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libffi/boehm-gc/crt files executable stack (missing .note.GNU-stack on .o files)


Add .note.GNU-stack sections for gcc's crt files, libffi and boehm-gc
The patch is taken from the redhat/gcc-4_1-branch, the libffi parts
are reported in PR libffi/28036.

:ADDPATCH libffi:

gcc/

2005-05-04  Jakub Jelinek  <jakub@redhat.com>

	Revert:
	2005-04-29  Alan Modra  <amodra@bigpond.net.au>
	PR target/21098
	* config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
	* config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.

2004-09-20  Jakub Jelinek  <jakub@redhat.com>

	* config/rs6000/ppc-asm.h: Add .note.GNU-stack section also
	on ppc64-linux.

	* config/ia64/lib1funcs.asm: Add .note.GNU-stack section on
	ia64-linux.
	* config/ia64/crtbegin.asm: Likewise.
	* config/ia64/crtend.asm: Likewise.
	* config/ia64/crti.asm: Likewise.
	* config/ia64/crtn.asm: Likewise.

2004-05-14  Jakub Jelinek  <jakub@redhat.com>

	* config/ia64/linux.h (TARGET_ASM_FILE_END): Define.


boehm-gc/

2005-02-08  Jakub Jelinek  <jakub@redhat.com>

	* ia64_save_regs_in_stack.s: Moved to...
	* ia64_save_regs_in_stack.S: ... this.  Add .note.GNU-stack
	on Linux.

libffi/

2005-02-08  Jakub Jelinek  <jakub@redhat.com>

	PR libffi/28036
	* src/alpha/osf.S: Add .note.GNU-stack on Linux.
	* src/s390/sysv.S: Likewise.
	* src/powerpc/linux64.S: Likewise.
	* src/powerpc/linux64_closure.S: Likewise.
	* src/powerpc/ppc_closure.S: Likewise.
	* src/powerpc/sysv.S: Likewise.
	* src/x86/unix64.S: Likewise.
	* src/x86/sysv.S: Likewise.
	* src/sparc/v8.S: Likewise.
	* src/sparc/v9.S: Likewise.
	* src/m68k/sysv.S: Likewise.
	* src/ia64/unix.S: Likewise.
	* src/arm/sysv.S: Likewise.


Index: gcc/config/ia64/linux.h
===================================================================
--- gcc/config/ia64/linux.h	(revision 107431)
+++ gcc/config/ia64/linux.h	(revision 107432)
@@ -5,6 +5,8 @@
 
 #define TARGET_VERSION fprintf (stderr, " (IA-64) Linux");
 
+#define TARGET_ASM_FILE_END file_end_indicate_exec_stack
+
 /* This is for -profile to use -lc_p instead of -lc.  */
 #undef CC1_SPEC
 #define CC1_SPEC "%{profile:-p} %{G*}"
Index: gcc/config/ia64/lib1funcs.asm
===================================================================
--- gcc/config/ia64/lib1funcs.asm	(revision 107431)
+++ gcc/config/ia64/lib1funcs.asm	(revision 107432)
@@ -792,3 +792,7 @@
 	}
 	.endp __floattitf
 #endif
+
+#ifdef __linux__
+.section .note.GNU-stack; .previous
+#endif
Index: gcc/config/ia64/crti.asm
===================================================================
--- gcc/config/ia64/crti.asm	(revision 107431)
+++ gcc/config/ia64/crti.asm	(revision 107432)
@@ -64,3 +64,7 @@
 	.body
 
 # end of crti.asm
+
+#ifdef __linux__
+.section .note.GNU-stack; .previous
+#endif
Index: gcc/config/ia64/crtn.asm
===================================================================
--- gcc/config/ia64/crtn.asm	(revision 107431)
+++ gcc/config/ia64/crtn.asm	(revision 107432)
@@ -54,3 +54,7 @@
 	br.ret.sptk.many b0
 
 # end of crtn.asm
+
+#ifdef __linux__
+.section .note.GNU-stack; .previous
+#endif
Index: gcc/config/ia64/crtend.asm
===================================================================
--- gcc/config/ia64/crtend.asm	(revision 107431)
+++ gcc/config/ia64/crtend.asm	(revision 107432)
@@ -122,3 +122,7 @@
 
 	br.ret.sptk.many rp
 	.endp __do_global_ctors_aux
+
+#ifdef __linux__
+.section .note.GNU-stack; .previous
+#endif
Index: gcc/config/ia64/crtbegin.asm
===================================================================
--- gcc/config/ia64/crtbegin.asm	(revision 107431)
+++ gcc/config/ia64/crtbegin.asm	(revision 107432)
@@ -255,3 +255,7 @@
 .weak __cxa_finalize
 #endif
 .weak _Jv_RegisterClasses
+
+#ifdef __linux__
+.section .note.GNU-stack; .previous
+#endif
Index: gcc/config/rs6000/linux64.h
===================================================================
--- gcc/config/rs6000/linux64.h	(revision 107431)
+++ gcc/config/rs6000/linux64.h	(revision 107432)
@@ -543,7 +543,7 @@
 #undef DRAFT_V4_STRUCT_RET
 #define DRAFT_V4_STRUCT_RET (!TARGET_64BIT)
 
