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https://sourceware.org/git/binutils-gdb.git
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7ef3addbe1
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.
79 lines
1.3 KiB
ArmAsm
79 lines
1.3 KiB
ArmAsm
.file "main-with-data-bss.c"
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.global glob_var_array
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.section .data.glob_var_array,"aw",@progbits
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.balign 2
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.type glob_var_array, @object
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.size glob_var_array, 20
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glob_var_array:
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.short 0
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.short 1
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.short 2
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.short 3
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.short 4
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.short 5
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.short 6
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.short 7
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.short 8
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.short 9
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.section .bss.glob_bss_array,"aw",@nobits
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.balign 2
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.type glob_bss_array, @object
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.size glob_bss_array, 20
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glob_bss_array:
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.zero 20
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.section .text.main,"ax",@progbits
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.balign 2
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.global main
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.type main, @function
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main:
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; start of function
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; framesize_regs: 0
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; framesize_locals: 2
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; framesize_outgoing: 0
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; framesize: 2
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; elim ap -> fp 2
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; elim fp -> sp 2
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; saved regs:(none)
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; start of prologue
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SUB.W #2, R1
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; end of prologue
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MOV.W #0, @R1
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BR #.L2
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.L7:
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MOV.W @R1, R12
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ADD.W R12, R12
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ADD.W #glob_var_array, R12
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MOV.W @R12, R13
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MOV.W R13, R12
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ADD.W R12, R12
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ADD.W R13, R12
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rpt #2 { rlax.w R12
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SUB.W R13, R12
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CMP.W #110, R12 { JNE .L3
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.L4:
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BR #.L4
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.L3:
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MOV.W @R1, R12
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ADD.W R12, R12
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ADD.W #glob_bss_array, R12
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MOV.W @R12, R13
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MOV.W R13, R12
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ADD.W R12, R12
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ADD.W R13, R12
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rpt #2 { rlax.w R12
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SUB.W R13, R12
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CMP.W #110, R12 { JNE .L5
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.L6:
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BR #.L6
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.L5:
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ADD.W #1, @R1
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.L2:
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MOV.B #9, R12
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CMP.W @R1, R12 { JGE .L7
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MOV.B #0, R12
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; start of epilogue
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.refsym __crt0_call_exit
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ADD.W #2, R1
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RET
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.size main, .-main
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