Blame SOURCES/binutils-gas-Use-the-directory-name-in-.file-0.patch

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diff --git a/gas/testsuite/gas/elf/dwarf-5-file0-2.d b/gas/testsuite/gas/elf/dwarf-5-file0-2.d
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new file mode 100644
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index 00000000000..4b3ed29f4c9
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--- /dev/null
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+++ b/gas/testsuite/gas/elf/dwarf-5-file0-2.d
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@@ -0,0 +1,15 @@
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+#as: --gdwarf-5
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+#name: DWARF5 .file 0 dir file
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+#readelf: -wl
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+
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+#...
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+ The Directory Table \(offset 0x.*, lines 1, columns 1\):
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+  Entry	Name
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+#...
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+  0	\(indirect line string, offset: 0x.*\): /example
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+
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+ The File Name Table \(offset 0x.*, lines 2, columns 2\):
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+  Entry	Dir	Name
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+  0	0	\(indirect line string, offset: 0x.*\): test.c
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+  1	0	\(indirect line string, offset: 0x.*\): test.c
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+#pass
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diff --git a/gas/testsuite/gas/elf/dwarf-5-file0-2.s b/gas/testsuite/gas/elf/dwarf-5-file0-2.s
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new file mode 100644
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index 00000000000..135a03bf493
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--- /dev/null
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+++ b/gas/testsuite/gas/elf/dwarf-5-file0-2.s
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@@ -0,0 +1,111 @@
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+	.file	"test.c"
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+	.text
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+.Ltext0:
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+	.file 0 "/example" "test.c"
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+	.globl	x
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+	.section	.bss
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+	.balign 4
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+	.type	x, @object
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+	.size	x, 4
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+x:
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+	.zero	4
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+	.text
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+.Letext0:
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+	.file 1 "test.c"
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+	.section	.debug_info,"",%progbits
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+.Ldebug_info0:
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+	.long	0x32
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+	.2byte	0x5
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+	.byte	0x1
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+	.byte	0x4
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+	.long	.Ldebug_abbrev0
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+	.uleb128 0x1
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+	.long	.LASF2
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+	.byte	0x1d
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+	.long	.LASF0
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+	.long	.LASF1
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+	.long	.Ldebug_line0
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+	.uleb128 0x2
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+	.string	"x"
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+	.byte	0x1
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+	.byte	0x1
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+	.byte	0x5
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+	.long	0x2e
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+	.uleb128 0x5
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+	.byte	0x3
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+	.long	x
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+	.uleb128 0x3
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+	.byte	0x4
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+	.byte	0x5
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+	.string	"int"
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+	.byte	0
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+	.section	.debug_abbrev,"",%progbits
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+.Ldebug_abbrev0:
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+	.uleb128 0x1
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+	.uleb128 0x11
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+	.byte	0x1
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+	.uleb128 0x25
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+	.uleb128 0xe
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+	.uleb128 0x13
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+	.uleb128 0xb
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+	.uleb128 0x3
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+	.uleb128 0x1f
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+	.uleb128 0x1b
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+	.uleb128 0x1f
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+	.uleb128 0x10
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+	.uleb128 0x17
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+	.byte	0
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+	.byte	0
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+	.uleb128 0x2
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+	.uleb128 0x34
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+	.byte	0
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+	.uleb128 0x3
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+	.uleb128 0x8
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+	.uleb128 0x3a
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+	.uleb128 0xb
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+	.uleb128 0x3b
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+	.uleb128 0xb
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+	.uleb128 0x39
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+	.uleb128 0xb
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+	.uleb128 0x49
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+	.uleb128 0x13
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+	.uleb128 0x3f
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+	.uleb128 0x19
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+	.uleb128 0x2
