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ATMEL AVR microcontroller support.
2000-03-27 08:39:14 +00:00
/* AVR ELF support for BFD.
Copyright update for binutils
2016-01-01 11:25:12 +00:00
Copyright (C) 1999-2016 Free Software Foundation, Inc.
ATMEL AVR microcontroller support.
2000-03-27 08:39:14 +00:00
Contributed by Denis Chertykov <denisc@overta.ru>
Add support for the new R_AVR_LDI, R_AVR_6 and R_AVR_6_ADIW relocs for the LDI, ADIW/SBIW and LDD/STD instructions.
2004-12-22 14:25:42 +00:00
This file is part of BFD, the Binary File Descriptor library.
ATMEL AVR microcontroller support.
2000-03-27 08:39:14 +00:00
Add support for the new R_AVR_LDI, R_AVR_6 and R_AVR_6_ADIW relocs for the LDI, ADIW/SBIW and LDD/STD instructions.
2004-12-22 14:25:42 +00:00
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
Upgrade header files to use GPLv3
2010-04-15 10:26:09 +00:00
the Free Software Foundation; either version 3 of the License, or
Add support for the new R_AVR_LDI, R_AVR_6 and R_AVR_6_ADIW relocs for the LDI, ADIW/SBIW and LDD/STD instructions.
2004-12-22 14:25:42 +00:00
(at your option) any later version.
ATMEL AVR microcontroller support.
2000-03-27 08:39:14 +00:00
Add support for the new R_AVR_LDI, R_AVR_6 and R_AVR_6_ADIW relocs for the LDI, ADIW/SBIW and LDD/STD instructions.
2004-12-22 14:25:42 +00:00
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.
ATMEL AVR microcontroller support.
2000-03-27 08:39:14 +00:00
Add support for the new R_AVR_LDI, R_AVR_6 and R_AVR_6_ADIW relocs for the LDI, ADIW/SBIW and LDD/STD instructions.
2004-12-22 14:25:42 +00:00
You should have received a copy of the GNU General Public License
Upgrade header files to use GPLv3
2010-04-15 10:26:09 +00:00
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
ATMEL AVR microcontroller support.
2000-03-27 08:39:14 +00:00
#ifndef _ELF_AVR_H
#define _ELF_AVR_H
#include "elf/reloc-macros.h"
/* Processor specific flags for the ELF header e_flags field. */
Add AVR architectures avr25, avr31, avr35, and avr51 to match GCC. bfd/ * archures.c (bfd_mach_avr25, bfd_mach_avr31, bfd_mach_avr35, bfd_mach_avr51): New. * bfd-in2.h: Regenerate. * cpu-avr.c (arch_info_struct): Add avr25, avr31, avr35, and avr51 architectures. Change comments to match architecture comments in GCC. (compatible): Add test for new AVR architectures. * elf32-avr.c (bfd_elf_avr_final_write_processing): Recognize bfd_mach_avr25, bfd_mach_avr31, bfd_mach_avr35 and bfd_mach_avr51. (elf32_avr_object_p): Recognize E_AVR_MACH_AVR25, E_AVR_MACH_AVR31, E_AVR_MACH_AVR35 and E_AVR_MACH_AVR51. gas/ * config/tc-avr.c (mcu_types): Add avr25, avr31, avr35, and avr51 architectures. Reorganize list to put mcu types in correct architectures and to order list same as in GCC. Use new ISA definitions in include/opcode/avr.h. * doc/c-avr.texi: Add avr25, avr31, avr35, and avr51 architecture descriptions. Reorganize descriptions to put mcu types in correct architectures and to order lists same as in GCC. include/ * elf/avr.h (E_AVR_MACH_AVR25, E_AVR_MACH_AVR31, E_AVR_MACH_AVR35, E_AVR_MACH_AVR51): Define. (EF_AVR_MACH): Redefine to 0x7F. * opcode/avr.h (AVR_ISA_TINY3, AVR_ISA_ALL, AVR_ISA_USB162): Remove. (AVR_ISA_AVR3): Redefine. (AVR_ISA_AVR1, AVR_ISA_AVR2, AVR_ISA_AVR31, AVR_ISA_AVR35, AVR_ISA_AVR3_ALL, AVR_ISA_AVR4, AVR_ISA_AVR5, AVR_ISA_AVR51, AVR_ISA_AVR6): Define. ld/ * Makefile.am (ALL_EMULATIONS): Add eavr25.o, eavr31.o, eavr35.o, and eavr51.o. Add rules for eavr25.c, eavr31.c, eavr35.c, eavr51.c. * Makefile.in: Regenerate. * configure.tgt (avr-*-*, targ_extra_emuls): Add avr25, avr31, avr35 and avr51. * emulparams/avr25.sh: New file. * emulparams/avr31.sh: New file. * emulparams/avr35.sh: New file. * emulparams/avr51.sh: New file.
