) gen_entry;
- BFD_ASSERT((stub_entry->stub_type > arm_stub_none)
- && stub_entry->stub_type < ARRAY_SIZE(stub_definitions));
+ BFD_ASSERT ((stub_entry->stub_type > arm_stub_none)
+ && stub_entry->stub_type < ARRAY_SIZE (stub_definitions));
size = find_stub_size_and_template (stub_entry->stub_type, &template_sequence,
&template_size);
else
{
cmse_hash = elf32_arm_hash_entry (sym_hashes[i - ext_start]);
+ if (cmse_hash == NULL)
+ continue;
+
sym_name = (char *) cmse_hash->root.root.root.string;
if (!startswith (sym_name, CMSE_PREFIX))
continue;
hash = elf_link_hash_lookup
(&(hash_table)->root, tmp_name, false, false, true);
- if (hash == NULL
- && asprintf (error_message, _("unable to find %s glue '%s' for '%s'"),
- "Thumb", tmp_name, name) == -1)
- *error_message = (char *) bfd_errmsg (bfd_error_system_call);
+ if (hash == NULL)
+ {
+ *error_message = bfd_asprintf (_("unable to find %s glue '%s' for '%s'"),
+ "Thumb", tmp_name, name);
+ if (*error_message == NULL)
+ *error_message = (char *) bfd_errmsg (bfd_error_system_call);
+ }
free (tmp_name);
myh = elf_link_hash_lookup
(&(hash_table)->root, tmp_name, false, false, true);
- if (myh == NULL
- && asprintf (error_message, _("unable to find %s glue '%s' for '%s'"),
- "ARM", tmp_name, name) == -1)
- *error_message = (char *) bfd_errmsg (bfd_error_system_call);
-
+ if (myh == NULL)
+ {
+ *error_message = bfd_asprintf (_("unable to find %s glue '%s' for '%s'"),
+ "ARM", tmp_name, name);
+ if (*error_message == NULL)
+ *error_message = (char *) bfd_errmsg (bfd_error_system_call);
+ }
free (tmp_name);
return myh;
if (sec->reloc_count == 0)
continue;
- if ((sec->flags & SEC_EXCLUDE) != 0)
+ if ((sec->flags & SEC_EXCLUDE) != 0
+ || (sec->flags & SEC_HAS_CONTENTS) == 0)
continue;
symtab_hdr = & elf_symtab_hdr (abfd);
}
else if (htab->fdpic_p)
{
- const bfd_vma *plt_entry = using_thumb_only(htab)
+ const bfd_vma *plt_entry = using_thumb_only (htab)
? elf32_arm_fdpic_thumb_plt_entry
: elf32_arm_fdpic_plt_entry;
/* As we are using 32 bit instructions even for the Thumb
version, we have to use 'put_arm_insn' instead of
'put_thumb_insn'. */
- put_arm_insn(htab, output_bfd, plt_entry[0], ptr + 0);
- put_arm_insn(htab, output_bfd, plt_entry[1], ptr + 4);
- put_arm_insn(htab, output_bfd, plt_entry[2], ptr + 8);
- put_arm_insn(htab, output_bfd, plt_entry[3], ptr + 12);
+ put_arm_insn (htab, output_bfd, plt_entry[0], ptr + 0);
+ put_arm_insn (htab, output_bfd, plt_entry[1], ptr + 4);
+ put_arm_insn (htab, output_bfd, plt_entry[2], ptr + 8);
+ put_arm_insn (htab, output_bfd, plt_entry[3], ptr + 12);
bfd_put_32 (output_bfd, got_offset, ptr + 16);
if (!(info->flags & DF_BIND_NOW))
bfd_put_32 (output_bfd,
htab->root.srelplt->reloc_count * RELOC_SIZE (htab),
ptr + 20);
- put_arm_insn(htab, output_bfd, plt_entry[6], ptr + 24);
- put_arm_insn(htab, output_bfd, plt_entry[7], ptr + 28);
- put_arm_insn(htab, output_bfd, plt_entry[8], ptr + 32);
- put_arm_insn(htab, output_bfd, plt_entry[9], ptr + 36);
+ put_arm_insn (htab, output_bfd, plt_entry[6], ptr + 24);
+ put_arm_insn (htab, output_bfd, plt_entry[7], ptr + 28);
+ put_arm_insn (htab, output_bfd, plt_entry[8], ptr + 32);
+ put_arm_insn (htab, output_bfd, plt_entry[9], ptr + 36);
}
}
else if (using_thumb_only (htab))
instruction that could be used to prevent it; it is
recommended that threaded FDPIC applications run with the
LD_BIND_NOW environment variable set. */
- bfd_put_32(output_bfd, plt_address + 0x18,
- sgot->contents + got_offset);
- bfd_put_32(output_bfd, -1 /*TODO*/,
- sgot->contents + got_offset + 4);
+ bfd_put_32 (output_bfd, plt_address + 0x18,
+ sgot->contents + got_offset);
+ bfd_put_32 (output_bfd, -1 /*TODO*/,
+ sgot->contents + got_offset + 4);
}
if (dynindx == -1)
lazy binding otherwise we put them in .rel.plt. For now,
we don't support lazy binding so put it in .rel.got. */
if (info->flags & DF_BIND_NOW)
- elf32_arm_add_dynreloc(output_bfd, info, htab->root.srelgot, &rel);
+ elf32_arm_add_dynreloc (output_bfd, info, htab->root.srelgot, &rel);
else
- elf32_arm_add_dynreloc(output_bfd, info, htab->root.srelplt, &rel);
+ elf32_arm_add_dynreloc (output_bfd, info, htab->root.srelplt, &rel);
}
else
{
{
bfd_vma sign;
- switch (howto->size)
+ switch (bfd_get_reloc_size (howto))
{
- case 0: addend = bfd_get_8 (input_bfd, hit_data); break;
