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[PATCH] [MIPS] PR gas/14798: Limit IRIX5 specific default typing to IRIX targets

From: Faraz Shahbazker <fshahbazker at wavecomp dot com>
To: "binutils at sourceware dot org" <binutils at sourceware dot org>
Cc: Faraz Shahbazker <fshahbazker at wavecomp dot com>
Date: Mon, 6 May 2019 16:09:02 +0000
Subject: [PATCH] [MIPS] PR gas/14798: Limit IRIX5 specific default typing to IRIX targets

On IRIX 5, every global symbol that is not explicitly labelled as
being a function is assumed to be an object.  There is no reason
why IRIX behaviour should extend to all MIPS targets, so limit this
to only IRIX targets.

gas/
	PR gas/14798
	* config/tc-mips.c (s_mips_globl): Only treat symbols that are
	not explicitly labelled as BSF_OBJECTs for IRIX targets.
	* testsuite/gas/mips/pr14798.s: New test source.
	* testsuite/gas/mips/pr14798-irix.d: New test.
	* testsuite/gas/mips/pr14798.d: Likewise.
	* testsuite/gas/mips/mips.exp: Run the new tests.

binutils/
	PR gas/14798
	* testsuite/binutils-all/readelf.ss-mips: Update reference output.
	* testsuite/binutils-all/readelf.ss-tmips: Likewise.

ld/
	PR gas/14798
	* testsuite/ld-mips-elf/reloc-6a.s: Specify .text section for
	global code symbols.
	* testsuite/ld-mips-elf/reloc-6b.s: Likewise.
---
 binutils/testsuite/binutils-all/readelf.ss-mips  | 8 ++++----
 binutils/testsuite/binutils-all/readelf.ss-tmips | 8 ++++----
 gas/config/tc-mips.c                             | 4 ++++
 gas/testsuite/gas/mips/mips.exp                  | 6 ++++++
 gas/testsuite/gas/mips/pr14798-irix.d            | 6 ++++++
 gas/testsuite/gas/mips/pr14798.d                 | 5 +++++
 gas/testsuite/gas/mips/pr14798.s                 | 5 +++++
 ld/testsuite/ld-mips-elf/reloc-6a.s              | 4 ++--
 ld/testsuite/ld-mips-elf/reloc-6b.s              | 4 ++--
 9 files changed, 38 insertions(+), 12 deletions(-)
 create mode 100644 gas/testsuite/gas/mips/pr14798-irix.d
 create mode 100644 gas/testsuite/gas/mips/pr14798.d
 create mode 100644 gas/testsuite/gas/mips/pr14798.s

diff --git a/binutils/testsuite/binutils-all/readelf.ss-mips b/binutils/testsuite/binutils-all/readelf.ss-mips
index 9f4cfa5..c49416b 100644
--- a/binutils/testsuite/binutils-all/readelf.ss-mips
+++ b/binutils/testsuite/binutils-all/readelf.ss-mips
@@ -9,11 +9,11 @@ Symbol table '.symtab' contains 16 entries:
  +5: 00000000 +0 +SECTION +LOCAL +DEFAULT +. (|\.MIPS\.abiflags)
  +6: 00000000 +0 +SECTION +LOCAL +DEFAULT +. (|\.pdr)
  +7: 00000000 +0 +SECTION +LOCAL +DEFAULT +. (|\.gnu\.attributes)
- +8: 00000000 +0 +OBJECT +GLOBAL +DEFAULT +. text_symbol
+ +8: 00000000 +0 +NOTYPE +GLOBAL +DEFAULT +. text_symbol
  +9: 00000000 +0 +NOTYPE +LOCAL +DEFAULT +. static_text_symbol
  +10: 00000000 +0 +NOTYPE +GLOBAL +DEFAULT +UND external_symbol
- +11: 00000000 +0 +OBJECT +GLOBAL +DEFAULT +. data_symbol
+ +11: 00000000 +0 +NOTYPE +GLOBAL +DEFAULT +. data_symbol
  +12: 00000000 +0 +NOTYPE +LOCAL +DEFAULT +. static_data_symbol
  +13: 00000004 +4 +(COMMON|OBJECT) +GLOBAL +DEFAULT +(PRC|COM) common_symbol
- +14: 00000008 +0 +OBJECT +GLOBAL +DEFAULT +. text_symbol2
- +15: 0000000c +0 +OBJECT +GLOBAL +DEFAULT +. text_symbol3
+ +14: 00000008 +0 +NOTYPE +GLOBAL +DEFAULT +. text_symbol2
+ +15: 0000000c +0 +NOTYPE +GLOBAL +DEFAULT +. text_symbol3
diff --git a/binutils/testsuite/binutils-all/readelf.ss-tmips b/binutils/testsuite/binutils-all/readelf.ss-tmips
index d22fc08..4fd7fe0 100644
--- a/binutils/testsuite/binutils-all/readelf.ss-tmips
+++ b/binutils/testsuite/binutils-all/readelf.ss-tmips
@@ -11,9 +11,9 @@ Symbol table '.symtab' contains 16 entries:
  +7: 00000000 +0 +SECTION +LOCAL +DEFAULT +6 
  +8: 00000000 +0 +SECTION +LOCAL +DEFAULT +7 
  +9: 00000000 +0 +SECTION +LOCAL +DEFAULT +8 
- +10: 00000000 +0 +OBJECT +GLOBAL +DEFAULT +1 text_symbol
+ +10: 00000000 +0 +NOTYPE +GLOBAL +DEFAULT +1 text_symbol
  +11: 00000000 +0 +NOTYPE +GLOBAL +DEFAULT +UND external_symbol
- +12: 00000000 +0 +OBJECT +GLOBAL +DEFAULT +3 data_symbol
+ +12: 00000000 +0 +NOTYPE +GLOBAL +DEFAULT +3 data_symbol
  +13: 00000004 +4 +(COMMON|OBJECT) +GLOBAL +DEFAULT +(PRC|COM) common_symbol
- +14: 00000008 +0 +OBJECT +GLOBAL +DEFAULT +. text_symbol2
- +15: 0000000c +0 +OBJECT +GLOBAL +DEFAULT +. text_symbol3
+ +14: 00000008 +0 +NOTYPE +GLOBAL +DEFAULT +. text_symbol2
+ +15: 0000000c +0 +NOTYPE +GLOBAL +DEFAULT +. text_symbol3
diff --git a/gas/config/tc-mips.c b/gas/config/tc-mips.c
index 6a945e3..df8196b 100644
--- a/gas/config/tc-mips.c
+++ b/gas/config/tc-mips.c
@@ -16446,9 +16446,13 @@ s_mips_globl (int x ATTRIBUTE_UNUSED)
       *input_line_pointer = c;
       SKIP_WHITESPACE_AFTER_NAME ();
 