2008-08-09 05:35:13 +00:00
#define EF_AVR_MACH 0x7F
ATMEL AVR microcontroller support.
2000-03-27 08:39:14 +00:00
Add linker relaxation support for the AVR
2006-03-03 15:25:31 +00:00
/* If bit #7 is set, it is assumed that the elf file uses local symbols
as reference for the relocations so that linker relaxation is possible. */
#define EF_AVR_LINKRELAX_PREPARED 0x80
PR 13503 * reloc.c: Add new ENUM for BFD_RELOC_AVR_8_LO, BFD_RELOC_AVR_8_HI, BFD_RELOC_AVR_8_HHI. * bfd-in2.h: Regenerate. * libbfd.h: Regenrate. * elf32-avr.c (elf_avr_howto_table): Add entries for R_AVR_8_LO8, R_AVR_8_HI8, R_AVR_8_HHI8. (avr_reloc_map): Add RELOC mappings for R_AVR_8_LO8, R_AVR_8_HI8, R_AVR_8_HHI8. * config/tc-avr.c (exp_mod_pm): Remove variable. (exp_mod_data_t): New typedef. (pexp_mod_data, exp_mod_data): New variables. (avr_parse_cons_expression): Scan through exp_mod_data[] to find data expression modifiers "pm", "gs", "lo8", hi8", "hhi8", "hh8" and set pexp_mod_data accordingly to be used in avr_cons_fix_new. (avr_cons_fix_new): Handle new data expression modifiers shipped in pexp_mod_data. (md_apply_fix): Handle BFD_RELOC_AVR_8_LO, BFD_RELOC_AVR_8_HI, BFD_RELOC_AVR_8_HHI. * elf/avr.h (RELOC_NUMBERS): Add values for R_AVR_8_LO8, R_AVR_8_HI8, R_AVR_8_HHI8.
2012-05-11 12:59:23 +00:00
#define E_AVR_MACH_AVR1 1
#define E_AVR_MACH_AVR2 2
#define E_AVR_MACH_AVR25 25
#define E_AVR_MACH_AVR3 3
#define E_AVR_MACH_AVR31 31
#define E_AVR_MACH_AVR35 35
#define E_AVR_MACH_AVR4 4
#define E_AVR_MACH_AVR5 5
#define E_AVR_MACH_AVR51 51
#define E_AVR_MACH_AVR6 6
Add support for the AVR Tiny series of microcontrollers. * archures.c: add avrtiny architecture for avr target. * bfd-in2.h: Regenerate. * cpu-avr.c (arch_info_struct): add avrtiny arch info. * elf32-avr.c (elf_avr_howto_table): new relocation R_AVR_LDS_STS_16 added for 16 bit LDS/STS instruction of avrtiny arch. (avr_reloc_map): reloc R_AVR_LDS_STS_16 is mapped to BFD_RELOC_AVR_LDS_STS_16. (bfd_elf_avr_final_write_processing): select machine number avrtiny arch. (elf32_avr_object_p): set machine number for avrtiny arch. * libbfd.h: Regenerate. * reloc.c: Add documentation for BFD_RELOC_AVR_LDS_STS_16 reloc. * config/tc-avr.c (mcu_types): Add avrtiny arch. Add avrtiny arch devices attiny4, attiny5, attiny9, attiny10, attiny20 and attiny40. (md_show_usage): Add avrtiny arch in usage message. (avr_operand): validate and issue error for invalid register for avrtiny. add new reloc exp for 16 bit lds/sts instruction. (md_apply_fix): check 16 bit lds/sts operand for out of range and encode. (md_assemble): check ISA for arch and issue diagnostic. * include/elf/avr.h (E_AVR_MACH_AVRTINY): define avrtiny machine number. (R_AVR_LDS_STS_16): define 16 bit lds/sts reloc number. * include/opcode/avr.h (AVR_ISA_TINY): define avrtiny specific ISA. (AVR_ISA_2xxxa): define ISA without LPM. (AVR_ISA_AVRTINY): define avrtiny arch ISA. Add doc for contraint used in 16 bit lds/sts. Adjust ISA group for icall, ijmp, pop and push. Add 16 bit lds/sts encoding and update 32 bit lds/sts constraints. * opcodes/avr-dis.c (avr_operand): Handle constraint j for 16 bit lds/sts. (print_insn_avr): do not select opcode if insn ISA is avrtiny and machine is not avrtiny. * Makefile.am (ALL_EMULATION_SOURCES): add avrtiny emulation source. (eavrtiny.c): add rules for avrtiny emulation source. * Makefile.in: Regenerate. * configure.tgt: Add avrtiny to avr target emulations. * scripttempl/avrtiny.sc: New file. linker script template for avrtiny arch. * emulparams/avrtiny.sh: New file. emulation parameters for avrtiny arch.