- case 1: addend = bfd_get_16 (input_bfd, hit_data); break;
- case 2: addend = bfd_get_32 (input_bfd, hit_data); break;
+ case 1: addend = bfd_get_8 (input_bfd, hit_data); break;
+ case 2: addend = bfd_get_16 (input_bfd, hit_data); break;
+ case 4: addend = bfd_get_32 (input_bfd, hit_data); break;
default: addend = 0; break;
}
/* Note: the addend and signed_addend calculated here are
/* This symbol is local, or marked to become local. */
BFD_ASSERT (r_type == R_ARM_ABS32 || r_type == R_ARM_ABS32_NOI
- || (globals->fdpic_p && !bfd_link_pic(info)));
+ || (globals->fdpic_p && !bfd_link_pic (info)));
/* On SVR4-ish systems, the dynamic loader cannot
relocate the text and data segments independently,
so the symbol does not matter. */
must use an R_ARM_IRELATIVE relocation to obtain the
correct run-time address. */
outrel.r_info = ELF32_R_INFO (symbol, R_ARM_IRELATIVE);
- else if (globals->fdpic_p && !bfd_link_pic(info))
+ else if (globals->fdpic_p && !bfd_link_pic (info))
isrofixup = 1;
else
outrel.r_info = ELF32_R_INFO (symbol, R_ARM_RELATIVE);
}
if (isrofixup)
- arm_elf_add_rofixup(output_bfd, globals->srofixup, outrel.r_offset);
+ arm_elf_add_rofixup (output_bfd, globals->srofixup, outrel.r_offset);
else
elf32_arm_add_dynreloc (output_bfd, info, sreloc, &outrel);
if (isrofixup)
arm_elf_add_rofixup (output_bfd,
- elf32_arm_hash_table(info)->srofixup,
+ elf32_arm_hash_table (info)->srofixup,
sgot->output_section->vma
+ sgot->output_offset + off);
if (r_type == R_ARM_TLS_LDM32_FDPIC)
{
- bfd_put_32(output_bfd,
- globals->root.sgot->output_offset + off,
- contents + rel->r_offset);
+ bfd_put_32 (output_bfd,
+ globals->root.sgot->output_offset + off,
+ contents + rel->r_offset);
return bfd_reloc_ok;
}
else
{
BFD_ASSERT (local_got_offsets != NULL);
+
+ if (r_symndx >= elf32_arm_num_entries (input_bfd))
+ {
+ _bfd_error_handler (_("\
+%pB: expected symbol index in range 0..%lu but found local symbol with index %lu"),
+ input_bfd,
+ (unsigned long) elf32_arm_num_entries (input_bfd),
+ r_symndx);
+ return false;
+ }
off = local_got_offsets[r_symndx];
offplt = local_tlsdesc_gotents[r_symndx];
tls_type = elf32_arm_local_got_tls_type (input_bfd)[r_symndx];
/* Linker relaxations happens from one of the
R_ARM_{GOTDESC,CALL,DESCSEQ} relocations to IE or LE. */
- if (ELF32_R_TYPE(rel->r_info) != r_type)
+ if (ELF32_R_TYPE (rel->r_info) != r_type)
tls_type = GOT_TLS_IE;
BFD_ASSERT (tls_type != GOT_UNKNOWN);
else if (tls_type & GOT_TLS_GDESC)
off = offplt;
- if (ELF32_R_TYPE(rel->r_info) == R_ARM_TLS_CALL
- || ELF32_R_TYPE(rel->r_info) == R_ARM_THM_TLS_CALL)
+ if (ELF32_R_TYPE (rel->r_info) == R_ARM_TLS_CALL
+ || ELF32_R_TYPE (rel->r_info) == R_ARM_THM_TLS_CALL)
{
bfd_signed_vma offset;
/* TLS stubs are arm mode. The original symbol is a
+ globals->root.splt->output_offset
+ globals->tls_trampoline);
- if (ELF32_R_TYPE(rel->r_info) == R_ARM_TLS_CALL)
+ if (ELF32_R_TYPE (rel->r_info) == R_ARM_TLS_CALL)
{
unsigned long inst;
{
/* For FDPIC relocations, resolve to the offset of the GOT
entry from the start of GOT. */
- bfd_put_32(output_bfd,
- globals->root.sgot->output_offset + off,
- contents + rel->r_offset);
+ bfd_put_32 (output_bfd,
+ globals->root.sgot->output_offset + off,
+ contents + rel->r_offset);
return bfd_reloc_ok;
}
{
if (h == NULL)
{
- struct fdpic_local *local_fdpic_cnts = elf32_arm_local_fdpic_cnts(input_bfd);
+ struct fdpic_local *local_fdpic_cnts = elf32_arm_local_fdpic_cnts (input_bfd);
int dynindx = elf_section_data (sym_sec->output_section)->dynindx;
+
+ if (r_symndx >= elf32_arm_num_entries (input_bfd))
+ {
+ * error_message = _("local symbol index too big");
+ return bfd_reloc_dangerous;
+ }
+
int offset = local_fdpic_cnts[r_symndx].funcdesc_offset & ~1;
bfd_vma addr = dynreloc_value - sym_sec->output_section->vma;
bfd_vma seg = -1;
- if (bfd_link_pic(info) && dynindx == 0)
- abort();
+ if (bfd_link_pic (info) && dynindx == 0)
+ {
+ * error_message = _("no dynamic index information available");
+ return bfd_reloc_dangerous;
+ }
/* Resolve relocation. */
- bfd_put_32(output_bfd, (offset + sgot->output_offset)
+ bfd_put_32 (output_bfd, (offset + sgot->output_offset)
, contents + rel->r_offset);
/* Emit R_ARM_FUNCDESC_VALUE or two fixups on funcdesc if
not done yet. */
