diff options
author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-06-19 17:55:09 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-06-19 17:55:09 +0000 |
commit | 3019d4d5ab7e3e99dcbc39463f6887c0d5ea1bba (patch) | |
tree | 818eeab6636fa670d410783a642d3da24b289337 /misc/buildroot/toolchain/nxflat/thumb2 | |
parent | fba48036d54d157add306013d8aac832e6cc52ad (diff) | |
download | nuttx-3019d4d5ab7e3e99dcbc39463f6887c0d5ea1bba.tar.gz nuttx-3019d4d5ab7e3e99dcbc39463f6887c0d5ea1bba.tar.bz2 nuttx-3019d4d5ab7e3e99dcbc39463f6887c0d5ea1bba.zip |
thunks should not use GOT address
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1910 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'misc/buildroot/toolchain/nxflat/thumb2')
-rw-r--r-- | misc/buildroot/toolchain/nxflat/thumb2/arch.h | 386 | ||||
-rw-r--r-- | misc/buildroot/toolchain/nxflat/thumb2/dyncall_skeleton.def | 40 |
2 files changed, 304 insertions, 122 deletions
diff --git a/misc/buildroot/toolchain/nxflat/thumb2/arch.h b/misc/buildroot/toolchain/nxflat/thumb2/arch.h index 9725e4cd1..bacc63892 100644 --- a/misc/buildroot/toolchain/nxflat/thumb2/arch.h +++ b/misc/buildroot/toolchain/nxflat/thumb2/arch.h @@ -5,153 +5,299 @@ * Copyright (C) 2009 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <spudmonkey@racsa.co.cr> * - * Derived from XFLAT: + * Simply lifted with minimal change from the BFD, binutils 2.19.1: * - * Copyright (c) 2006, Cadenux, LLC. All rights reserved. - * Copyright (c) 2006, Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <spudmonkey@racsa.co.cr> - * - * Which simply lifted it from the BFD: + * Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 + * Free Software Foundation, Inc. * - * Copyright 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. * This file is part of BFD, the Binary File Descriptor library. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software Foundation, - * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. * ***********************************************************************/ -#ifndef _ELF_ARM_H -#define _ELF_ARM_H +#ifndef _TOOLCHAIN_NXFLAT_THUMB2_ARCH_H +#define _TOOLCHAIN_NXFLAT_THUMB2_ARCH_H #include "reloc-macros.h" +/* Inform ldnxflat that this is 16-bit Thumb2 code */ + +#define NXFLAT_ARM 1 +#define NXFLAT_THUMB2 1 + /* Processor specific flags for the ELF header e_flags field. */ -#define EF_ARM_RELEXEC 0x01 -#define EF_ARM_HASENTRY 0x02 -#define EF_INTERWORK 0x04 -#define EF_APCS_26 0x08 -#define EF_APCS_FLOAT 0x10 -#define EF_PIC 0x20 -#define EF_ALIGN8 0x40 /* 8-bit structure alignment is in use */ -#define EF_NEW_ABI 0x80 -#define EF_OLD_ABI 