2014-07-01 09:20:17 +00:00
#define E_AVR_MACH_AVRTINY 100
#define E_AVR_MACH_XMEGA1 101
#define E_AVR_MACH_XMEGA2 102
#define E_AVR_MACH_XMEGA3 103
#define E_AVR_MACH_XMEGA4 104
#define E_AVR_MACH_XMEGA5 105
#define E_AVR_MACH_XMEGA6 106
#define E_AVR_MACH_XMEGA7 107
ATMEL AVR microcontroller support.
2000-03-27 08:39:14 +00:00
/* Relocations. */
START_RELOC_NUMBERS (elf_avr_reloc_type)
RELOC_NUMBER (R_AVR_NONE, 0)
RELOC_NUMBER (R_AVR_32, 1)
RELOC_NUMBER (R_AVR_7_PCREL, 2)
RELOC_NUMBER (R_AVR_13_PCREL, 3)
RELOC_NUMBER (R_AVR_16, 4)
RELOC_NUMBER (R_AVR_16_PM, 5)
RELOC_NUMBER (R_AVR_LO8_LDI, 6)
RELOC_NUMBER (R_AVR_HI8_LDI, 7)
RELOC_NUMBER (R_AVR_HH8_LDI, 8)
RELOC_NUMBER (R_AVR_LO8_LDI_NEG, 9)
RELOC_NUMBER (R_AVR_HI8_LDI_NEG, 10)
RELOC_NUMBER (R_AVR_HH8_LDI_NEG, 11)
RELOC_NUMBER (R_AVR_LO8_LDI_PM, 12)
RELOC_NUMBER (R_AVR_HI8_LDI_PM, 13)
RELOC_NUMBER (R_AVR_HH8_LDI_PM, 14)
RELOC_NUMBER (R_AVR_LO8_LDI_PM_NEG, 15)
RELOC_NUMBER (R_AVR_HI8_LDI_PM_NEG, 16)
RELOC_NUMBER (R_AVR_HH8_LDI_PM_NEG, 17)
RELOC_NUMBER (R_AVR_CALL, 18)
Add support for the new R_AVR_LDI, R_AVR_6 and R_AVR_6_ADIW relocs for the LDI, ADIW/SBIW and LDD/STD instructions.
2004-12-22 14:25:42 +00:00
RELOC_NUMBER (R_AVR_LDI, 19)
RELOC_NUMBER (R_AVR_6, 20)
RELOC_NUMBER (R_AVR_6_ADIW, 21)
Add linker relaxation support for the AVR
2006-03-03 15:25:31 +00:00
RELOC_NUMBER (R_AVR_MS8_LDI, 22)
RELOC_NUMBER (R_AVR_MS8_LDI_NEG, 23)
Add support for AVR6 family
2006-05-24 07:36:12 +00:00
RELOC_NUMBER (R_AVR_LO8_LDI_GS, 24)
RELOC_NUMBER (R_AVR_HI8_LDI_GS, 25)
PR 11297: Add support for 8-bit relocations to the AVR toolchain.
2010-02-23 11:38:36 +00:00
RELOC_NUMBER (R_AVR_8, 26)
PR 13503 * reloc.c: Add new ENUM for BFD_RELOC_AVR_8_LO, BFD_RELOC_AVR_8_HI, BFD_RELOC_AVR_8_HHI. * bfd-in2.h: Regenerate. * libbfd.h: Regenrate. * elf32-avr.c (elf_avr_howto_table): Add entries for R_AVR_8_LO8, R_AVR_8_HI8, R_AVR_8_HHI8. (avr_reloc_map): Add RELOC mappings for R_AVR_8_LO8, R_AVR_8_HI8, R_AVR_8_HHI8. * config/tc-avr.c (exp_mod_pm): Remove variable. (exp_mod_data_t): New typedef. (pexp_mod_data, exp_mod_data): New variables. (avr_parse_cons_expression): Scan through exp_mod_data[] to find data expression modifiers "pm", "gs", "lo8", hi8", "hhi8", "hh8" and set pexp_mod_data accordingly to be used in avr_cons_fix_new. (avr_cons_fix_new): Handle new data expression modifiers shipped in pexp_mod_data. (md_apply_fix): Handle BFD_RELOC_AVR_8_LO, BFD_RELOC_AVR_8_HI, BFD_RELOC_AVR_8_HHI. * elf/avr.h (RELOC_NUMBERS): Add values for R_AVR_8_LO8, R_AVR_8_HI8, R_AVR_8_HHI8.