- arm_elf_fill_funcdesc(output_bfd, info,
- &local_fdpic_cnts[r_symndx].funcdesc_offset,
- dynindx, offset, addr, dynreloc_value, seg);
+ arm_elf_fill_funcdesc (output_bfd, info,
+ &local_fdpic_cnts[r_symndx].funcdesc_offset,
+ dynindx, offset, addr, dynreloc_value, seg);
}
else
{
addr = 0;
}
- if (bfd_link_pic(info) && dynindx == 0)
- abort();
+ if (bfd_link_pic (info) && dynindx == 0)
+ {
+ * error_message = _("no dynamic index information available");
+ return bfd_reloc_dangerous;
+ }
/* This case cannot occur since funcdesc is allocated by
the dynamic loader so we cannot resolve the relocation. */
if (h->dynindx != -1)
- abort();
+ {
+ * error_message = _("invalid dynamic index");
+ return bfd_reloc_dangerous;
+ }
/* Resolve relocation. */
- bfd_put_32(output_bfd, (offset + sgot->output_offset),
- contents + rel->r_offset);
+ bfd_put_32 (output_bfd, (offset + sgot->output_offset),
+ contents + rel->r_offset);
/* Emit R_ARM_FUNCDESC_VALUE on funcdesc if not done yet. */
- arm_elf_fill_funcdesc(output_bfd, info,
- &eh->fdpic_cnts.funcdesc_offset,
- dynindx, offset, addr, dynreloc_value, seg);
+ arm_elf_fill_funcdesc (output_bfd, info,
+ &eh->fdpic_cnts.funcdesc_offset,
+ dynindx, offset, addr, dynreloc_value, seg);
}
}
*unresolved_reloc_p = false;
Elf_Internal_Rela outrel;
/* Resolve relocation. */
- bfd_put_32(output_bfd, ((eh->fdpic_cnts.gotfuncdesc_offset & ~1)
- + sgot->output_offset),
- contents + rel->r_offset);
+ bfd_put_32 (output_bfd, ((eh->fdpic_cnts.gotfuncdesc_offset & ~1)
+ + sgot->output_offset),
+ contents + rel->r_offset);
/* Add funcdesc and associated R_ARM_FUNCDESC_VALUE. */
- if(h->dynindx == -1)
+ if (h->dynindx == -1)
{
int dynindx;
int offset = eh->fdpic_cnts.funcdesc_offset & ~1;
}
/* Emit R_ARM_FUNCDESC_VALUE on funcdesc if not done yet. */
- arm_elf_fill_funcdesc(output_bfd, info,
- &eh->fdpic_cnts.funcdesc_offset,
- dynindx, offset, addr, dynreloc_value, seg);
+ arm_elf_fill_funcdesc (output_bfd, info,
+ &eh->fdpic_cnts.funcdesc_offset,
+ dynindx, offset, addr, dynreloc_value, seg);
}
/* Add a dynamic relocation on GOT entry if not already done. */
{
outrel.r_info = ELF32_R_INFO (0, R_ARM_RELATIVE);
if (h->root.type == bfd_link_hash_undefweak)
- bfd_put_32(output_bfd, 0, sgot->contents
- + (eh->fdpic_cnts.gotfuncdesc_offset & ~1));
+ bfd_put_32 (output_bfd, 0, sgot->contents
+ + (eh->fdpic_cnts.gotfuncdesc_offset & ~1));
else
- bfd_put_32(output_bfd, sgot->output_section->vma
- + sgot->output_offset
- + (eh->fdpic_cnts.funcdesc_offset & ~1),
- sgot->contents
- + (eh->fdpic_cnts.gotfuncdesc_offset & ~1));
+ bfd_put_32 (output_bfd, sgot->output_section->vma
+ + sgot->output_offset
+ + (eh->fdpic_cnts.funcdesc_offset & ~1),
+ sgot->contents
+ + (eh->fdpic_cnts.gotfuncdesc_offset & ~1));
}
else
{
+ sgot->output_offset
+ (eh->fdpic_cnts.gotfuncdesc_offset & ~1);
outrel.r_addend = 0;
- if (h->dynindx == -1 && !bfd_link_pic(info))
+ if (h->dynindx == -1 && !bfd_link_pic (info))
if (h->root.type == bfd_link_hash_undefweak)
- arm_elf_add_rofixup(output_bfd, globals->srofixup, -1);
+ arm_elf_add_rofixup (output_bfd, globals->srofixup, -1);
else
- arm_elf_add_rofixup(output_bfd, globals->srofixup,
- outrel.r_offset);
+ arm_elf_add_rofixup (output_bfd, globals->srofixup,
+ outrel.r_offset);
else
elf32_arm_add_dynreloc (output_bfd, info, srelgot, &outrel);
eh->fdpic_cnts.gotfuncdesc_offset |= 1;
{
/* Such relocation on static function should not have been
emitted by the compiler. */
- abort();
+ return bfd_reloc_notsupported;
}
}
*unresolved_reloc_p = false;
{
if (h == NULL)
{
- struct fdpic_local *local_fdpic_cnts = elf32_arm_local_fdpic_cnts(input_bfd);
+ struct fdpic_local *local_fdpic_cnts = elf32_arm_local_fdpic_cnts (input_bfd);
Elf_Internal_Rela outrel;
int dynindx = elf_section_data (sym_sec->output_section)->dynindx;
+
+ if (r_symndx >= elf32_arm_num_entries (input_bfd))
+ {
+ * error_message = _("local symbol index too big");
+ return bfd_reloc_dangerous;
+ }
+
int offset = local_fdpic_cnts[r_symndx].funcdesc_offset & ~1;
bfd_vma addr = dynreloc_value - sym_sec->output_section->vma;
bfd_vma seg = -1;
- if (bfd_link_pic(info) && dynindx == 0)
- abort();
+ if (bfd_link_pic (info) && dynindx == 0)
+ {
+ * error_message = _("dynamic index information not available");