0x100 -#define EF_SOFT_FLOAT 0x200 -#define EF_VFP_FLOAT 0x400 +#define EF_ARM_RELEXEC 0x01 +#define EF_ARM_HASENTRY 0x02 +#define EF_ARM_INTERWORK 0x04 +#define EF_ARM_APCS_26 0x08 +#define EF_ARM_APCS_FLOAT 0x10 +#define EF_ARM_PIC 0x20 +#define EF_ARM_ALIGN8 0x40 /* 8-bit structure alignment is in use. */ +#define EF_ARM_NEW_ABI 0x80 +#define EF_ARM_OLD_ABI 0x100 +#define EF_ARM_SOFT_FLOAT 0x200 +#define EF_ARM_VFP_FLOAT 0x400 +#define EF_ARM_MAVERICK_FLOAT 0x800 + +/* Frame unwind information */ +#define PT_ARM_EXIDX (PT_LOPROC + 1) /* Other constants defined in the ARM ELF spec. version B-01. */ -#define EF_SYMSARESORTED 0x04 /* NB conflicts with EF_INTERWORK */ -#define EF_DYNSYMSUSESEGIDX 0x08 /* NB conflicts with EF_APCS26 */ -#define EF_MAPSYMSFIRST 0x10 /* NB conflicts with EF_APCS_FLOAT */ -#define EF_EABIMASK 0xFF000000 +#define EF_ARM_SYMSARESORTED 0x04 /* NB conflicts with EF_INTERWORK */ +#define EF_ARM_DYNSYMSUSESEGIDX 0x08 /* NB conflicts with EF_APCS26 */ +#define EF_ARM_MAPSYMSFIRST 0x10 /* NB conflicts with EF_APCS_FLOAT */ +#define EF_ARM_EABIMASK 0xFF000000 -#define EF_EABI_VERSION(flags) ((flags) & EF_EABIMASK) -#define EF_EABI_UNKNOWN 0x00000000 -#define EF_EABI_VER1 0x01000000 -#define EF_EABI_VER2 0x02000000 +/* Constants defined in AAELF. */ +#define EF_ARM_BE8 0x00800000 +#define EF_ARM_LE8 0x00400000 + +#define EF_ARM_EABI_VERSION(flags) ((flags) & EF_ARM_EABIMASK) +#define EF_ARM_EABI_UNKNOWN 0x00000000 +#define EF_ARM_EABI_VER1 0x01000000 +#define EF_ARM_EABI_VER2 0x02000000 +#define EF_ARM_EABI_VER3 0x03000000 +#define EF_ARM_EABI_VER4 0x04000000 +#define EF_ARM_EABI_VER5 0x05000000 /* Local aliases for some flags to match names used by COFF port. */ -#define F_INTERWORK EF_INTERWORK -#define F_APCS26 EF_APCS_26 -#define F_APCS_FLOAT EF_APCS_FLOAT -#define F_PIC EF_PIC -#define F_SOFT_FLOAT EF_SOFT_FLOAT -#define F_VFP_FLOAT EF_VFP_FLOAT +#define F_INTERWORK EF_ARM_INTERWORK +#define F_APCS26 EF_ARM_APCS_26 +#define F_APCS_FLOAT EF_ARM_APCS_FLOAT +#define F_PIC EF_ARM_PIC +#define F_SOFT_FLOAT EF_ARM_SOFT_FLOAT +#define F_VFP_FLOAT EF_ARM_VFP_FLOAT + +/* Additional symbol types for Thumb. */ +#define STT_ARM_TFUNC 13 /* A Thumb function. */ +#define STT_ARM_16BIT 15 /* A Thumb label. */ -/* Additional symbol types for Thumb */ -#define STT_ARM_TFUNC STT_LOPROC /* A Thumb function. */ -#define STT_ARM_16BIT STT_HIPROC /* A Thumb label. */ +/* Additional section types. */ +#define SHT_ARM_EXIDX 0x70000001 /* Section holds ARM unwind info. */ +#define SHT_ARM_PREEMPTMAP 0x70000002 /* Section pre-emption details. */ +#define SHT_ARM_ATTRIBUTES 0x70000003 /* Section holds attributes. */ -/* ARM-specific values for sh_flags */ -#define SHF_ENTRYSECT 0x10000000 /* Section contains an entry point. */ -#define SHF_COMDEF 0x80000000 /* Section may be multiply defined in the input to a link step. */ +/* ARM-specific values for sh_flags. */ +#define SHF_ENTRYSECT 0x10000000 /* Section contains an entry point. */ +#define SHF_COMDEF 0x80000000 /* Section may be multiply defined in the input to a link step. */ /* ARM-specific program header flags. */ -#define PF_ARM_SB 0x10000000 /* Segment contains the location addressed by the static base. */ -#define PF_ARM_PI 0x20000000 /* Segment is position-independent. */ -#define PF_ARM_ABS 0x40000000 /* Segment must be loaded at its base address. */ +#define PF_ARM_SB 0x10000000 /* Segment contains the location addressed by the static base. */ +#define PF_ARM_PI 0x20000000 /* Segment is position-independent. */ +#define PF_ARM_ABS 0x40000000 /* Segment must be loaded at its base address. */ + +/* Values for the Tag_CPU_arch EABI attribute. */ +#define TAG_CPU_ARCH_PRE_V4 0 +#define TAG_CPU_ARCH_V4 1 +#define TAG_CPU_ARCH_V4T 2 +#define TAG_CPU_ARCH_V5T 3 +#define TAG_CPU_ARCH_V5TE 4 +#define TAG_CPU_ARCH_V5TEJ 5 +#define TAG_CPU_ARCH_V6 6 +#define TAG_CPU_ARCH_V6KZ 7 +#define TAG_CPU_ARCH_V6T2 8 +#define TAG_CPU_ARCH_V6K 9 +#define TAG_CPU_ARCH_V7 10 /* Relocation types. */ START_RELOC_NUMBERS (elf_arm_reloc_type) - RELOC_NUMBER (R_ARM_NONE, 0) - RELOC_NUMBER (R_ARM_PC24, 1) - RELOC_NUMBER (R_ARM_ABS32, 2) - RELOC_NUMBER (R_ARM_REL32, 3) -#ifdef OLD_ARM_ABI - RELOC_NUMBER (R_ARM_ABS8, 4) - RELOC_NUMBER (R_ARM_ABS16, 5) - RELOC_NUMBER (R_ARM_ABS12, 6) - RELOC_NUMBER (R_ARM_THM_ABS5, 7) - RELOC_NUMBER (R_ARM_THM_PC22, 8) - RELOC_NUMBER (R_ARM_SBREL32, 9) - RELOC_NUMBER (R_ARM_AMP_VCALL9, 10) - RELOC_NUMBER (R_ARM_THM_PC11, 11) /* Cygnus extension to abi: Thumb unconditional branch. */ - RELOC_NUMBER (R_ARM_THM_PC9, 12) /* Cygnus extension to abi: Thumb conditional branch. */ - RELOC_NUMBER (R_ARM_GNU_VTINHERIT, 13) - RELOC_NUMBER (R_ARM_GNU_VTENTRY, 14) -#else /* not OLD_ARM_ABI */ - RELOC_NUMBER (R_ARM_PC13, 4) - RELOC_NUMBER (R_ARM_ABS16, 5) - RELOC_NUMBER (R_ARM_ABS12, 6) - RELOC_NUMBER (R_ARM_THM_ABS5, 7) - RELOC_NUMBER (R_ARM_ABS8, 8) - RELOC_NUMBER (R_ARM_SBREL32, 9) - RELOC_NUMBER (R_ARM_THM_PC22, 10) - RELOC_NUMBER (R_ARM_THM_PC8, 11) - RELOC_NUMBER (R_ARM_AMP_VCALL9, 12) - RELOC_NUMBER (R_ARM_SWI24, 13) - RELOC_NUMBER (R_ARM_THM_SWI8, 14) - RELOC_NUMBER (R_ARM_XPC25, 15) - RELOC_NUMBER (R_ARM_THM_XPC22, 16) -#endif /* not OLD_ARM_ABI */ - RELOC_NUMBER (R_ARM_COPY, 20) /* Copy symbol at runtime. */ - RELOC_NUMBER (R_ARM_GLOB_DAT, 21) /* Create GOT entry. */ - RELOC_NUMBER (R_ARM_JUMP_SLOT, 22) /* Create PLT entry. */ - RELOC_NUMBER (R_ARM_RELATIVE, 23) /* Adjust by program base. */ - RELOC_NUMBER (R_ARM_GOTOFF, 24) /* 32 bit offset to GOT. */ - RELOC_NUMBER (R_ARM_GOTPC, 25) /* 32 bit PC relative offset to GOT. */ - RELOC_NUMBER (R_ARM_GOT32, 26) /* 32 bit GOT entry. */ - RELOC_NUMBER (R_ARM_PLT32, 27) /* 32 bit PLT address. */ -#ifdef OLD_ARM_ABI - FAKE_RELOC (FIRST_INVALID_RELOC, 28) - FAKE_RELOC (LAST_INVALID_RELOC, 249) -#else /* not OLD_ARM_ABI */ - FAKE_RELOC (FIRST_INVALID_RELOC1, 28) - FAKE_RELOC (LAST_INVALID_RELOC1, 31) - RELOC_NUMBER (R_ARM_ALU_PCREL7_0, 32) - RELOC_NUMBER (R_ARM_ALU_PCREL15_8, 33) - RELOC_NUMBER (R_ARM_ALU_PCREL23_15, 34) - RELOC_NUMBER (R_ARM_LDR_SBREL11_0, 35) - RELOC_NUMBER (R_ARM_ALU_SBREL19_12, 36) - RELOC_NUMBER (R_ARM_ALU_SBREL27_20, 37) - FAKE_RELOC (FIRST_INVALID_RELOC2, 38) - FAKE_RELOC (LAST_INVALID_RELOC2, 99) - RELOC_NUMBER (R_ARM_GNU_VTENTRY, 100) - RELOC_NUMBER (R_ARM_GNU_VTINHERIT, 101) - RELOC_NUMBER (R_ARM_THM_PC11, 102) /* Cygnus extension to abi: Thumb unconditional branch. */ - RELOC_NUMBER (R_ARM_THM_PC9, 103) /* Cygnus extension to abi: Thumb conditional branch. */ - FAKE_RELOC (FIRST_INVALID_RELOC3, 104) - FAKE_RELOC (LAST_INVALID_RELOC3, 248) - RELOC_NUMBER (R_ARM_RXPC25, 249) -#endif /* not OLD_ARM_ABI */ - RELOC_NUMBER (R_ARM_RSBREL32, 250) - RELOC_NUMBER (R_ARM_THM_RPC22, 251) - RELOC_NUMBER (R_ARM_RREL32, 252) - RELOC_NUMBER (R_ARM_RABS32, 253) - RELOC_NUMBER (R_ARM_RPC24, 254) - RELOC_NUMBER (R_ARM_RBASE, 255) -END_RELOC_NUMBERS - -#endif /* _ELF_ARM_H */ +/* AAELF official names and numbers. */ + RELOC_NUMBER (R_ARM_NONE, 0) + RELOC_NUMBER (R_ARM_PC24, 1) /* deprecated */ + RELOC_NUMBER (R_ARM_ABS32, 2) + RELOC_NUMBER (R_ARM_REL32, 3) + RELOC_NUMBER (R_ARM_LDR_PC_G0, 4) + RELOC_NUMBER (R_ARM_ABS16, 5) + RELOC_NUMBER (R_ARM_ABS12, 6) + RELOC_NUMBER (R_ARM_THM_ABS5, 7) + RELOC_NUMBER (R_ARM_ABS8, 8) + RELOC_NUMBER (R_ARM_SBREL32, 9) + RELOC_NUMBER (R_ARM_THM_CALL, 10) + RELOC_NUMBER (R_ARM_THM_PC8, 11) + RELOC_NUMBER (R_ARM_BREL_ADJ, 12) + RELOC_NUMBER (R_ARM_SWI24, 13) /* obsolete */ + RELOC_NUMBER (R_ARM_THM_SWI8, 14) /* obsolete */ + RELOC_NUMBER (R_ARM_XPC25, 15) /* obsolete */ + RELOC_NUMBER (R_ARM_THM_XPC22, 16) /* obsolete */ + RELOC_NUMBER (R_ARM_TLS_DTPMOD32, 17) + RELOC_NUMBER (R_ARM_TLS_DTPOFF32, 18) + RELOC_NUMBER (R_ARM_TLS_TPOFF32, 19) + RELOC_NUMBER (R_ARM_COPY, 20) /* Copy symbol at runtime. */ + RELOC_NUMBER (R_ARM_GLOB_DAT, 21) /* Create GOT entry. */ + RELOC_NUMBER (R_ARM_JUMP_SLOT, 22) /* Create PLT