2012-05-11 12:59:23 +00:00
RELOC_NUMBER (R_AVR_8_LO8, 27)
RELOC_NUMBER (R_AVR_8_HI8, 28)
PR 13503 * reloc.c: Rename BFD_RELOC_AVR_8_HHI to BFD_RELOC_AVR_8_HLO. * bfd-in2.h: Regenerate. * libbfd.h: Regenrate. * elf32-avr.c (elf_avr_howto_table): Rename R_AVR_8_HHI8 to R_AVR_8_HLO8. (avr_reloc_map): Ditto. * config/tc-avr.c (avr_cons_fix_new): Rename R_AVR_8_HHI8 to R_AVR_8_HLO8. (exp_mod_data) Ditto. And replace "hhi8" with "hlo8". (md_apply_fix): Rename BFD_RELOC_AVR_8_HHI to BFD_RELOC_AVR_8_HLO. * avr.h (RELOC_NUMBERS): Rename R_AVR_8_HHI8 to R_AVR_8_HLO8.
2012-05-16 14:52:16 +00:00
RELOC_NUMBER (R_AVR_8_HLO8, 29)
bfd/ChangeLog * elf32-avr.c: Add DIFF relocations for AVR. (avr_final_link_relocate): Handle the DIFF relocs. (bfd_elf_avr_diff_reloc): New. (elf32_avr_is_diff_reloc): New. (elf32_avr_adjust_diff_reloc_value): Reduce difference value. (elf32_avr_relax_delete_bytes): Recompute difference after deleting bytes. * reloc.c: Add BFD_RELOC_AVR_DIFF8/16/32 relocations gas/ChangeLog * config/tc-avr.c: Add new flag mlink-relax. (md_show_usage): Add flag and help text. (md_parse_option): Record whether link relax is turned on. (relaxable_section): New. (avr_validate_fix_sub): New. (avr_force_relocation): New. (md_apply_fix): Generate DIFF reloc. (avr_allow_local_subtract): New. * config/tc-avr.h (TC_LINKRELAX_FIXUP): Define to 0. (TC_FORCE_RELOCATION): Define. (TC_FORCE_RELOCATION_SUB_SAME): Define. (TC_VALIDATE_FIX_SUB): Define. (avr_force_relocation): Declare. (avr_validate_fix_sub): Declare. (md_allow_local_subtract): Define. (avr_allow_local_subtract): Declare. gas/testsuite/ChangeLog * gas/avr/diffreloc_withrelax.d: New testcase. * gas/avr/noreloc_withoutrelax.d: Likewise. * gas/avr/relax.s: Likewise. include/ChangeLog * elf/avr.h: Add new DIFF relocs. ld/testsuite/ChangeLog * ld-avr/norelax_diff.d: New testcase. * ld-avr/relax_diff.d: Likewise. * ld-avr/relax.s: Likewise.
