aboutsummaryrefslogtreecommitdiff
path: root/ld/testsuite/ld-tic6x
diff options
context:
space:
mode:
authorPaul Brook <paul@codesourcery.com>2011-05-09 13:23:27 +0000
committerPaul Brook <paul@codesourcery.com>2011-05-09 13:23:27 +0000
commitfbd9ad907dc6a283dc1bec51ecd91355ac866949 (patch)
tree5da7ed5d318ae034a7cd45f359d151c445adadf2 /ld/testsuite/ld-tic6x
parent1bce6bd86f99b05ddc311eb34545165983ff8ddc (diff)
downloadgdb-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.ld15
-rw-r--r--ld/testsuite/ld-tic6x/unwind-1.d10
-rw-r--r--ld/testsuite/ld-tic6x/unwind-1.s25
-rw-r--r--ld/testsuite/ld-tic6x/unwind-2.d10
-rw-r--r--ld/testsuite/ld-tic6x/unwind-2.s23
-rw-r--r--ld/testsuite/ld-tic6x/unwind-3.d11
-rw-r--r--ld/testsuite/ld-tic6x/unwind-3.s39
-rw-r--r--ld/testsuite/ld-tic6x/unwind-4.d11
-rw-r--r--ld/testsuite/ld-tic6x/unwind-4.s68
-rw-r--r--ld/testsuite/ld-tic6x/unwind-5.d7
-rw-r--r--ld/testsuite/ld-tic6x/unwind-5.s16
-rw-r--r--ld/testsuite/ld-tic6x/unwind-6.d13
-rw-r--r--ld/testsuite/ld-tic6x/unwind.ld20
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) }
+}