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4 commits

Author SHA1 Message Date
Jozef Lawrynowicz
e25de718de MSP430 Linker: Define __crt0_init_bss/__crt0_movedata symbols when .lower or .either prefixed sections are present.
ld	* config/tc-msp430.c (msp430_make_init_symbols): Define __crt0_init_bss
	symbol when .lower.bss or .either.bss sections exist.
	Define __crt0_movedata when .lower.data or .either.data sections exist.
	* testsuite/gas/msp430/either-data-bss-sym.d: New test.
	* testsuite/gas/msp430/low-data-bss-sym.d: New test.
	* testsuite/gas/msp430/either-data-bss-sym.s: New test source.
	* testsuite/gas/msp430/low-data-bss-sym.s: New test source.
	* testsuite/gas/msp430/msp430.exp: Run new tests.
	Enable large code model when running -mdata-region={upper,either}
	tests.
2019-04-17 15:05:08 +01:00
Alan Modra
827041555a Update year range in copyright notice of binutils files 2019-01-01 22:06:53 +10:30
Alan Modra
219d1afa89 Update year range in copyright notice of binutils files 2018-01-03 17:49:56 +10:30
Jozef Lawrynowicz
7ef3addbe1 Improve MSP430 section placement.
ld	* emultempl/msp430.em (change_output_section): New function.
	(move_prefixed_section): New function.
	(add_region_prefix): New function.
	(msp430_elf_after_open): New function.
	(gld${EMULATION_NAME}_add_options): Implement.
	(gld${EMULATION_NAME}_list_options): Implement.
	(gld${EMULATION_NAME}_handle_option): Implement.
	* ld.texinfo: Document new options.
	* testsuite/ld-msp430-elf/main-bss-lower.d: New.
	* testsuite/ld-msp430-elf/main-bss-upper.d: New.
	* testsuite/ld-msp430-elf/main-const-lower.d: New.
	* testsuite/ld-msp430-elf/main-const-upper.d: New.
	* testsuite/ld-msp430-elf/main-text-lower.d: New.
	* testsuite/ld-msp430-elf/main-text-upper.d: New.
	* testsuite/ld-msp430-elf/main-var-lower.d: New.
	* testsuite/ld-msp430-elf/main-var-upper.d: New.
	* testsuite/ld-msp430-elf/main-with-data-bss-unique-sec.s: New.
	* testsuite/ld-msp430-elf/main-with-data-bss.s: New.
	* testsuite/ld-msp430-elf/main-with-text-rodata-unique-sec.s: New.
	* testsuite/ld-msp430-elf/main-with-text-rodata.s: New.
	* testsuite/ld-msp430-elf/msp430-elf.exp: New.
	* testsuite/ld-msp430-elf/msp430-no-lower.ld: New.
	* testsuite/ld-msp430-elf/msp430.ld: New.
	* emultempl/msp430.em (data_statement_size): New.
	(eval_upper_either_sections): New.
	(eval_lower_either_sections): New.
	(intermediate_relax_sections): New.
	(msp430_elf_after_allocation): New.
	* emultempl/msp430.em (gld${EMULATION_NAME}_place_orphan): Always
	place sections in the lower region.

gas	* config/tc-msp430.c (md_parse_option): Define high data and high
	bss symbols if -mdata-region is passed.
	Define -mdata-region open.
	* doc/c-msp430.texi: Document -mdata-region.
	* testsuite/gas/msp430/high-data-bss-sym.d: New test.
	* testsuite/gas/msp430/high-data-bss-sym.s: New.
	* testsuite/gas/msp430/msp430.exp: Add -mdata-region tests.
2017-08-29 17:18:43 +01:00