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author | Jozef Lawrynowicz <jozef.l@somniumtech.com> | 2017-08-29 17:18:43 +0100 |
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committer | Nick Clifton <nickc@redhat.com> | 2017-08-29 17:18:43 +0100 |
commit | 7ef3addbe195b6283d0baf59e081146dfb211c97 (patch) | |
tree | c201cf7915b7d05e32742dc90d4c0716e62babcf /gas/testsuite | |
parent | 3819af136deb7ba6bc2058d7848cf80b33dbe51c (diff) | |
download | gdb-7ef3addbe195b6283d0baf59e081146dfb211c97.zip gdb-7ef3addbe195b6283d0baf59e081146dfb211c97.tar.gz gdb-7ef3addbe195b6283d0baf59e081146dfb211c97.tar.bz2 |
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.
Diffstat (limited to 'gas/testsuite')
-rw-r--r-- | gas/testsuite/gas/msp430/high-data-bss-sym.d | 6 | ||||
-rw-r--r-- | gas/testsuite/gas/msp430/high-data-bss-sym.s | 19 | ||||
-rw-r--r-- | gas/testsuite/gas/msp430/msp430.exp | 2 |
3 files changed, 27 insertions, 0 deletions
diff --git a/gas/testsuite/gas/msp430/high-data-bss-sym.d b/gas/testsuite/gas/msp430/high-data-bss-sym.d new file mode 100644 index 0000000..1c8d95b --- /dev/null +++ b/gas/testsuite/gas/msp430/high-data-bss-sym.d @@ -0,0 +1,6 @@ +#objdump: -t +#name: Check symbols to initialise high data and high bss have been defined +#... +.*__crt0_move_highdata.* +.*__crt0_init_highbss.* +#pass diff --git a/gas/testsuite/gas/msp430/high-data-bss-sym.s b/gas/testsuite/gas/msp430/high-data-bss-sym.s new file mode 100644 index 0000000..1e6bf72 --- /dev/null +++ b/gas/testsuite/gas/msp430/high-data-bss-sym.s @@ -0,0 +1,19 @@ + .file "main.c" +.text + .balign 2 + .global main + .type main, @function +main: +; start of function +; framesize_regs: 0 +; framesize_locals: 0 +; framesize_outgoing: 0 +; framesize: 0 +; elim ap -> fp 2 +; elim fp -> sp 0 +; saved regs:(none) + ; start of prologue + ; end of prologue +.L2: + BR #.L2 + .size main, .-main diff --git a/gas/testsuite/gas/msp430/msp430.exp b/gas/testsuite/gas/msp430/msp430.exp index b83e1ac..0dfb271 100644 --- a/gas/testsuite/gas/msp430/msp430.exp +++ b/gas/testsuite/gas/msp430/msp430.exp @@ -24,4 +24,6 @@ if [expr [istarget "msp430-*-*"]] then { run_dump_test "bad" run_dump_test "errata_warns" run_dump_test "errata_fixes" + run_dump_test "high-data-bss-sym" { { as "-mdata-region=upper" } } + run_dump_test "high-data-bss-sym" { { as "-mdata-region=either" } } } |