+ return bfd_reloc_dangerous;
+ }
/* Replace static FUNCDESC relocation with a
R_ARM_RELATIVE dynamic relocation or with a rofixup for
outrel.r_offset = input_section->output_section->vma
+ input_section->output_offset + rel->r_offset;
outrel.r_addend = 0;
- if (bfd_link_pic(info))
+ if (bfd_link_pic (info))
elf32_arm_add_dynreloc (output_bfd, info, srelgot, &outrel);
else
- arm_elf_add_rofixup(output_bfd, globals->srofixup, outrel.r_offset);
+ arm_elf_add_rofixup (output_bfd, globals->srofixup, outrel.r_offset);
bfd_put_32 (input_bfd, sgot->output_section->vma
+ sgot->output_offset + offset, hit_data);
/* Emit R_ARM_FUNCDESC_VALUE on funcdesc if not done yet. */
- arm_elf_fill_funcdesc(output_bfd, info,
- &local_fdpic_cnts[r_symndx].funcdesc_offset,
- dynindx, offset, addr, dynreloc_value, seg);
+ arm_elf_fill_funcdesc (output_bfd, info,
+ &local_fdpic_cnts[r_symndx].funcdesc_offset,
+ dynindx, offset, addr, dynreloc_value, seg);
}
else
{
addr = 0;
}
- if (bfd_link_pic(info) && dynindx == 0)
- abort();
+ if (bfd_link_pic (info) && dynindx == 0)
+ abort ();
/* Replace static FUNCDESC relocation with a
R_ARM_RELATIVE dynamic relocation. */
outrel.r_offset = input_section->output_section->vma
+ input_section->output_offset + rel->r_offset;
outrel.r_addend = 0;
- if (bfd_link_pic(info))
+ if (bfd_link_pic (info))
elf32_arm_add_dynreloc (output_bfd, info, srelgot, &outrel);
else
- arm_elf_add_rofixup(output_bfd, globals->srofixup, outrel.r_offset);
+ arm_elf_add_rofixup (output_bfd, globals->srofixup, outrel.r_offset);
bfd_put_32 (input_bfd, sgot->output_section->vma
+ sgot->output_offset + offset, hit_data);
/* Emit R_ARM_FUNCDESC_VALUE on funcdesc if not done yet. */
- arm_elf_fill_funcdesc(output_bfd, info,
- &eh->fdpic_cnts.funcdesc_offset,
- dynindx, offset, addr, dynreloc_value, seg);
+ arm_elf_fill_funcdesc (output_bfd, info,
+ &eh->fdpic_cnts.funcdesc_offset,
+ dynindx, offset, addr, dynreloc_value, seg);
}
else
{
case R_ARM_PLT32:
case R_ARM_CALL:
case R_ARM_JUMP24:
- addend <<= howto->size;
+ addend *= bfd_get_reloc_size (howto);
addend += increment;
/* Should we check for overflow here ? */
static _arm_elf_section_data *get_arm_elf_section_data (asection *);
/* Increase the size of EXIDX_SEC by ADJUST bytes. ADJUST mau be negative. */
+
static void
-adjust_exidx_size(asection *exidx_sec, int adjust)
+adjust_exidx_size (asection *exidx_sec, int adjust)
{
asection *out_sec;
bfd_set_section_size (exidx_sec, exidx_sec->size + adjust);
out_sec = exidx_sec->output_section;
/* Adjust size of output section. */
- bfd_set_section_size (out_sec, out_sec->size +adjust);
+ bfd_set_section_size (out_sec, out_sec->size + adjust);
}
/* Insert an EXIDX_CANTUNWIND marker at the end of a section. */
+
static void
-insert_cantunwind_after(asection *text_sec, asection *exidx_sec)
+insert_cantunwind_after (asection *text_sec, asection *exidx_sec)
{
struct _arm_elf_section_data *exidx_arm_data;
exidx_arm_data = get_arm_elf_section_data (exidx_sec);
- add_unwind_table_edit (
- &exidx_arm_data->u.exidx.unwind_edit_list,
- &exidx_arm_data->u.exidx.unwind_edit_tail,
- INSERT_EXIDX_CANTUNWIND_AT_END, text_sec, UINT_MAX);
+ add_unwind_table_edit
+ (&exidx_arm_data->u.exidx.unwind_edit_list,
+ &exidx_arm_data->u.exidx.unwind_edit_tail,
+ INSERT_EXIDX_CANTUNWIND_AT_END, text_sec, UINT_MAX);
exidx_arm_data->additional_reloc_count++;
- adjust_exidx_size(exidx_sec, 8);
+ adjust_exidx_size (exidx_sec, 8);
}
/* Scan .ARM.exidx tables, and create a list describing edits which should be
if (sec->size == 0)
continue;
- insert_cantunwind_after(last_text_sec, last_exidx_sec);
+ insert_cantunwind_after (last_text_sec, last_exidx_sec);
last_unwind_type = 0;
continue;
}
exidx_arm_data->u.exidx.unwind_edit_tail = unwind_edit_tail;
if (deleted_exidx_bytes > 0)
- adjust_exidx_size(exidx_sec, -deleted_exidx_bytes);
+ adjust_exidx_size (exidx_sec, - deleted_exidx_bytes);
last_exidx_sec = exidx_sec;
last_text_sec = sec;
/* Add terminating CANTUNWIND entry. */
if (!bfd_link_relocatable (info) && last_exidx_sec
&& last_unwind_type != 0)
- insert_cantunwind_after(last_text_sec, last_exidx_sec);
+ insert_cantunwind_after (last_text_sec, last_exidx_sec);
return true;
}
return bfd_mach_arm_8M_MAIN;
case TAG_CPU_ARCH_V8_1M_MAIN:
return bfd_mach_arm_8_1M_MAIN;