+#ifdef TE_IRIX
       /* On Irix 5, every global symbol that is not explicitly labelled as
          being a function is apparently labelled as being an object.  */
       flag = BSF_OBJECT;
+#else
+      flag = BSF_NO_FLAGS;
+#endif
 
       if (!is_end_of_line[(unsigned char) *input_line_pointer]
 	  && (*input_line_pointer != ','))
diff --git a/gas/testsuite/gas/mips/mips.exp b/gas/testsuite/gas/mips/mips.exp
index 3e66fcf..f4c3097 100644
--- a/gas/testsuite/gas/mips/mips.exp
+++ b/gas/testsuite/gas/mips/mips.exp
@@ -2086,4 +2086,10 @@ if { [istarget mips*-*-vxworks*] } {
 
     run_dump_test_arches "llpscp-32" [mips_arch_list_matching mips32r6]
     run_dump_test_arch "llpscp-64" "" mips64r6
+
+    if [istarget *-*-irix*] {
+	run_dump_test "pr14798-irix"
+    } else {
+	run_dump_test "pr14798"
+    }
 }
diff --git a/gas/testsuite/gas/mips/pr14798-irix.d b/gas/testsuite/gas/mips/pr14798-irix.d
new file mode 100644
index 0000000..4407a9b
--- /dev/null
+++ b/gas/testsuite/gas/mips/pr14798-irix.d
@@ -0,0 +1,6 @@
+#DUMPPROG: readelf
+#readelf: -s
+#source: pr14798.s
+#...
+ *[0-9]+: +[0-9]+ +[0-9]+ +OBJECT +GLOBAL +DEFAULT +[0-9]+ foo
+#pass
\ No newline at end of file
diff --git a/gas/testsuite/gas/mips/pr14798.d b/gas/testsuite/gas/mips/pr14798.d
new file mode 100644
index 0000000..e43f513
--- /dev/null
+++ b/gas/testsuite/gas/mips/pr14798.d
@@ -0,0 +1,5 @@
+#DUMPPROG: readelf
+#readelf: -s
+#...
+ *[0-9]+: +[0-9]+ +[0-9]+ +NOTYPE +GLOBAL +DEFAULT +[0-9]+ foo
+#pass
\ No newline at end of file
diff --git a/gas/testsuite/gas/mips/pr14798.s b/gas/testsuite/gas/mips/pr14798.s
new file mode 100644
index 0000000..4093c21
--- /dev/null
+++ b/gas/testsuite/gas/mips/pr14798.s
@@ -0,0 +1,5 @@
+	.text
+	.globl foo
+foo:
+	nop
+
diff --git a/ld/testsuite/ld-mips-elf/reloc-6a.s b/ld/testsuite/ld-mips-elf/reloc-6a.s
index 4d84e83..da8ec11 100644
--- a/ld/testsuite/ld-mips-elf/reloc-6a.s
+++ b/ld/testsuite/ld-mips-elf/reloc-6a.s
@@ -1,5 +1,5 @@
-	.globl	us
-	.globl	gs
+	.globl	us .text
+	.globl	gs .text
 us:
 gs:
 ls:
diff --git a/ld/testsuite/ld-mips-elf/reloc-6b.s b/ld/testsuite/ld-mips-elf/reloc-6b.s
index aa2a726..ae4e9bc 100644
--- a/ld/testsuite/ld-mips-elf/reloc-6b.s
+++ b/ld/testsuite/ld-mips-elf/reloc-6b.s
@@ -1,5 +1,5 @@
-	.globl	__start
-	.globl	gs
+	.globl	__start .text
+	.globl	gs .text
 __start:
 gs:
 ls:
-- 
2.9.5

Follow-Ups:
- Re: [PATCH] [MIPS] PR gas/14798: Limit IRIX5 specific default typing to IRIX targets
  - From: Faraz Shahbazker

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