ld: Add the entry symbol, _main, for LynxOS targets

Add the entry symbol, _main, to fix:

FAIL: ld-elf/64ksec
FAIL: ld-elf/comm-data4
FAIL: ld-elf/comm-data5
FAIL: ld-elf/eh5
FAIL: ld-elf/empty
FAIL: ld-elf/empty2
FAIL: ld-elf/endsym
FAIL: ld-elf/exclude3a
FAIL: ld-elf/linkonce2
FAIL: ld-elf/orphan3
FAIL: ld-elf/pr12851
FAIL: ld-elf/pr14156a
FAIL: ld-elf/pr14156b
FAIL: ld-elf/pr14926
FAIL: ld-elf/pr20513a
FAIL: ld-elf/pr20513b
FAIL: ld-elf/stab
FAIL: ld-elf/var1
FAIL: ld-elf/warn3
FAIL: section size overflow

for i386-lynxos target.

	* testsuite/ld-checks/over2.s: Add "_main" for LynxOS targets.
	* testsuite/ld-elf/comm-data4.s: Likewise.
	* testsuite/ld-elf/comm-data5.s: Likewise.
	* testsuite/ld-elf/eh5b.s: Likewise.
	* testsuite/ld-elf/empty.s: Likewise.
	* testsuite/ld-elf/empty2.s: Likewise.
	* testsuite/ld-elf/exclude3.s: Likewise.
	* testsuite/ld-elf/fini0.s: Likewise.
	* testsuite/ld-elf/init0.s: Likewise.
	* testsuite/ld-elf/linkonce1b.s: Likewise.
	* testsuite/ld-elf/orphan3a.s: Likewise.
	* testsuite/ld-elf/pr14926.s: Likewise.
	* testsuite/ld-elf/pr20513a.s: Likewise.
	* testsuite/ld-elf/sec64k.exp: Likewise.
	* testsuite/ld-elf/start.s: Likewise.
	* testsuite/ld-elf/var1.s: Likewise.

17 files changed, 55 insertions, 0 deletions

diff --git a/ld/ChangeLog b/ld/ChangeLog
index 1baf2b7..d754500 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,22 @@
+2018-09-20  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* testsuite/ld-checks/over2.s: Add "_main" for LynxOS targets.
+	* testsuite/ld-elf/comm-data4.s: Likewise.
+	* testsuite/ld-elf/comm-data5.s: Likewise.
+	* testsuite/ld-elf/eh5b.s: Likewise.
+	* testsuite/ld-elf/empty.s: Likewise.
+	* testsuite/ld-elf/empty2.s: Likewise.
+	* testsuite/ld-elf/exclude3.s: Likewise.
+	* testsuite/ld-elf/fini0.s: Likewise.
+	* testsuite/ld-elf/init0.s: Likewise.
+	* testsuite/ld-elf/linkonce1b.s: Likewise.
+	* testsuite/ld-elf/orphan3a.s: Likewise.
+	* testsuite/ld-elf/pr14926.s: Likewise.
+	* testsuite/ld-elf/pr20513a.s: Likewise.
+	* testsuite/ld-elf/sec64k.exp: Likewise.
+	* testsuite/ld-elf/start.s: Likewise.
+	* testsuite/ld-elf/var1.s: Likewise.
+
 2018-09-20  Kito Cheng  <kito@andestech.com>
 
 	* emulparams/elf32lriscv.sh: Correct the library search path.
diff --git a/ld/testsuite/ld-checks/over2.s b/ld/testsuite/ld-checks/over2.s
index dc6de0e..41ce67e 100644
--- a/ld/testsuite/ld-checks/over2.s
+++ b/ld/testsuite/ld-checks/over2.s
@@ -1,4 +1,6 @@
 	.text
 	.globl _start
 _start:
+	.globl	_main
+_main:
 	.long 0
diff --git a/ld/testsuite/ld-elf/comm-data4.s b/ld/testsuite/ld-elf/comm-data4.s
index 60e0f3d..f2b608b 100644
--- a/ld/testsuite/ld-elf/comm-data4.s
+++ b/ld/testsuite/ld-elf/comm-data4.s
@@ -8,11 +8,13 @@ i .comm 4
  .dc.a i
 