entry. */ + RELOC_NUMBER (R_ARM_RELATIVE, 23) /* Adjust by program base. */ + RELOC_NUMBER (R_ARM_GOTOFF32, 24) /* 32 bit offset to GOT. */ + RELOC_NUMBER (R_ARM_BASE_PREL, 25) /* 32 bit PC relative offset to GOT. */ + RELOC_NUMBER (R_ARM_GOT_BREL, 26) /* 32 bit GOT entry. */ + RELOC_NUMBER (R_ARM_PLT32, 27) /* deprecated - 32 bit PLT address. */ + RELOC_NUMBER (R_ARM_CALL, 28) + RELOC_NUMBER (R_ARM_JUMP24, 29) + RELOC_NUMBER (R_ARM_THM_JUMP24, 30) + RELOC_NUMBER (R_ARM_BASE_ABS, 31) + RELOC_NUMBER (R_ARM_ALU_PCREL7_0, 32) /* obsolete */ + RELOC_NUMBER (R_ARM_ALU_PCREL15_8, 33) /* obsolete */ + RELOC_NUMBER (R_ARM_ALU_PCREL23_15, 34) /* obsolete */ + RELOC_NUMBER (R_ARM_LDR_SBREL_11_0, 35) /* deprecated, should have _NC suffix */ + RELOC_NUMBER (R_ARM_ALU_SBREL_19_12, 36) /* deprecated, should have _NC suffix */ + RELOC_NUMBER (R_ARM_ALU_SBREL_27_20, 37) /* deprecated, should have _CK suffix */ + RELOC_NUMBER (R_ARM_TARGET1, 38) + RELOC_NUMBER (R_ARM_SBREL31, 39) /* deprecated */ + RELOC_NUMBER (R_ARM_V4BX, 40) + RELOC_NUMBER (R_ARM_TARGET2, 41) + RELOC_NUMBER (R_ARM_PREL31, 42) + RELOC_NUMBER (R_ARM_MOVW_ABS_NC, 43) + RELOC_NUMBER (R_ARM_MOVT_ABS, 44) + RELOC_NUMBER (R_ARM_MOVW_PREL_NC, 45) + RELOC_NUMBER (R_ARM_MOVT_PREL, 46) + RELOC_NUMBER (R_ARM_THM_MOVW_ABS_NC, 47) + RELOC_NUMBER (R_ARM_THM_MOVT_ABS, 48) + RELOC_NUMBER (R_ARM_THM_MOVW_PREL_NC, 49) + RELOC_NUMBER (R_ARM_THM_MOVT_PREL, 50) + RELOC_NUMBER (R_ARM_THM_JUMP19, 51) + RELOC_NUMBER (R_ARM_THM_JUMP6, 52) + RELOC_NUMBER (R_ARM_THM_ALU_PREL_11_0, 53) + RELOC_NUMBER (R_ARM_THM_PC12, 54) + RELOC_NUMBER (R_ARM_ABS32_NOI, 55) + RELOC_NUMBER (R_ARM_REL32_NOI, 56) + RELOC_NUMBER (R_ARM_ALU_PC_G0_NC, 57) + RELOC_NUMBER (R_ARM_ALU_PC_G0, 58) + RELOC_NUMBER (R_ARM_ALU_PC_G1_NC, 59) + RELOC_NUMBER (R_ARM_ALU_PC_G1, 60) + RELOC_NUMBER (R_ARM_ALU_PC_G2, 61) + RELOC_NUMBER (R_ARM_LDR_PC_G1, 62) + RELOC_NUMBER (R_ARM_LDR_PC_G2, 63) + RELOC_NUMBER (R_ARM_LDRS_PC_G0, 64) + RELOC_NUMBER (R_ARM_LDRS_PC_G1, 65) + RELOC_NUMBER (R_ARM_LDRS_PC_G2, 66) + RELOC_NUMBER (R_ARM_LDC_PC_G0, 67) + RELOC_NUMBER (R_ARM_LDC_PC_G1, 68) + RELOC_NUMBER (R_ARM_LDC_PC_G2, 69) + RELOC_NUMBER (R_ARM_ALU_SB_G0_NC, 70) + RELOC_NUMBER (R_ARM_ALU_SB_G0, 71) + RELOC_NUMBER (R_ARM_ALU_SB_G1_NC, 72) + RELOC_NUMBER (R_ARM_ALU_SB_G1, 73) + RELOC_NUMBER (R_ARM_ALU_SB_G2, 74) + RELOC_NUMBER (R_ARM_LDR_SB_G0, 75) + RELOC_NUMBER (R_ARM_LDR_SB_G1, 76) + RELOC_NUMBER (R_ARM_LDR_SB_G2, 77) + RELOC_NUMBER (R_ARM_LDRS_SB_G0, 78) + RELOC_NUMBER (R_ARM_LDRS_SB_G1, 79) + RELOC_NUMBER (R_ARM_LDRS_SB_G2, 80) + RELOC_NUMBER (R_ARM_LDC_SB_G0, 81) + RELOC_NUMBER (R_ARM_LDC_SB_G1, 