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+	.uleb128 0x18
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+	.byte	0
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+	.byte	0
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+	.uleb128 0x3
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+	.uleb128 0x24
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+	.byte	0
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+	.uleb128 0xb
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+	.uleb128 0xb
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+	.uleb128 0x3e
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+	.uleb128 0xb
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+	.uleb128 0x3
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+	.uleb128 0x8
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+	.byte	0
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+	.byte	0
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+	.byte	0
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+	.section	.debug_aranges,"",%progbits
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+	.long	0x14
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+	.2byte	0x2
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+	.long	.Ldebug_info0
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+	.byte	0x4
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+	.byte	0
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+	.2byte	0
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+	.2byte	0
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+	.long	0
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+	.long	0
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+	.section	.debug_line,"",%progbits
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+.Ldebug_line0:
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+	.section	.debug_str,"MS",%progbits,1
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+.LASF2:
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+	.string	"GNU C17 11.2.1 -g"
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+	.section	.debug_line_str,"MS",%progbits,1
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+.LASF1:
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+	.string	"/example"
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+.LASF0:
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+	.string	"test.c"
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+	.ident	"GCC: (GNU) 11.2.1"
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+	.section	.note.GNU-stack,"",%progbits
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diff --git a/gas/testsuite/gas/elf/dwarf-5-file0-2.s b/gas/testsuite/gas/elf/dwarf-5-file0-2.s
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index 135a03bf493..bab4a16b56b 100644
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--- a/gas/testsuite/gas/elf/dwarf-5-file0-2.s
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+++ b/gas/testsuite/gas/elf/dwarf-5-file0-2.s
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@@ -5,7 +5,7 @@
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 	.globl	x
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 	.section	.bss
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 	.balign 4
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-	.type	x, @object
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+	.type	x, %object
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 	.size	x, 4
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 x:
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 	.zero	4
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@@ -14,30 +14,30 @@ x:
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 	.file 1 "test.c"
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 	.section	.debug_info,"",%progbits
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 .Ldebug_info0:
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-	.long	0x32
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+	.4byte	0x32
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 	.2byte	0x5
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 	.byte	0x1
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 	.byte	0x4
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-	.long	.Ldebug_abbrev0
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+	.4byte	.Ldebug_abbrev0
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 	.uleb128 0x1
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-	.long	.LASF2
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+	.4byte	.LASF2
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 	.byte	0x1d
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-	.long	.LASF0
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-	.long	.LASF1
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-	.long	.Ldebug_line0
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+	.4byte	.LASF0
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+	.4byte	.LASF1
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+	.4byte	.Ldebug_line0
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 	.uleb128 0x2
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-	.string	"x"
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+	.asciz	"x"
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 	.byte	0x1
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 	.byte	0x1
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 	.byte	0x5
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-	.long	0x2e
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+	.4byte	0x2e
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 	.uleb128 0x5
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 	.byte	0x3
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-	.long	x
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+	.4byte	x
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 	.uleb128 0x3
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 	.byte	0x4
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 	.byte	0x5
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-	.string	"int"
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+	.asciz	"int"
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 	.byte	0
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 	.section	.debug_abbrev,"",%progbits
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 .Ldebug_abbrev0:
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@@ -88,24 +88,24 @@ x:
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 	.byte	0
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 	.byte	0
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 	.section	.debug_aranges,"",%progbits
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-	.long	0x14
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+	.4byte	0x14
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 	.2byte	0x2
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-	.long	.Ldebug_info0
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+	.4byte	.Ldebug_info0
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 	.byte	0x4
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 	.byte	0
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 	.2byte	0
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 	.2byte	0