+ case TAG_CPU_ARCH_V9:
+ return bfd_mach_arm_9;
default:
/* Force entry to be added for any new known Tag_CPU_arch value. */
static int
tag_cpu_arch_combine (bfd *ibfd, int oldtag, int *secondary_compat_out,
- int newtag, int secondary_compat)
+ int newtag, int secondary_compat, const char* name_table[])
{
#define T(X) TAG_CPU_ARCH_##X
int tagl, tagh, result;
T(V8), /* V6_M. */
T(V8), /* V6S_M. */
T(V8), /* V7E_M. */
- T(V8) /* V8. */
+ T(V8), /* V8. */
+ T(V8), /* V8-R. */
+ T(V8), /* V8-M.BASE. */
+ T(V8), /* V8-M.MAIN. */
+ T(V8), /* V8.1. */
+ T(V8), /* V8.2. */
+ T(V8), /* V8.3. */
+ T(V8), /* V8.1-M.MAIN. */
};
const int v8r[] =
{
-1, /* Unused (20). */
T(V8_1M_MAIN) /* V8.1-M MAINLINE. */
};
+ const int v9[] =
+ {
+ T(V9), /* PRE_V4. */
+ T(V9), /* V4. */
+ T(V9), /* V4T. */
+ T(V9), /* V5T. */
+ T(V9), /* V5TE. */
+ T(V9), /* V5TEJ. */
+ T(V9), /* V6. */
+ T(V9), /* V6KZ. */
+ T(V9), /* V6T2. */
+ T(V9), /* V6K. */
+ T(V9), /* V7. */
+ T(V9), /* V6_M. */
+ T(V9), /* V6S_M. */
+ T(V9), /* V7E_M. */
+ T(V9), /* V8. */
+ T(V9), /* V8-R. */
+ T(V9), /* V8-M.BASE. */
+ T(V9), /* V8-M.MAIN. */
+ T(V9), /* V8.1. */
+ T(V9), /* V8.2. */
+ T(V9), /* V8.3. */
+ T(V9), /* V8.1-M.MAIN. */
+ T(V9), /* V9. */
+ };
const int v4t_plus_v6_m[] =
{
-1, /* PRE_V4. */
-1, /* Unused (19). */
-1, /* Unused (20). */
T(V8_1M_MAIN), /* V8.1-M MAINLINE. */
+ T(V9), /* V9. */
T(V4T_PLUS_V6_M) /* V4T plus V6_M. */
};
const int *comb[] =
NULL,
NULL,
v8_1m_mainline,
+ v9,
/* Pseudo-architecture. */
v4t_plus_v6_m
};
if (result == -1)
{
- _bfd_error_handler (_("error: %pB: conflicting CPU architectures %d/%d"),
- ibfd, oldtag, newtag);
+ _bfd_error_handler (_("error: conflicting CPU architectures %s vs %s in %pB"),
+ name_table[oldtag], name_table[newtag], ibfd);
return -1;
}
out_attr[Tag_MPextension_use_legacy].i = 0;
}
+ /* PR 28859 and 28848: Handle the case where the first input file,
+ eg crti.o, has a Tag_ABI_HardFP_use of 3 but no Tag_FP_arch set.
+ Using Tag_ABI_HardFP_use in this way is deprecated, so reset the
+ attribute to zero.
+ FIXME: Should we handle other non-zero values of Tag_ABI_HardFO_use ? */
+ if (out_attr[Tag_ABI_HardFP_use].i == 3 && out_attr[Tag_FP_arch].i == 0)
+ out_attr[Tag_ABI_HardFP_use].i = 0;
+
return result;
}
"ARM v7",
"ARM v6-M",
"ARM v6S-M",
+ "ARM v7E-M",
"ARM v8",
- "",
+ "ARM v8-R",
"ARM v8-M.baseline",
"ARM v8-M.mainline",
+ "ARM v8.1-A",
+ "ARM v8.2-A",
+ "ARM v8.3-A",
+ "ARM v8.1-M.mainline",
+ "ARM v9",
};
/* Merge Tag_CPU_arch and Tag_also_compatible_with. */
arch_attr = tag_cpu_arch_combine (ibfd, out_attr[i].i,
&secondary_compat_out,
in_attr[i].i,
- secondary_compat);
+ secondary_compat,
+ name_table);
/* Return with error if failed to merge. */
if (arch_attr == -1)
case Tag_T2EE_use:
case Tag_MPextension_use:
case Tag_MVE_arch:
+ case Tag_PAC_extension:
+ case Tag_BTI_extension:
+ case Tag_BTI_use:
+ case Tag_PACRET_use:
/* Use the largest value specified. */
if (in_attr[i].i > out_attr[i].i)
out_attr[i].i = in_attr[i].i;
static const char *aeabi_enum_names[] =
{ "", "variable-size", "32-bit", "" };
const char *in_name =
- in_attr[i].i < ARRAY_SIZE(aeabi_enum_names)
+ in_attr[i].i < ARRAY_SIZE (aeabi_enum_names)
? aeabi_enum_names[in_attr[i].i]
: "<unknown>";
const char *out_name =
- out_attr[i].i < ARRAY_SIZE(aeabi_enum_names)
+ out_attr[i].i < ARRAY_SIZE (aeabi_enum_names)
? aeabi_enum_names[out_attr[i].i]
: "<unknown>";
_bfd_error_handler
{
if (!elf32_arm_allocate_local_sym_info (abfd))
return false;
- elf32_arm_local_fdpic_cnts(abfd)[r_symndx].gotofffuncdesc_cnt += 1;
- elf32_arm_local_fdpic_cnts(abfd)[r_symndx].funcdesc_offset = -1;
+ if (r_symndx >= elf32_arm_num_entries (abfd))
+ return false;
+ elf32_arm_local_fdpic_cnts (abfd) [r_symndx].gotofffuncdesc_cnt += 1;
+ elf32_arm_local_fdpic_cnts (abfd) [r_symndx].funcdesc_offset = -1;
}
else
{
if (h == NULL)
{
/* Such a relocation is not supposed to be generated
- by gcc on a static function. */
+ by gcc on a static function. */
/* Anyway if needed it could be handled. */
- abort();
+ return false;
}
else
{
{
if (!elf32_arm_allocate_local_sym_info (abfd))
return false;
- elf32_arm_local_fdpic_cnts(abfd)[r_symndx].funcdesc_cnt += 1;
- elf32_arm_local_fdpic_cnts(abfd)[r_symndx].funcdesc_offset = -1;
+ if (r_symndx >= elf32_arm_num_entries (abfd))
+ return false;
+ elf32_arm_local_fdpic_cnts (abfd) [r_symndx].funcdesc_cnt += 1;
+ elf32_arm_local_fdpic_cnts (abfd) [r_symndx].funcdesc_offset = -1;
}
else
{
/* This is a global offset table entry for a local symbol. */
if (!elf32_arm_allocate_local_sym_info (abfd))
return false;
+ if (r_symndx >= elf32_arm_num_entries (abfd))
+ {
+ _bfd_error_handler (_("%pB: bad symbol index: %d"), abfd,
+ r_symndx);
+ return false;
+ }
+
elf_local_got_refcounts (abfd)[r_symndx] += 1;
old_tls_type = elf32_arm_local_got_tls_type (abfd) [r_symndx];
}
if (elf32_arm_howto_from_type (r_type)->pc_relative)
p->pc_count += 1;
p->count += 1;
- if (h == NULL && htab->fdpic_p && !bfd_link_pic(info)
- && r_type != R_ARM_ABS32 && r_type != R_ARM_ABS32_NOI) {
- /* Here we only support R_ARM_ABS32 and R_ARM_ABS32_NOI
- that will become rofixup. */
- /* This is due to the fact that we suppose all will become rofixup. */
- fprintf(stderr, "FDPIC does not yet support %d relocation to become dynamic for executable\n", r_type);
- _bfd_error_handler
- (_("FDPIC does not yet support %s relocation"
- " to become dynamic for executable"),
- elf32_arm_howto_table_1[r_type].name);
- abort();
- }
+ if (h == NULL && htab->fdpic_p && !bfd_link_pic (info)
+ && r_type != R_ARM_ABS32 && r_type != R_ARM_ABS32_NOI)
+ {
+ /* Here we only support R_ARM_ABS32 and R_ARM_ABS32_NOI
+ that will become rofixup. */
+ /* This is due to the fact that we suppose all will become rofixup. */
+ _bfd_error_handler
+ (_("FDPIC does not yet support %s relocation"
+ " to become dynamic for executable"),
+ elf32_arm_howto_table_1[r_type].name);
+ abort ();
+ }
}
}
struct elf_link_hash_entry **sym_hashes;
struct elf32_arm_link_hash_entry *cmse_hash;
bool again, is_v8m, first_bfd_browse = true;
- bool debug_sec_need_to_be_marked = false;
+ bool extra_marks_added = false;
asection *isec;
_bfd_elf_gc_mark_extra_sections (info, gc_mark_hook);
of them so no need for a second browsing. */
if (is_v8m && first_bfd_browse)
{
+ bool debug_sec_need_to_be_marked = false;
+
sym_hashes = elf_sym_hashes (sub);
bed = get_elf_backend_data (sub);
symtab_hdr = &elf_tdata (sub)->symtab_hdr;
for (i = ext_start; i < sym_count; i++)
{
cmse_hash = elf32_arm_hash_entry (sym_hashes[i - ext_start]);
+ if (cmse_hash == NULL)
+ continue;
/* Assume it is a special symbol. If not, cmse_scan will
warn about it and user can do something about it. */
if (startswith (cmse_hash->root.root.root.string,
- CMSE_PREFIX))
+ CMSE_PREFIX))
{
cmse_sec = cmse_hash->root.root.u.def.section;
if (!cmse_sec->gc_mark
{
/* If not a debug sections, skip it. */
if (!isec->gc_mark && (isec->flags & SEC_DEBUGGING))
- isec->gc_mark = 1 ;
+ {
+ isec->gc_mark = 1;
+ extra_marks_added = true;
+ }
}
debug_sec_need_to_be_marked = false;
}
}
}
+
first_bfd_browse = false;
}
+ /* PR 30354: If we have added extra marks then make sure that any
+ dependencies of the newly marked sections are also marked. */
+ if (extra_marks_added)
+ _bfd_elf_gc_mark_extra_sections (info, gc_mark_hook);
+
return true;
}
default:
return 0;
}
-
+
if ((sym->flags & BSF_LOCAL)
&& bfd_is_arm_special_symbol_name (sym->name,
BFD_ARM_SPECIAL_SYM_TYPE_ANY))
{
/* Symbol musn't be exported. */
if (h->dynindx != -1)
- abort();
+ abort ();
/* We only allocate one function descriptor with its associated
relocation. */
eh->fdpic_cnts.funcdesc_offset = s->size;
s->size += 8;
/* We will add an R_ARM_FUNCDESC_VALUE relocation or two rofixups. */
- if (bfd_link_pic(info))
+ if (bfd_link_pic (info))
elf32_arm_allocate_dynrelocs (info, htab->root.srelgot, 1);
else
htab->srofixup->size += 8;
s->size += 8;
/* We will add an R_ARM_FUNCDESC_VALUE relocation or two
rofixups. */
- if (bfd_link_pic(info))
+ if (bfd_link_pic (info))
elf32_arm_allocate_dynrelocs (info, htab->root.srelgot, 1);
else
htab->srofixup->size += 8;
R_ARM_RELATIVE/rofixup relocation on it. */
eh->fdpic_cnts.gotfuncdesc_offset = s->size;
s->size += 4;
- if (h->dynindx == -1 && !bfd_link_pic(info))
+ if (h->dynindx == -1 && !bfd_link_pic (info))
htab->srofixup->size += 4;
else
elf32_arm_allocate_dynrelocs (info, htab->root.srelgot, 1);
s->size += 8;
/* We will add an R_ARM_FUNCDESC_VALUE relocation or two
rofixups. */
- if (bfd_link_pic(info))
+ if (bfd_link_pic (info))
elf32_arm_allocate_dynrelocs (info, htab->root.srelgot, 1);
else
htab->srofixup->size += 8;
}
}
- if (h->dynindx == -1 && !bfd_link_pic(info))
+ if (h->dynindx == -1 && !bfd_link_pic (info))
{
/* For FDPIC executable we replace R_ARM_RELATIVE with a rofixup. */
htab->srofixup->size += 4 * eh->fdpic_cnts.funcdesc_cnt;
&& SYMBOL_REFERENCES_LOCAL (info, h))
elf32_arm_allocate_irelocs (info, sreloc, p->count);
else if (h->dynindx != -1
- && (!bfd_link_pic(info) || !info->symbolic || !h->def_regular))
+ && (!bfd_link_pic (info) || !info->symbolic || !h->def_regular))
elf32_arm_allocate_dynrelocs (info, sreloc, p->count);
- else if (htab->fdpic_p && !bfd_link_pic(info))
+ else if (htab->fdpic_p && !bfd_link_pic (info))
htab->srofixup->size += 4 * p->count;
else
elf32_arm_allocate_dynrelocs (info, sreloc, p->count);
else if (p->count != 0)
{
srel = elf_section_data (p->sec)->sreloc;
- if (htab->fdpic_p && !bfd_link_pic(info))
+ if (htab->fdpic_p && !bfd_link_pic (info))
htab->srofixup->size += 4 * p->count;
else
elf32_arm_allocate_dynrelocs (info, srel, p->count);
}
local_got = elf_local_got_refcounts (ibfd);
- if (!local_got)
+ if (local_got == NULL)
continue;
symtab_hdr = & elf_symtab_hdr (ibfd);
++local_got, ++local_iplt_ptr, ++local_tls_type,
++local_tlsdesc_gotent, ++symndx, ++local_fdpic_cnts)
{
+ if (symndx >= elf32_arm_num_entries (ibfd))
+ return false;
+
*local_tlsdesc_gotent = (bfd_vma) -1;
local_iplt = *local_iplt_ptr;
s->size += 8;
/* We will add an R_ARM_FUNCDESC_VALUE relocation or two rofixups. */
- if (bfd_link_pic(info))
+ if (bfd_link_pic (info))
elf32_arm_allocate_dynrelocs (info, srel, 1);
else
htab->srofixup->size += 8;
s->size += 8;
/* We will add an R_ARM_FUNCDESC_VALUE relocation or two rofixups. */
- if (bfd_link_pic(info))
+ if (bfd_link_pic (info))
elf32_arm_allocate_dynrelocs (info, srel, 1);
else
htab->srofixup->size += 8;
}
/* We will add n R_ARM_RELATIVE relocations or n rofixups. */
- if (bfd_link_pic(info))
+ if (bfd_link_pic (info))
elf32_arm_allocate_dynrelocs (info, srel, local_fdpic_cnts->funcdesc_cnt);
else
htab->srofixup->size += 4 * local_fdpic_cnts->funcdesc_cnt;
for them, it suffices to multiply the reloc count by the jump
slot size. */
if (htab->root.srelplt)
- htab->sgotplt_jump_table_size = elf32_arm_compute_jump_table_size(htab);
+ htab->sgotplt_jump_table_size = elf32_arm_compute_jump_table_size (htab);
if (htab->tls_trampoline)
{
+ hgot->root.u.def.section->output_section->vma
+ hgot->root.u.def.section->output_offset;
- arm_elf_add_rofixup(output_bfd, htab->srofixup, got_value);
+ arm_elf_add_rofixup (output_bfd, htab->srofixup, got_value);
/* Make sure we allocated and generated the same number of fixups. */
BFD_ASSERT (htab->srofixup->reloc_count * 4 == htab->srofixup->size);
const asection *rel_sec ATTRIBUTE_UNUSED,
const Elf_Internal_Rela *rela)
{
+ struct elf32_arm_link_hash_table *htab = elf32_arm_hash_table (info);
+
+ if (htab->root.dynsym != NULL
+ && htab->root.dynsym->contents != NULL)
+ {
+ /* Check relocation against STT_GNU_IFUNC symbol if there are
+ dynamic symbols. */
+ bfd *abfd = info->output_bfd;
+ const struct elf_backend_data *bed = get_elf_backend_data (abfd);
+ unsigned long r_symndx = ELF32_R_SYM (rela->r_info);
+ if (r_symndx != STN_UNDEF)
+ {
+ Elf_Internal_Sym sym;
+ if (!bed->s->swap_symbol_in (abfd,
+ (htab->root.dynsym->contents
+ + r_symndx * bed->s->sizeof_sym),
+ 0, &sym))
+ {
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%pB symbol number %lu references"
+ " nonexistent SHT_SYMTAB_SHNDX section"),
+ abfd, r_symndx);
+ /* Ideally an error class should be returned here. */
+ }
+ else if (ELF_ST_TYPE (sym.st_info) == STT_GNU_IFUNC)
+ return reloc_class_ifunc;
+ }
+ }
+
switch ((int) ELF32_R_TYPE (rela->r_info))
{
case R_ARM_RELATIVE:
}
else if (htab->fdpic_p)
{
- enum map_symbol_type type = using_thumb_only(htab)
+ enum map_symbol_type type = using_thumb_only (htab)
? ARM_MAP_THUMB
: ARM_MAP_ARM;
return false;
if (!elf32_arm_output_map_sym (osi, ARM_MAP_DATA, addr + 16))
return false;
- if (htab->plt_entry_size == 4 * ARRAY_SIZE(elf32_arm_fdpic_plt_entry))
+ if (htab->plt_entry_size == 4 * ARRAY_SIZE (elf32_arm_fdpic_plt_entry))
if (!elf32_arm_output_map_sym (osi, type, addr + 24))
return false;
}
bfd_size_type size;
bfd *input_bfd;