  .globl main
+ .globl _main
  .globl start
  .globl _start
  .globl __start
  .text
 main:
+_main:
 start:
 _start:
 __start:
diff --git a/ld/testsuite/ld-elf/comm-data5.s b/ld/testsuite/ld-elf/comm-data5.s
index 2da32c7..e74c2eb 100644
--- a/ld/testsuite/ld-elf/comm-data5.s
+++ b/ld/testsuite/ld-elf/comm-data5.s
@@ -8,11 +8,13 @@ i .comm 4
  .dc.a i
 
  .globl main
+ .globl _main
  .globl start
  .globl _start
  .globl __start
  .text
 main:
+_main:
 start:
 _start:
 __start:
diff --git a/ld/testsuite/ld-elf/eh5b.s b/ld/testsuite/ld-elf/eh5b.s
index fa27edd..09ebf09 100644
--- a/ld/testsuite/ld-elf/eh5b.s
+++ b/ld/testsuite/ld-elf/eh5b.s
@@ -25,10 +25,12 @@
 	.cfi_endproc
 
 	.globl main
+	.globl _main
 	.globl start
 	.globl _start
 	.globl __start
 main:
+_main:
 start:
 _start:
 __start:
diff --git a/ld/testsuite/ld-elf/empty.s b/ld/testsuite/ld-elf/empty.s
index 8c2d0e6..059f208 100644
--- a/ld/testsuite/ld-elf/empty.s
+++ b/ld/testsuite/ld-elf/empty.s
@@ -13,4 +13,7 @@ __start:
 	.type main,"function"
 	.global main
 main:
+	.type _main,"function"
+	.global _main
+_main:
 	.long 0
diff --git a/ld/testsuite/ld-elf/empty2.s b/ld/testsuite/ld-elf/empty2.s
index deed318..46ec928 100644
--- a/ld/testsuite/ld-elf/empty2.s
+++ b/ld/testsuite/ld-elf/empty2.s
@@ -15,4 +15,7 @@ __start:
 	.type main,"function"
 	.global main
 main:
+	.type _main,"function"
+	.global _main
+_main:
 	.long constant
diff --git a/ld/testsuite/ld-elf/exclude3.s b/ld/testsuite/ld-elf/exclude3.s
index 475088f..e32ad47 100644
--- a/ld/testsuite/ld-elf/exclude3.s
+++ b/ld/testsuite/ld-elf/exclude3.s
@@ -11,6 +11,9 @@ __start:
 	.type main,"function"
 	.global main
 main:
+	.type _main,"function"
+	.global _main
+_main:
 	.long 0
 	.section .foo1,"e", %progbits
 	.byte 0,0,0,0
diff --git a/ld/testsuite/ld-elf/fini0.s b/ld/testsuite/ld-elf/fini0.s
index 45e327c..465f10c 100644
--- a/ld/testsuite/ld-elf/fini0.s
+++ b/ld/testsuite/ld-elf/fini0.s
@@ -7,6 +7,8 @@ _start:
 __start:
 	.global main	/* Used by HPPA targets.  */
 main:
+	.globl	_main	/* Used by LynxOS targets.  */
+_main:
 	.dc.a 0
 
 	.section .fini, "a"
diff --git a/ld/testsuite/ld-elf/init0.s b/ld/testsuite/ld-elf/init0.s
index 903f0b0..d7e6e1a 100644
--- a/ld/testsuite/ld-elf/init0.s
+++ b/ld/testsuite/ld-elf/init0.s
@@ -7,6 +7,8 @@ _start:
 __start:
 	.global main	/* Used by HPPA targets.  */
 main:
+	.globl	_main	/* Used by LynxOS targets.  */
+_main:
 	.dc.a 0
 