82) + RELOC_NUMBER (R_ARM_LDC_SB_G2, 83) + RELOC_NUMBER (R_ARM_MOVW_BREL_NC, 84) + RELOC_NUMBER (R_ARM_MOVT_BREL, 85) + RELOC_NUMBER (R_ARM_MOVW_BREL, 86) + RELOC_NUMBER (R_ARM_THM_MOVW_BREL_NC, 87) + RELOC_NUMBER (R_ARM_THM_MOVT_BREL, 88) + RELOC_NUMBER (R_ARM_THM_MOVW_BREL, 89) + /* 90-93 unallocated */ + RELOC_NUMBER (R_ARM_PLT32_ABS, 94) + RELOC_NUMBER (R_ARM_GOT_ABS, 95) + RELOC_NUMBER (R_ARM_GOT_PREL, 96) + RELOC_NUMBER (R_ARM_GOT_BREL12, 97) + RELOC_NUMBER (R_ARM_GOTOFF12, 98) + RELOC_NUMBER (R_ARM_GOTRELAX, 99) + RELOC_NUMBER (R_ARM_GNU_VTENTRY, 100) /* deprecated - old C++ abi */ + RELOC_NUMBER (R_ARM_GNU_VTINHERIT, 101) /* deprecated - old C++ abi */ + RELOC_NUMBER (R_ARM_THM_JUMP11, 102) + RELOC_NUMBER (R_ARM_THM_JUMP8, 103) + RELOC_NUMBER (R_ARM_TLS_GD32, 104) + RELOC_NUMBER (R_ARM_TLS_LDM32, 105) + RELOC_NUMBER (R_ARM_TLS_LDO32, 106) + RELOC_NUMBER (R_ARM_TLS_IE32, 107) + RELOC_NUMBER (R_ARM_TLS_LE32, 108) + RELOC_NUMBER (R_ARM_TLS_LDO12, 109) + RELOC_NUMBER (R_ARM_TLS_LE12, 110) + RELOC_NUMBER (R_ARM_TLS_IE12GP, 111) + /* 112 - 127 private range */ + RELOC_NUMBER (R_ARM_ME_TOO, 128) /* obsolete */ + + /* Extensions? R=read-only? */ + RELOC_NUMBER (R_ARM_RXPC25, 249) + RELOC_NUMBER (R_ARM_RSBREL32, 250) + RELOC_NUMBER (R_ARM_THM_RPC22, 251) + RELOC_NUMBER (R_ARM_RREL32, 252) + RELOC_NUMBER (R_ARM_RABS32, 253) + RELOC_NUMBER (R_ARM_RPC24, 254) + RELOC_NUMBER (R_ARM_RBASE, 255) + + /* Unofficial names for some of the relocs. */ + FAKE_RELOC (R_ARM_GOTOFF, R_ARM_GOTOFF32) /* 32 bit offset to GOT. */ + FAKE_RELOC (R_ARM_THM_PC22, R_ARM_THM_CALL) + FAKE_RELOC (R_ARM_THM_PC11, R_ARM_THM_JUMP11) + FAKE_RELOC (R_ARM_THM_PC9, R_ARM_THM_JUMP8) + + /* Relocs with both a different name, and (apparently) different meaning in + GNU usage. */ + FAKE_RELOC (R_ARM_GOTPC, R_ARM_BASE_PREL) /* 32 bit PC relative offset to GOT. */ + FAKE_RELOC (R_ARM_GOT32, R_ARM_GOT_BREL) /* 32 bit GOT entry. */ + FAKE_RELOC (R_ARM_ROSEGREL32, R_ARM_SBREL31) /* ??? */ + FAKE_RELOC (R_ARM_AMP_VCALL9, R_ARM_BREL_ADJ) /* Thumb-something. Not used. */ + +END_RELOC_NUMBERS (R_ARM_max = 256) + +#ifdef BFD_ARCH_SIZE +/* EABI object attributes. */ + +enum +{ + /* 0-3 are generic. */ + Tag_CPU_raw_name = 4, + Tag_CPU_name, + Tag_CPU_arch, + Tag_CPU_arch_profile, + Tag_ARM_ISA_use, + Tag_THUMB_ISA_use, + Tag_VFP_arch, + Tag_WMMX_arch, + Tag_NEON_arch, + Tag_PCS_config, + Tag_ABI_PCS_R9_use, + Tag_ABI_PCS_RW_data, + Tag_ABI_PCS_RO_data, + Tag_ABI_PCS_GOT_use, + Tag_ABI_PCS_wchar_t, + Tag_ABI_FP_rounding, + Tag_ABI_FP_denormal, + Tag_ABI_FP_exceptions, + Tag_ABI_FP_user_exceptions, + Tag_ABI_FP_number_model, + Tag_ABI_align8_needed, + Tag_ABI_align8_preserved, + Tag_ABI_enum_size, + Tag_ABI_HardFP_use, + Tag_ABI_VFP_args, + Tag_ABI_WMMX_args, + Tag_ABI_optimization_goals, + Tag_ABI_FP_optimization_goals, + /* 