-#define TARGET_ASM_FILE_END rs6000_elf_end_indicate_exec_stack
+#define TARGET_ASM_FILE_END file_end_indicate_exec_stack
 
 #define TARGET_POSIX_IO
 
Index: gcc/config/rs6000/rs6000.c
===================================================================
--- gcc/config/rs6000/rs6000.c	(revision 119819)
+++ gcc/config/rs6000/rs6000.c	(working copy)
@@ -659,7 +659,6 @@
 static unsigned int rs6000_elf_section_type_flags (tree, const char *, int);
 static void rs6000_elf_asm_out_constructor (rtx, int);
 static void rs6000_elf_asm_out_destructor (rtx, int);
-static void rs6000_elf_end_indicate_exec_stack (void) ATTRIBUTE_UNUSED;
 static void rs6000_elf_asm_init_sections (void);
 static section *rs6000_elf_select_section (tree, int, unsigned HOST_WIDE_INT);
 static void rs6000_elf_unique_section (tree, int);
@@ -19332,13 +19331,6 @@
     }
   ASM_OUTPUT_LABEL (file, name);
 }
-
-static void
-rs6000_elf_end_indicate_exec_stack (void)
-{
-  if (TARGET_32BIT)
-    file_end_indicate_exec_stack ();
-}
 #endif
 
 #if TARGET_XCOFF
Index: gcc/config/rs6000/ppc-asm.h
===================================================================
--- gcc/config/rs6000/ppc-asm.h	(revision 107431)
+++ gcc/config/rs6000/ppc-asm.h	(revision 107432)
@@ -158,7 +158,7 @@
 	.size FUNC_NAME(name),GLUE(.L,name)-FUNC_NAME(name)
 #endif
 
-#if defined __linux__ && !defined __powerpc64__
+#if defined __linux__
 	.section .note.GNU-stack
 	.previous
 #endif
Index: boehm-gc/ia64_save_regs_in_stack.s
===================================================================
--- boehm-gc/ia64_save_regs_in_stack.s	(revision 107431)
+++ boehm-gc/ia64_save_regs_in_stack.s	(revision 107432)
@@ -1,12 +0,0 @@
-        .text
-        .align 16
-        .global GC_save_regs_in_stack
-        .proc GC_save_regs_in_stack
-GC_save_regs_in_stack:
-        .body
-        flushrs
-        ;;
-        mov r8=ar.bsp
-        br.ret.sptk.few rp
-        .endp GC_save_regs_in_stack
-
Index: boehm-gc/ia64_save_regs_in_stack.S
===================================================================
--- boehm-gc/ia64_save_regs_in_stack.S	(revision 0)
+++ boehm-gc/ia64_save_regs_in_stack.S	(revision 107432)
@@ -0,0 +1,15 @@
+        .text
+        .align 16
+        .global GC_save_regs_in_stack
+        .proc GC_save_regs_in_stack
+GC_save_regs_in_stack:
+        .body
+        flushrs
+        ;;
+        mov r8=ar.bsp
+        br.ret.sptk.few rp
+        .endp GC_save_regs_in_stack
+
+#ifdef __linux__
+	.section .note.GNU-stack,"",@progbits
+#endif
Index: libffi/src/powerpc/ppc_closure.S
===================================================================
--- libffi/src/powerpc/ppc_closure.S	(revision 107431)
+++ libffi/src/powerpc/ppc_closure.S	(revision 107432)
@@ -326,3 +326,7 @@
 .LEFDE1:
 