 	.section .init, "a"
diff --git a/ld/testsuite/ld-elf/linkonce1b.s b/ld/testsuite/ld-elf/linkonce1b.s
index fd45cec..266b484 100644
--- a/ld/testsuite/ld-elf/linkonce1b.s
+++ b/ld/testsuite/ld-elf/linkonce1b.s
@@ -1,9 +1,11 @@
 	.globl main
+	.globl _main
 	.globl start
 	.globl _start
 	.globl __start
 	.text
 main:
+_main:
 start:
 _start:
 __start:
diff --git a/ld/testsuite/ld-elf/orphan3a.s b/ld/testsuite/ld-elf/orphan3a.s
index bc3023b..3131b1a 100644
--- a/ld/testsuite/ld-elf/orphan3a.s
+++ b/ld/testsuite/ld-elf/orphan3a.s
@@ -1,9 +1,11 @@
  .globl main
+ .globl _main
  .globl start
  .globl _start
  .globl __start
  .text
 main:
+_main:
 start:
 _start:
 __start:
diff --git a/ld/testsuite/ld-elf/pr14926.s b/ld/testsuite/ld-elf/pr14926.s
index 3d132f6..cd650e1 100644
--- a/ld/testsuite/ld-elf/pr14926.s
+++ b/ld/testsuite/ld-elf/pr14926.s
@@ -1,9 +1,11 @@
 	.text
 	.globl main
+	.globl _main
 	.globl start
 	.globl _start
 	.globl __start
 main:
+_main:
 start:
 _start:
 __start:
diff --git a/ld/testsuite/ld-elf/pr20513a.s b/ld/testsuite/ld-elf/pr20513a.s
index 0f54bb1..bc882a9 100644
--- a/ld/testsuite/ld-elf/pr20513a.s
+++ b/ld/testsuite/ld-elf/pr20513a.s
@@ -11,4 +11,7 @@ __start:
 	.type main,"function"
 	.global main
 main:
+	.type _main,"function"
+	.global _main
+_main:
 	.long 0
diff --git a/ld/testsuite/ld-elf/sec64k.exp b/ld/testsuite/ld-elf/sec64k.exp
index 3909c0e..a36a5a3 100644
--- a/ld/testsuite/ld-elf/sec64k.exp
+++ b/ld/testsuite/ld-elf/sec64k.exp
@@ -79,6 +79,8 @@ for { set i 0 } { $i < $max_sec / $secs_per_file } { incr i } {
 	puts $ofd "__start:"
 	puts $ofd " .global main"
 	puts $ofd "main:"
+	puts $ofd " .global _main"
+	puts $ofd "_main:"
 	puts $ofd " .global foo_0"
 	puts $ofd "foo_0: .dc.a 0"
     }
diff --git a/ld/testsuite/ld-elf/start.s b/ld/testsuite/ld-elf/start.s
index d8655be..4d82394 100644
--- a/ld/testsuite/ld-elf/start.s
+++ b/ld/testsuite/ld-elf/start.s
@@ -7,4 +7,6 @@ _start:
 __start:
 	.global main	/* Used by HPPA targets.  */
 main:
+	.globl	_main	/* Used by LynxOS targets.  */
+_main:
 	.dc.a 0
diff --git a/ld/testsuite/ld-elf/var1.s b/ld/testsuite/ld-elf/var1.s
index 58bc931..7fe3bcf 100644
--- a/ld/testsuite/ld-elf/var1.s
+++ b/ld/testsuite/ld-elf/var1.s
@@ -1,9 +1,11 @@
 	.globl main
+	.globl _main
 	.globl start
 	.globl _start
 	.globl __start
 	.text
 main:
+_main:
 start:
 _start:
 __start: