summaryrefslogtreecommitdiff
path: root/test/ELF/gdb-index-multiple-cu.s
diff options
context:
space:
mode:
Diffstat (limited to 'test/ELF/gdb-index-multiple-cu.s')
-rw-r--r--test/ELF/gdb-index-multiple-cu.s88
1 files changed, 88 insertions, 0 deletions
diff --git a/test/ELF/gdb-index-multiple-cu.s b/test/ELF/gdb-index-multiple-cu.s
new file mode 100644
index 000000000000..9a8c2eae78d4
--- /dev/null
+++ b/test/ELF/gdb-index-multiple-cu.s
@@ -0,0 +1,88 @@
+# REQUIRES: x86
+# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
+# RUN: ld.lld --gdb-index %t.o -o %t
+# RUN: llvm-dwarfdump -gdb-index %t | FileCheck %s
+
+# CuIndexAndAttrs of _start:
+# Attributes << 24 | CuIndex = 48 << 24 | 0 = 0x30000000
+# CuIndexAndAttrs of foo:
+# Attributes << 24 | CuIndex = 48 << 24 | 1 = 0x30000001
+# CHECK: Symbol table
+# CHECK-DAG: String name: _start, CU vector index: 0
+# CHECK-DAG: String name: foo, CU vector index: 1
+# CHECK: Constant pool
+# CHECK-NEXT: 0(0x0): 0x30000000
+# CHECK-NEXT: 1(0x8): 0x30000001
+
+.globl _start, foo
+_start:
+foo:
+
+.section .debug_abbrev,"",@progbits
+ .byte 1 # Abbreviation Code
+ .byte 17 # DW_TAG_compile_unit
+ .byte 1 # DW_CHILDREN_yes
+ .ascii "\264B" # DW_AT_GNU_pubnames
+ .byte 25 # DW_FORM_flag_present
+ .byte 0 # EOM(1)
+ .byte 0 # EOM(2)
+ .byte 2 # Abbreviation Code
+ .byte 46 # DW_TAG_subprogram
+ .byte 0 # DW_CHILDREN_no
+ .byte 3 # DW_AT_name
+ .byte 8 # DW_FORM_string
+ .byte 0 # EOM(1)
+ .byte 0 # EOM(2)
+ .byte 0
+
+.section .debug_info,"",@progbits
+.Lcu_begin0:
+ .long .Lcu_end0 - .Lcu_begin0 - 4
+ .short 4 # DWARF version number
+ .long 0 # Offset Into Abbrev. Section
+ .byte 4 # Address Size
+.Ldie0:
+ .byte 1 # Abbrev [1] DW_TAG_compile_unit
+ .byte 2 # Abbrev [2] DW_TAG_subprogram
+ .asciz "_start" # DW_AT_name
+ .byte 0
+ .byte 0
+.Lcu_end0:
+.Lcu_begin1:
+ .long .Lcu_end1 - .Lcu_begin1 - 4
+ .short 4 # DWARF version number
+ .long 0 # Offset Into Abbrev. Section
+ .byte 4 # Address Size
+.Ldie1:
+ .byte 1 # Abbrev [1] DW_TAG_compile_unit
+ .byte 2 # Abbrev [2] DW_TAG_subprogram
+ .asciz "foo" # DW_AT_name
+ .byte 0
+.Lcu_end1:
+
+# Swap sets to test the case where pubnames are in a
+# different order than the CUs they refer to.
+.section .debug_gnu_pubnames,"",@progbits
+ # CuIndex: 1
+ .long .LpubNames_end1 - .LpubNames_begin1
+.LpubNames_begin1:
+ .short 2 # Version
+ .long .Lcu_begin1 # CU Offset
+ .long .Lcu_end1 - .Lcu_begin1
+ .long .Ldie1 - .Lcu_begin1
+ .byte 48 # Attributes: FUNCTION, EXTERNAL
+ .asciz "foo" # External Name
+ .long 0
+.LpubNames_end1:
+
+ # CuIndex: 0
+ .long .LpubNames_end0 - .LpubNames_begin0
+.LpubNames_begin0:
+ .short 2 # Version
+ .long .Lcu_begin0 # CU Offset
+ .long .Lcu_end0 - .Lcu_begin0
+ .long .Ldie0 - .Lcu_begin0
+ .byte 48 # Attributes: FUNCTION, EXTERNAL
+ .asciz "_start" # External Name
+ .long 0
+.LpubNames_end0: