Commit graph

19 commits

Author SHA1 Message Date
Alan Modra
b90efa5b79 ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
Barney Stratford
75f580857a 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 16:15:19 +01:00
Barney Stratford
f36e88862f 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 10:20:17 +01:00
Denis Chertykov
e4ef1b6c3f 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 19:50:33 +04:00
Alan Modra
4b95cf5c0c Update copyright years 2014-03-05 22:16:15 +10:30
Nick Clifton
40551fb82e 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
Nick Clifton
99700d6feb 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
Eric B. Weddington
8cc66334fa /bfd:
2011-03-22  Eric B. Weddington  <eric.weddington@atmel.com>

	* archures.c: Add AVR XMEGA architecture information.
	* cpu-avr.c (arch_info_struct): Likewise.
	* elf32-avr.c (bfd_elf_avr_final_write_processing): Likewise.
	(elf32_avr_object_p): Likewise.

/gas:
2011-03-22  Eric B. Weddington  <eric.weddington@atmel.com>

	* config/tc-avr.c (struct avr_opcodes_s): Add opcode field.
	(AVR_INSN): Change definition to match.
	(avr_opcodes): Likewise, change to match.
	(mcu_types): Add XMEGA architecture names and new XMEGA device names.
	(md_show_usage): Add XMEGA architecture names.
	(avr_operand): Add 'E' constraint for DES instruction of XMEGA devices.
	Add support for SPM Z+ instruction.
	* doc/c-avr.texi: Add documentation for XMEGA architectures and
	devices.

/include/opcode:
2011-03-22  Eric B. Weddington  <eric.weddington@atmel.com>

	* avr.h (AVR_ISA_SPMX,AVR_ISA_DES,AVR_ISA_M256,AVR_ISA_XMEGA):
	New instruction set flags.
	(AVR_INSN): Add new instructions for SPM Z+, DES for XMEGA.

/ld:
2011-03-22  Eric B. Weddington  <eric.weddington@atmel.com>

	* Makefile.am (ALL_EMULATION_SOURCES): Add AVR XMEGA architectures.
	(eavrxmega?.c): Likewise.
	* configure.tgt (targ_extra_emuls): Likewise.
	* emulparams/avrxmega1.sh: New file.
	* emulparams/avrxmega2.sh: Likewise.
	* emulparams/avrxmega3.sh: Likewise.
	* emulparams/avrxmega4.sh: Likewise.
	* emulparams/avrxmega5.sh: Likewise.
	* emulparams/avrxmega6.sh: Likewise.
	* emulparams/avrxmega7.sh: Likewise.
	* emultempl/avrelf.em (avr_elf_${EMULATION_NAME}_before_allocation):
	Add avrxmega6, avrxmega7 to list of architectures for no stubs.

/opcodes:
2011-03-22  Eric B. Weddington  <eric.weddington@atmel.com>

	* avr-dis.c (avr_operand): Add opcode_str parameter. Check for
	post-increment to support LPM Z+ instruction. Add support for 'E'
	constraint for DES instruction.
	(print_insn_avr): Adjust calls to avr_operand. Rename variable.
2011-03-22 18:10:48 +00:00
Nick Clifton
e4e42b45d5 Upgrade header files to use GPLv3 2010-04-15 10:26:09 +00:00
Nick Clifton
17e5723725 PR 11297: Add support for 8-bit relocations to the AVR toolchain. 2010-02-23 11:38:36 +00:00
Eric B. Weddington
7b21ac3f45 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
Nick Clifton
28c9d252b4 Add support for AVR6 family 2006-05-24 07:36:12 +00:00
Nick Clifton
df406460e9 Add linker relaxation support for the AVR 2006-03-03 15:25:31 +00:00
Nick Clifton
e172dbf8aa Update the address and phone number of the FSF organization 2005-05-10 10:21:13 +00:00
Nick Clifton
750bce0ee1 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
Nick Clifton
4f1d9bd8e2 Fix typos in ChangeLogs; add coff/external.h; fix copyright dates 2001-03-14 02:27:44 +00:00
Nick Clifton
65aa24b6e8 Applied Marek Michalkiewicz <marekm@linux.org.pl>'s patch to ehance the AVR port. 2000-06-27 01:45:30 +00:00
Alan Modra
1b452ec66b 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
Alan Modra
adde6300e0 ATMEL AVR microcontroller support. 2000-03-27 08:39:14 +00:00