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author | Paul Brook <paul@codesourcery.com> | 2011-05-09 13:23:27 +0000 |
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committer | Paul Brook <paul@codesourcery.com> | 2011-05-09 13:23:27 +0000 |
commit | fbd9ad907dc6a283dc1bec51ecd91355ac866949 (patch) | |
tree | 5da7ed5d318ae034a7cd45f359d151c445adadf2 /ld/testsuite/ld-tic6x | |
parent | 1bce6bd86f99b05ddc311eb34545165983ff8ddc (diff) | |
download | gdb-fbd9ad907dc6a283dc1bec51ecd91355ac866949.zip gdb-fbd9ad907dc6a283dc1bec51ecd91355ac866949.tar.gz gdb-fbd9ad907dc6a283dc1bec51ecd91355ac866949.tar.bz2 |
2011-05-09 Paul Brook <paul@codesourcery.com>
bfd/
* bfd-in.h (elf32_tic6x_fix_exidx_coverage): Add prototype.
* bfd-in2.h: Regenerate.
* elf32-tic6x.c: Include limits.h.
(tic6x_unwind_edit_type, tic6x_unwind_table_edit,
_tic6x_elf_section_data): New.
(elf32_tic6x_section_data): Define.
(elf32_tic6x_new_section_hook): Allocate target specific data.
(elf32_tic6x_add_unwind_table_edit): New function.
(get_tic6x_elf_section_data, elf32_tic6x_adjust_exidx_size,
elf32_tic6x_insert_cantunwind_after, elf32_tic6x_add_low31,
elf32_tic6x_copy_exidx_entry): New functions.
(elf_backend_write_section): Define.
ld/
* emultempl/tic6xdsbt.em (merge_exidx_entries): New.
(compare_output_sec_vma): New function.
(gld${EMULATION_NAME}_after_allocation): New function.
(OPTION_NO_MERGE_EXIDX_ENTRIES): Define.
(PARSE_AND_LIST_OPTIONS): Add --no-merge-exidx-entries.
(PARSE_AND_LIST_ARGS_CASES): Add OPTION_NO_MERGE_EXIDX_ENTRIES.
(LDEMUL_AFTER_ALLOCATION): Set.
* ld.texinfo: Document c6x --no-merge-exidx-entries.
ld/testsuite/
* ld-tic6x/discard-unwind.ld: New.
* ld-tic6x/unwind.ld: New.
* ld-tic6x/unwind-1.d: New test.
* ld-tic6x/unwind-1.s: New test.
* ld-tic6x/unwind-2.d: New test.
* ld-tic6x/unwind-2.s: New test.
* ld-tic6x/unwind-3.d: New test.
* ld-tic6x/unwind-3.s: New test.
* ld-tic6x/unwind-4.d: New test.
* ld-tic6x/unwind-4.s: New test.
* ld-tic6x/unwind-5.d: New test.
* ld-tic6x/unwind-5.s: New test.
* ld-tic6x/unwind-6.d: New test.
Diffstat (limited to 'ld/testsuite/ld-tic6x')
-rw-r--r-- | ld/testsuite/ld-tic6x/discard-unwind.ld | 15 | ||||
-rw-r--r-- | ld/testsuite/ld-tic6x/unwind-1.d | 10 | ||||
-rw-r--r-- | ld/testsuite/ld-tic6x/unwind-1.s | 25 | ||||
-rw-r--r-- | ld/testsuite/ld-tic6x/unwind-2.d | 10 | ||||
-rw-r--r-- | ld/testsuite/ld-tic6x/unwind-2.s | 23 | ||||
-rw-r--r-- | ld/testsuite/ld-tic6x/unwind-3.d | 11 | ||||
-rw-r--r-- | ld/testsuite/ld-tic6x/unwind-3.s | 39 | ||||
-rw-r--r-- | ld/testsuite/ld-tic6x/unwind-4.d | 11 | ||||
-rw-r--r-- | ld/testsuite/ld-tic6x/unwind-4.s | 68 | ||||
-rw-r--r-- | ld/testsuite/ld-tic6x/unwind-5.d | 7 | ||||
-rw-r--r-- | ld/testsuite/ld-tic6x/unwind-5.s | 16 | ||||
-rw-r--r-- | ld/testsuite/ld-tic6x/unwind-6.d | 13 | ||||
-rw-r--r-- | ld/testsuite/ld-tic6x/unwind.ld | 20 |
13 files changed, 268 insertions, 0 deletions
diff --git a/ld/testsuite/ld-tic6x/discard-unwind.ld b/ld/testsuite/ld-tic6x/discard-unwind.ld new file mode 100644 index 0000000..00582c1 --- /dev/null +++ b/ld/testsuite/ld-tic6x/discard-unwind.ld @@ -0,0 +1,15 @@ +/* Script for unwinding ld tests */ +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + . = 0x8000; + .text : + { + *(.before) + *(.text) + *(.after) + *(.c6xabi.extab*) + } =0 + /DISCARD/ : { *(.c6xabi.exidx*) } + .c6xabi.attribues 0 : { *(.c6xabi.atttributes) } +} diff --git a/ld/testsuite/ld-tic6x/unwind-1.d b/ld/testsuite/ld-tic6x/unwind-1.d new file mode 100644 index 0000000..11a24d4 --- /dev/null +++ b/ld/testsuite/ld-tic6x/unwind-1.d @@ -0,0 +1,10 @@ +#ld: -T unwind.ld +#objdump: -s + +.