32 is generic. */ +}; + +#endif + +/* The name of the note section used to identify arm variants. */ +#define ARM_NOTE_SECTION ".note.gnu.arm.ident" + +/* Special section names. */ +#define ELF_STRING_ARM_unwind ".ARM.exidx" +#define ELF_STRING_ARM_unwind_info ".ARM.extab" +#define ELF_STRING_ARM_unwind_once ".gnu.linkonce.armexidx." +#define ELF_STRING_ARM_unwind_info_once ".gnu.linkonce.armextab." + +#endif /* _TOOLCHAIN_NXFLAT_THUMB2_ARCH_H */ diff --git a/misc/buildroot/toolchain/nxflat/thumb2/dyncall_skeleton.def b/misc/buildroot/toolchain/nxflat/thumb2/dyncall_skeleton.def index bc7c7f076..935e2f59d 100644 --- a/misc/buildroot/toolchain/nxflat/thumb2/dyncall_skeleton.def +++ b/misc/buildroot/toolchain/nxflat/thumb2/dyncall_skeleton.def @@ -148,6 +148,8 @@ static const char dyncall_decl_prologue[] = #define MKCALLARGS(fn, i) (fn), (fn), (fn), (fn), (i), (i), (i), (fn), (fn) +#ifdef __USE_GOT__ + static const char dyncall_format[] = "\n/* Dynamic call logic for imported symbol %s */\n\n" "\t.global\t%s\n" @@ -157,7 +159,7 @@ static const char dyncall_format[] = "\tstmdb\tsp!,{r4, lr}\n" "\tldr\tr4,.Ldyn%04d\n" "\tldr\tr4,[sl,r4]\n" - "\tldr\tr4,[r4,#0]\n" + "\tldr\tr4,[r4,#4]\n" "\tblx\tr4\n" "\tldmia\tsp!,{r4, pc}\n" ".Ldyn%04d:\n" @@ -172,12 +174,46 @@ static const char nonreturning_dyncall_format[] = "%s:\n" "\tldr\tr4,.Ldyn%04d\n" "\tldr\tr4,[sl,r4]\n" - "\tldr\tr4,[r4,#0]\n" + "\tldr\tr4,[r4,#4]\n" "\tbx\tr4\n" ".Ldyn%04d:\n" "\t.word\t__dyninfo%04d(GOT)\n" "\t.size\t%s, .-%s\n"; +#else + +static const char dyncall_format[] = + "\n/* Dynamic call logic for imported symbol %s */\n\n" + "\t.global\t%s\n" + "\t.type\t%s, function\n" + "\t.thumb_func\n\n" + "%s:\n" + "\tstmdb\tsp!,{r4, lr}\n" + "\tldr\tr4,.Ldyn%04d\n" + "\tadd\tr4,r4,sl\n" + "\tldr\tr4,[r4,#4]\n" + "\tblx\tr4\n" + "\tldmia\tsp!,{r4, pc}\n" + ".Ldyn%04d:\n" + "\t.word\t__dyninfo%04d\n" + "\t.size\t%s, .-%s\n"; + +static const char nonreturning_dyncall_format[] = + "\n/* Dynamic call logic for imported, non-returning symbol %s */\n\n" + "\t.global\t%s\n" + "\t.type\t%s, function\n" + "\t.thumb_func\n\n" + "%s:\n" + "\tldr\tr4,.Ldyn%04d\n" + "\tadd\tr4,r4,sl\n" + "\tldr\tr4,[r4,#4]\n" + "\tbx\tr4\n" + ".Ldyn%04d:\n" + "\t.word\t__dyninfo%04d\n" + "\t.size\t%s, .-%s\n"; + +#endif + /******************************************************************* * File Epilogue *******************************************************************/ |