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-	.long	0
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-	.long	0
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+	.4byte	0
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+	.4byte	0
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 	.section	.debug_line,"",%progbits
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 .Ldebug_line0:
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 	.section	.debug_str,"MS",%progbits,1
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 .LASF2:
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-	.string	"GNU C17 11.2.1 -g"
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+	.asciz	"GNU C17 11.2.1 -g"
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 	.section	.debug_line_str,"MS",%progbits,1
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 .LASF1:
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-	.string	"/example"
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+	.asciz	"/example"
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 .LASF0:
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-	.string	"test.c"
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+	.asciz	"test.c"
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 	.ident	"GCC: (GNU) 11.2.1"
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 	.section	.note.GNU-stack,"",%progbits
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diff -rup binutils.orig/gas/dwarf2dbg.c binutils-2.35.2/gas/dwarf2dbg.c
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--- binutils.orig/gas/dwarf2dbg.c	2021-11-08 14:59:19.759524743 +0000
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+++ binutils-2.35.2/gas/dwarf2dbg.c	2021-11-08 15:00:55.179909708 +0000
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@@ -588,6 +588,7 @@ get_basename (const char * pathname)
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 static unsigned int
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 get_directory_table_entry (const char *  dirname,
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+			   const char *  file0_dirname,
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 			   size_t        dirlen,
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 			   bfd_boolean   can_use_zero)
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 {
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@@ -617,7 +618,7 @@ get_directory_table_entry (const char *
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     {
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       if (dirs == NULL || dirs[0] == NULL)
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 	{
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-	  const char * pwd = getpwd ();
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+	  const char * pwd = file0_dirname ? file0_dirname : getpwd ();
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 	  if (dwarf_level >= 5 && strcmp (dirname, pwd) != 0)
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 	    {
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@@ -626,7 +627,7 @@ get_directory_table_entry (const char *
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 		 directory).  Since we are about to create a directory entry that
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 		 is not the same, allocate the current directory first.
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 		 FIXME: Alternatively we could generate an error message here.  */
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-	      (void) get_directory_table_entry (pwd, strlen (pwd), TRUE);
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+	      (void) get_directory_table_entry (pwd, NULL, strlen (pwd), TRUE);
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 	      d = 1;
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 	    }
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 	  else
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@@ -722,7 +723,7 @@ allocate_filenum (const char * pathname)
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   file = get_basename (pathname);
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   dir_len = file - pathname;
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-  dir = get_directory_table_entry (pathname, dir_len, FALSE);
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+  dir = get_directory_table_entry (pathname, NULL, dir_len, FALSE);
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   /* Do not use slot-0.  That is specifically reserved for use by
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      the '.file 0 "name"' directive.  */
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@@ -762,6 +763,7 @@ allocate_filename_to_slot (const char *
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   const char *file;
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   size_t dirlen;
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   unsigned int i, d;
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+  const char *file0_dirname = dirname;
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   /* Short circuit the common case of adding the same pathname
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      as last time.  */
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@@ -836,7 +838,8 @@ allocate_filename_to_slot (const char *
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       file = filename;
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     }
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-  d = get_directory_table_entry (dirname, dirlen, num == 0);
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+  d = get_directory_table_entry (dirname, file0_dirname, dirlen,
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+				 num == 0);
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   i = num;
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   if (! assign_file_to_slot (i, file, d))
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diff -rup binutils.orig/gas/testsuite/gas/elf/elf.exp binutils-2.35.2/gas/testsuite/gas/elf/elf.exp
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--- binutils.orig/gas/testsuite/gas/elf/elf.exp	2021-11-08 14:59:19.856524118 +0000
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+++ binutils-2.35.2/gas/testsuite/gas/elf/elf.exp	2021-11-08 14:59:36.225418609 +0000
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@@ -274,6 +274,7 @@ if { [is_elf_format] } then {
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     run_dump_test "dwarf2-18" $dump_opts
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     run_dump_test "dwarf2-19" $dump_opts
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     run_dump_test "dwarf-5-file0" $dump_opts
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+    run_dump_test "dwarf-5-file0-2" $dump_opts
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     run_dump_test "dwarf-5-dir0" $dump_opts
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     run_dump_test "dwarf-4-cu" $dump_opts
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     run_dump_test "dwarf-5-cu" $dump_opts
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