*: file format.* + +#... +Contents of section .c6xabi.exidx: + 9000 (00f8ff7f 07020083 1cf8ff7f 01000000|7ffff800 83000207 7ffff81c 00000001) .* +Contents of section .far: +#... diff --git a/ld/testsuite/ld-tic6x/unwind-1.s b/ld/testsuite/ld-tic6x/unwind-1.s new file mode 100644 index 0000000..5783a40 --- /dev/null +++ b/ld/testsuite/ld-tic6x/unwind-1.s @@ -0,0 +1,25 @@ + .cfi_sections .c6xabi.exidx + .text + .global _start + .type _start, %function +_start: + .cfi_startproc + .cfi_offset B3, 0 + .cfi_def_cfa_offset 8 + nop + .p2align 6 + .cfi_endproc + .personalityindex 3 + .endp + + # Section with no unwinding information. + # Linker should insert a cantunwind entry. + .section .after, "xa" + .global __c6xabi_unwind_cpp_pr3 + .type __c6xabi_unwind_cpp_pr3, %function +__c6xabi_unwind_cpp_pr3: + nop + .p2align 6 + + .section .far + .word 0 diff --git a/ld/testsuite/ld-tic6x/unwind-2.d b/ld/testsuite/ld-tic6x/unwind-2.d new file mode 100644 index 0000000..11a24d4 --- /dev/null +++ b/ld/testsuite/ld-tic6x/unwind-2.d @@ -0,0 +1,10 @@ +#ld: -T unwind.ld +#objdump: -s + +.*: file format.* + +#... +Contents of section .c6xabi.exidx: + 9000 (00f8ff7f 07020083 1cf8ff7f 01000000|7ffff800 83000207 7ffff81c 00000001) .* +Contents of section .far: +#... diff --git a/ld/testsuite/ld-tic6x/unwind-2.s b/ld/testsuite/ld-tic6x/unwind-2.s new file mode 100644 index 0000000..dbfd3bd --- /dev/null +++ b/ld/testsuite/ld-tic6x/unwind-2.s @@ -0,0 +1,23 @@ + .cfi_sections .c6xabi.exidx + .text + + .global __c6xabi_unwind_cpp_pr3 + .type __c6xabi_unwind_cpp_pr3, %function +__c6xabi_unwind_cpp_pr3: + .global _start + .type _start, %function +_start: + .cfi_startproc + .cfi_offset B3, 0 + .cfi_def_cfa_offset 8 + nop + .p2align 6 + .cfi_endproc + .personalityindex 3 + .endp + + # last text section has unwind information. Linker should append a + # terminating cantunwind entry. + + .section .far + .word 0 diff --git a/ld/testsuite/ld-tic6x/unwind-3.d b/ld/testsuite/ld-tic6x/unwind-3.d new file mode 100644 index 0000000..9ec69a0 --- /dev/null +++ b/ld/testsuite/ld-tic6x/unwind-3.d @@ -0,0 +1,11 @@ +#ld: -T unwind.ld +#objdump: -s + +.*: file format.* + +#... +Contents of section .c6xabi.exidx: + 9000 (00f8ff7f 07020083 1cf8ff7f 01000000|7ffff800 83000207 7ffff81c 00000001) .* + 9010 (38f8ff7f 07040083 54f8ff7f 01000000|7ffff838 82000407 7ffff854 00000001) .* +Contents of section .far: +#... diff --git a/ld/testsuite/ld-tic6x/unwind-3.s b/ld/testsuite/ld-tic6x/unwind-3.s new file mode 100644 index 0000000..480ee49 --- /dev/null +++ b/ld/testsuite/ld-tic6x/unwind-3.s @@ -0,0 +1,39 @@ + .cfi_sections .c6xabi.exidx + .text + # section without unwind info + .global _start + .type _start, %function +_start: + b .s2 _before + nop 5 + .p2align 6 + + # Section that will be placed first + .section .before, "xa" + .type _before, %function +_before: + .cfi_startproc + .cfi_offset B3, 0 + .cfi_def_cfa_offset 8 + nop + .p2align 6 + .cfi_endproc + .personalityindex 3 + .endp + + # section that will be placed last + .section .after, "xa" + .global __c6xabi_unwind_cpp_pr3 + .type __c6xabi_unwind_cpp_pr3, %function +__c6xabi_unwind_cpp_pr3: + .cfi_startproc + .cfi_offset B10, 0 + .cfi_def_cfa_offset 8 + nop + .p2align 6 + .cfi_endproc + .personalityindex 3 + .endp + + .section .far + .word 0 diff --git a/ld/testsuite/ld-tic6x/unwind-4.d b/ld/testsuite/ld-tic6x/unwind-4.d new file mode 100644 index 0000000..e5c628e --- /dev/null +++ b/ld/testsuite/ld-tic6x/unwind-4.d @@ -0,0 +1,11 @@ +#ld: -T unwind.ld +#objdump: -s + +.