+ if (info->strip == strip_all
+ && !info->emitrelocations
+ && !bfd_link_relocatable (info))
+ return true;
+
htab = elf32_arm_hash_table (info);
if (htab == NULL)
return false;
if (local_iplt != NULL)
{
num_syms = elf_symtab_hdr (input_bfd).sh_info;
+ if (num_syms > elf32_arm_num_entries (input_bfd))
+ {
+ _bfd_error_handler (_("\
+%pB: Number of symbols in input file has increased from %lu to %u\n"),
+ input_bfd,
+ (unsigned long) elf32_arm_num_entries (input_bfd),
+ num_syms);
+ return false;
+ }
for (i = 0; i < num_syms; i++)
if (local_iplt[i] != NULL
&& !elf32_arm_output_plt_map_1 (&osi, true,
or (bfd_vma) -1 if size can not be determined. */
static bfd_vma
-elf32_arm_plt0_size (const bfd *abfd, const bfd_byte *addr)
+elf32_arm_plt0_size (const bfd *abfd, const bfd_byte *addr,
+ bfd_size_type data_size)
{
bfd_vma first_word;
bfd_vma plt0_size;
+ if (data_size < 4)
+ return (bfd_vma) -1;
+
first_word = read_code32 (abfd, addr);
if (first_word == elf32_arm_plt0_entry[0])
or (bfd_vma) -1 if size can not be determined. */
static bfd_vma
-elf32_arm_plt_size (const bfd *abfd, const bfd_byte *start, bfd_vma offset)
+elf32_arm_plt_size (const bfd *abfd, const bfd_byte *start, bfd_vma offset,
+ bfd_size_type data_size)
{
bfd_vma first_insn;
bfd_vma plt_size = 0;
- const bfd_byte *addr = start + offset;
/* PLT entry size if fixed on Thumb-only platforms. */
if (read_code32 (abfd, start) == elf32_thumb2_plt0_entry[0])
- return 4 * ARRAY_SIZE (elf32_thumb2_plt_entry);
+ return 4 * ARRAY_SIZE (elf32_thumb2_plt_entry);
/* Respect Thumb stub if necessary. */
- if (read_code16 (abfd, addr) == elf32_arm_plt_thumb_stub[0])
+ if (offset + 2 > data_size)
+ return (bfd_vma) -1;
+ if (read_code16 (abfd, start + offset) == elf32_arm_plt_thumb_stub[0])
{
- plt_size += 2 * ARRAY_SIZE(elf32_arm_plt_thumb_stub);
+ plt_size += 2 * ARRAY_SIZE (elf32_arm_plt_thumb_stub);
}
/* Strip immediate from first add. */
- first_insn = read_code32 (abfd, addr + plt_size) & 0xffffff00;
+ if (offset + plt_size + 4 > data_size)
+ return (bfd_vma) -1;
+ first_insn = read_code32 (abfd, start + offset + plt_size) & 0xffffff00;
#ifdef FOUR_WORD_PLT
if (first_insn == elf32_arm_plt_entry[0])
if (!elf32_arm_size_info.slurp_reloc_table (abfd, relplt, dynsyms, true))
return -1;
- data = plt->contents;
- if (data == NULL)
- {
- if (!bfd_get_full_section_contents(abfd, (asection *) plt, &data) || data == NULL)
- return -1;
- bfd_cache_section_contents((asection *) plt, data);
- }
+ data = NULL;
+ if (!bfd_get_full_section_contents (abfd, plt, &data))
+ return -1;
- count = relplt->size / hdr->sh_entsize;
+ count = NUM_SHDR_ENTRIES (hdr);
size = count * sizeof (asymbol);
p = relplt->relocation;
for (i = 0; i < count; i++, p += elf32_arm_size_info.int_rels_per_ext_rel)
size += sizeof ("+0x") - 1 + 8;
}
- s = *ret = (asymbol *) bfd_malloc (size);
- if (s == NULL)
- return -1;
-
- offset = elf32_arm_plt0_size (abfd, data);
- if (offset == (bfd_vma) -1)
- return -1;
+ offset = elf32_arm_plt0_size (abfd, data, plt->size);
+ if (offset == (bfd_vma) -1
+ || (s = *ret = (asymbol *) bfd_malloc (size)) == NULL)
+ {
+ free (data);
+ return -1;
+ }
names = (char *) (s + count);
p = relplt->relocation;
{
size_t len;
- bfd_vma plt_size = elf32_arm_plt_size (abfd, data, offset);
+ bfd_vma plt_size = elf32_arm_plt_size (abfd, data, offset, plt->size);
if (plt_size == (bfd_vma) -1)
break;
offset += plt_size;
}
+ free (data);
return n;
}
#define ELF_ARCH bfd_arch_arm
#define ELF_TARGET_ID ARM_ELF_DATA
#define ELF_MACHINE_CODE EM_ARM
-#ifdef __QNXTARGET__
#define ELF_MAXPAGESIZE 0x1000
-#else
-#define ELF_MAXPAGESIZE 0x10000
-#endif
-#define ELF_MINPAGESIZE 0x1000
#define ELF_COMMONPAGESIZE 0x1000
#define bfd_elf32_mkobject elf32_arm_mkobject
#define elf_backend_dtrel_excludes_plt 1
#define elf_backend_got_header_size 12
-#define elf_backend_extern_protected_data 1
+#define elf_backend_extern_protected_data 0
#undef elf_backend_obj_attrs_vendor
#define elf_backend_obj_attrs_vendor "aeabi"
#undef elf_backend_final_write_processing
#define elf_backend_final_write_processing elf32_arm_final_write_processing
#undef ELF_MINPAGESIZE
-#define ELF_MINPAGESIZE 0x1000
#undef ELF_COMMONPAGESIZE
#define ELF_COMMONPAGESIZE 0x1000
projects / thirdparty / binutils-gdb.git / blobdiff