2014-04-10 15:50:33 +00:00
RELOC_NUMBER (R_AVR_DIFF8, 30)
RELOC_NUMBER (R_AVR_DIFF16, 31)
RELOC_NUMBER (R_AVR_DIFF32, 32)
Add support for the AVR Tiny series of microcontrollers. * archures.c: add avrtiny architecture for avr target. * bfd-in2.h: Regenerate. * cpu-avr.c (arch_info_struct): add avrtiny arch info. * elf32-avr.c (elf_avr_howto_table): new relocation R_AVR_LDS_STS_16 added for 16 bit LDS/STS instruction of avrtiny arch. (avr_reloc_map): reloc R_AVR_LDS_STS_16 is mapped to BFD_RELOC_AVR_LDS_STS_16. (bfd_elf_avr_final_write_processing): select machine number avrtiny arch. (elf32_avr_object_p): set machine number for avrtiny arch. * libbfd.h: Regenerate. * reloc.c: Add documentation for BFD_RELOC_AVR_LDS_STS_16 reloc. * config/tc-avr.c (mcu_types): Add avrtiny arch. Add avrtiny arch devices attiny4, attiny5, attiny9, attiny10, attiny20 and attiny40. (md_show_usage): Add avrtiny arch in usage message. (avr_operand): validate and issue error for invalid register for avrtiny. add new reloc exp for 16 bit lds/sts instruction. (md_apply_fix): check 16 bit lds/sts operand for out of range and encode. (md_assemble): check ISA for arch and issue diagnostic. * include/elf/avr.h (E_AVR_MACH_AVRTINY): define avrtiny machine number. (R_AVR_LDS_STS_16): define 16 bit lds/sts reloc number. * include/opcode/avr.h (AVR_ISA_TINY): define avrtiny specific ISA. (AVR_ISA_2xxxa): define ISA without LPM. (AVR_ISA_AVRTINY): define avrtiny arch ISA. Add doc for contraint used in 16 bit lds/sts. Adjust ISA group for icall, ijmp, pop and push. Add 16 bit lds/sts encoding and update 32 bit lds/sts constraints. * opcodes/avr-dis.c (avr_operand): Handle constraint j for 16 bit lds/sts. (print_insn_avr): do not select opcode if insn ISA is avrtiny and machine is not avrtiny. * Makefile.am (ALL_EMULATION_SOURCES): add avrtiny emulation source. (eavrtiny.c): add rules for avrtiny emulation source. * Makefile.in: Regenerate. * configure.tgt: Add avrtiny to avr target emulations. * scripttempl/avrtiny.sc: New file. linker script template for avrtiny arch. * emulparams/avrtiny.sh: New file. emulation parameters for avrtiny arch.
2014-07-01 09:20:17 +00:00
RELOC_NUMBER (R_AVR_LDS_STS_16, 33)
Adds support for writing values to AVR system I/O registers. * elf32-avr.c: Handle R_AVR_PORT5 and R_AVR_PORT6. * reloc.c: Add BFD_RELOC_AVR_PORT5 and BFD_RELOC_AVR_PORT6. * bfd-in2.h: Regenerate. * libbfd.h: Regenerate. * avr.h: Add R_AVR_PORT5 and R_AVR_PORT6. * config/tc-avr.c (avr_operand): Permit referring to r26-r31 by name as [xyz][hl]. Permit using a symbol whoes name begins with `r' to refer to a register. Allow arbitrary expressions for the P and p operators. (md_apply_fix): Check the BFD_RELOC_AVR_PORT5 and BFD_RELOC_AVR_PORT6 relocations.
2014-07-07 15:15:19 +00:00
RELOC_NUMBER (R_AVR_PORT6, 34)
RELOC_NUMBER (R_AVR_PORT5, 35)
Define DIFF_EXPR_OK for avr target to allow PC relative difference relocation. When generating relocation (tc_gen_reloc) 32 bit relocation fixup is changed to new 32 bit PC relative relocation if the fixup has pc-relative flag set. bfd/ChangeLog 2015-07-06 Pitchumani Sivanupandi <pitchumani.s@atmel.com> * elf32-avr.c: Add 32 bit PC relative relocation for AVR target. gas/ChangeLog 2015-07-06 Pitchumani Sivanupandi <pitchumani.s@atmel.com> * config/tc-avr.c (tc_gen_reloc): Change 32 bit relocation to 32 bit PC relative and update offset if the fixup is pc-relative. * config/tc-avr.h (DIFF_EXPR_OK): Define to enable PC relative diff relocs. gas/testsuite/ChangeLog 2015-07-06 Pitchumani Sivanupandi <pitchumani.s@atmel.com> * gas/avr/pc-relative-reloc.d: New test for 32 bit pc relative reloc. * gas/avr/per-function-debugline.s: New test source. include/ChangeLog 2015-07-06 Pitchumani Sivanupandi <pitchumani.s@atmel.com> * elf/avr.h: Add new 32 bit PC relative relocation. ld/testsuite/ChangeLog 2015-07-06 Pitchumani Sivanupandi <pitchumani.s@atmel.com> * ld-avr/gc-section-debugline.d: New test. * ld-avr/per-function-debugline.s: Source for new test.
2015-07-08 18:35:19 +00:00
RELOC_NUMBER (R_AVR_32_PCREL, 36)
Get rid of the -1 dummy valued enum in START_RELOC_NUMBERS. Remove duplicate reloc enums in elf32-d[13]0v.c Remove EMPTY_HOWTOs in elf32-i386.c
2000-06-07 03:43:33 +00:00
END_RELOC_NUMBERS (R_AVR_max)
ATMEL AVR microcontroller support.
2000-03-27 08:39:14 +00:00
#endif /* _ELF_AVR_H */
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