 #endif
+
+#if defined __ELF__ && defined __linux__
+	.section	.note.GNU-stack,"",@progbits
+#endif
Index: libffi/src/powerpc/sysv.S
===================================================================
--- libffi/src/powerpc/sysv.S	(revision 107431)
+++ libffi/src/powerpc/sysv.S	(revision 107432)
@@ -209,3 +209,7 @@
       .align 2
 .LEFDE1:
 #endif
+
+#if defined __ELF__ && defined __linux__
+	.section	.note.GNU-stack,"",@progbits
+#endif
Index: libffi/src/powerpc/linux64_closure.S
===================================================================
--- libffi/src/powerpc/linux64_closure.S	(revision 107431)
+++ libffi/src/powerpc/linux64_closure.S	(revision 107432)
@@ -204,3 +204,7 @@
 	.align 3
 .LEFDE1:
 #endif
+
+#if defined __ELF__ && defined __linux__
+	.section	.note.GNU-stack,"",@progbits
+#endif
Index: libffi/src/powerpc/linux64.S
===================================================================
--- libffi/src/powerpc/linux64.S	(revision 107431)
+++ libffi/src/powerpc/linux64.S	(revision 107432)
@@ -178,3 +178,7 @@
 	.align 3
 .LEFDE1:
 #endif
+
+#if defined __ELF__ && defined __linux__
+	.section	.note.GNU-stack,"",@progbits
+#endif
Index: libffi/src/arm/sysv.S
===================================================================
--- libffi/src/arm/sysv.S	(revision 107431)
+++ libffi/src/arm/sysv.S	(revision 107432)
@@ -207,3 +207,6 @@
 .ffi_call_SYSV_end:
         .size    CNAME(ffi_call_SYSV),.ffi_call_SYSV_end-CNAME(ffi_call_SYSV)
 
+#if defined __ELF__ && defined __linux__
+	.section	.note.GNU-stack,"",@progbits
+#endif
Index: libffi/src/m68k/sysv.S
===================================================================
--- libffi/src/m68k/sysv.S	(revision 107431)
+++ libffi/src/m68k/sysv.S	(revision 107432)
@@ -95,3 +95,7 @@
 	unlk	%a6
 	rts
 	.size	ffi_call_SYSV,.-ffi_call_SYSV
+
+#if defined __ELF__ && defined __linux__
+	.section	.note.GNU-stack,"",@progbits
+#endif
Index: libffi/src/alpha/osf.S
===================================================================
--- libffi/src/alpha/osf.S	(revision 107431)
+++ libffi/src/alpha/osf.S	(revision 107432)
@@ -356,4 +356,8 @@
 	.byte	16		# uleb128 offset 16*-8
 	.align 3
 $LEFDE3:
+
+#ifdef __linux__
+	.section	.note.GNU-stack,"",@progbits
 #endif
+#endif
Index: libffi/src/x86/sysv.S
===================================================================
--- libffi/src/x86/sysv.S	(revision 107431)
+++ libffi/src/x86/sysv.S	(revision 107432)
@@ -376,3 +376,7 @@
 #endif
 
 #endif /* ifndef __x86_64__ */
+
+#if defined __ELF__ && defined __linux__
+	.section	.note.GNU-stack,"",@progbits
+#endif
Index: libffi/src/x86/unix64.S
===================================================================
--- libffi/src/x86/unix64.S	(revision 107431)
+++ libffi/src/x86/unix64.S	(revision 107432)
@@ -410,3 +410,7 @@
 .LEFDE3:
 
 #endif /* __x86_64__ */
+
+#if defined __ELF__ && defined __linux__
+	.section	.note.GNU-stack,"",@progbits
+#endif
Index: libffi/src/s390/sysv.S
===================================================================
--- libffi/src/s390/sysv.S	(revision 107431)
+++ libffi/src/s390/sysv.S	(revision 107432)
@@ -427,3 +427,6 @@
 
 #endif
 
+#if defined __ELF__ && defined __linux__
+	.section	.note.GNU-stack,"",@progbits
+#endif
Index: libffi/src/ia64/unix.S
===================================================================
--- libffi/src/ia64/unix.S	(revision 107431)
+++ libffi/src/ia64/unix.S	(revision 107432)
@@ -553,3 +553,7 @@
 	data8	@pcrel(.Lld_hfa_float)		// FFI_IA64_TYPE_HFA_FLOAT
 	data8	@pcrel(.Lld_hfa_double)		// FFI_IA64_TYPE_HFA_DOUBLE
 	data8	@pcrel(.Lld_hfa_ldouble)	// FFI_IA64_TYPE_HFA_LDOUBLE
+
+#if defined __ELF__ && defined __linux__
+	.section	.note.GNU-stack,"",@progbits
+#endif
Index: libffi/src/sparc/v9.S
===================================================================
--- libffi/src/sparc/v9.S	(revision 107431)
+++ libffi/src/sparc/v9.S	(revision 107432)
@@ -300,3 +300,7 @@
 	.align 8
 .LLEFDE2:
 #endif
+
+#ifdef __linux__
+	.section	.note.GNU-stack,"",@progbits
+#endif
Index: libffi/src/sparc/v8.S
===================================================================
--- libffi/src/sparc/v8.S	(revision 107431)
+++ libffi/src/sparc/v8.S	(revision 107432)
@@ -265,3 +265,7 @@
 	.byte	0x1f	! uleb128 0x1f
 	.align	WS
 .LLEFDE2:
+
+#if defined __ELF__ && defined __linux__
+	.section	.note.GNU-stack,"",@progbits
+#endif


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