*: file format.* + +#... +Contents of section .c6xabi.exidx: + 9000 (00f8ff7f 07020083 1cf8ff7f 7af8ff7f|7ffff800 83000207 7ffff81c 7ffff87a) .* + 9010 (38f8ff7f 07020083 56f8ff7f 01000000|7ffff838 83000207 7ffff856 00000001) .* +Contents of section .far: +#... diff --git a/ld/testsuite/ld-tic6x/unwind-4.s b/ld/testsuite/ld-tic6x/unwind-4.s new file mode 100644 index 0000000..83f3d0d --- /dev/null +++ b/ld/testsuite/ld-tic6x/unwind-4.s @@ -0,0 +1,68 @@ + .cfi_sections .c6xabi.exidx + .text + # out of line table entry + .global _start + .type _start, %function +_start: + .cfi_startproc + .cfi_offset B3, 0 + .cfi_def_cfa_offset 8 + nop + .p2align 6 + .cfi_endproc + .personalityindex 3 + .handlerdata + .word 0 + .endp + + # entry that can be merged + .cfi_startproc + .cfi_offset B3, 0 + .cfi_def_cfa_offset 8 + nop + .p2align 6 + .cfi_endproc + .personalityindex 3 + .endp + + # Section that will be placed first + .section .before, "xa" + .type _before, %function +_before: + .cfi_startproc + .cfi_offset B3, 0 + .cfi_def_cfa_offset 8 + nop + .p2align 6 + .cfi_endproc + .personalityindex 3 + .endp + + # section that will be placed last + .section .after, "xa" + .global __c6xabi_unwind_cpp_pr3 + .type __c6xabi_unwind_cpp_pr3, %function +__c6xabi_unwind_cpp_pr3: + # entry that can be merged + .cfi_startproc + .cfi_offset B3, 0 + .cfi_def_cfa_offset 8 + nop + .cfi_endproc + .personalityindex 3 + .endp + + # final function is cantunwind, so output table size is smaller + # than sum of input sections + .global foo + .type foo, %function +foo: + .cfi_startproc + nop + .p2align 6 + .cfi_endproc + .cantunwind + .endp + + .section .far + .word 0 diff --git a/ld/testsuite/ld-tic6x/unwind-5.d b/ld/testsuite/ld-tic6x/unwind-5.d new file mode 100644 index 0000000..4928874 --- /dev/null +++ b/ld/testsuite/ld-tic6x/unwind-5.d @@ -0,0 +1,7 @@ +#ld: -T discard-unwind.ld +#objdump: -s + +.*: file format.* + +# Check we don't crash when discarding unwind info. +#... diff --git a/ld/testsuite/ld-tic6x/unwind-5.s b/ld/testsuite/ld-tic6x/unwind-5.s new file mode 100644 index 0000000..b4fc213 --- /dev/null +++ b/ld/testsuite/ld-tic6x/unwind-5.s @@ -0,0 +1,16 @@ + .cfi_sections .c6xabi.exidx + .text + .global __c6xabi_unwind_cpp_pr3 + .type __c6xabi_unwind_cpp_pr3, %function +__c6xabi_unwind_cpp_pr3: + .global _start + .type _start, %function +_start: + .cfi_startproc + .cfi_offset B3, 0 + .cfi_def_cfa_offset 8 + nop + .p2align 6 + .cfi_endproc + .personalityindex 3 + .endp diff --git a/ld/testsuite/ld-tic6x/unwind-6.d b/ld/testsuite/ld-tic6x/unwind-6.d new file mode 100644 index 0000000..5de8ee6 --- /dev/null +++ b/ld/testsuite/ld-tic6x/unwind-6.d @@ -0,0 +1,13 @@ +#ld: -T unwind.ld +#source unwind-4.s +#as: -mgenerate-rel +#objdump: -s + +.*: file format.* + +#... +Contents of section .c6xabi.exidx: + 9000 (00f8ff7f 07020083 1cf8ff7f 7af8ff7f|7ffff800 83000207 7ffff81c 7ffff87a) .* + 9010 (38f8ff7f 07020083 56f8ff7f 01000000|7ffff838 83000207 7ffff856 00000001) .* +Contents of section .far: +#... diff --git a/ld/testsuite/ld-tic6x/unwind.ld b/ld/testsuite/ld-tic6x/unwind.ld new file mode 100644 index 0000000..a4f8722 --- /dev/null +++ b/ld/testsuite/ld-tic6x/unwind.ld @@ -0,0 +1,20 @@ +/* Script for unwinding ld tests */ +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + . = 0x8000; + .text : + { + *(.before) + *(.text) + *(.after) + *(.c6xabi.extab*) + } =0 + . = 0x9000; + .c6xabi.exidx : { *(.c6xabi.exidx*) } + . = 0xa000; + .got : { *(.got) *(.got.plt)} + . = 0x12340000; + .far : { *(.far) } + .c6xabi.attribues 0 : { *(.c6xabi.atttributes) } +} |