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authorcltang <cltang@138bc75d-0d04-0410-961f-82ee72b054a4>2015-01-20 14:49:51 +0000
committercltang <cltang@138bc75d-0d04-0410-961f-82ee72b054a4>2015-01-20 14:49:51 +0000
commitc46389f0ac560e67a438f70620a9340456778eb9 (patch)
treef52044c174fb3d9f216f4b1f50a3a749b46669cd /gcc/config/nios2
parent0d0f1868a46b0830d09804198b8075d232a8bd28 (diff)
downloadgcc-c46389f0ac560e67a438f70620a9340456778eb9.tar.gz
2015-01-20 Chung-Lin Tang <cltang@codesourcery.com>
gcc/ * config/nios2/nios2.c (nios2_asm_file_end): Implement TARGET_ASM_FILE_END hook for adding .note.GNU-stack section when needed. (TARGET_ASM_FILE_END): Define. libgcc/ * config/nios2/linux-unwind.h (nios2_fallback_frame_state): Update rt_sigframe format and address for current Nios II Linux conventions. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@219898 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/nios2')
-rw-r--r--gcc/config/nios2/nios2.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/config/nios2/nios2.c b/gcc/config/nios2/nios2.c
index 502314942cc..a7a140ee8d6 100644
--- a/gcc/config/nios2/nios2.c
+++ b/gcc/config/nios2/nios2.c
@@ -2223,6 +2223,18 @@ nios2_output_dwarf_dtprel (FILE *file, int size, rtx x)
fprintf (file, ")");
}
+/* Implemet TARGET_ASM_FILE_END. */
+
+static void
+nios2_asm_file_end (void)
+{
+ /* The Nios II Linux stack is mapped non-executable by default, so add a
+ .note.GNU-stack section for switching to executable stacks only when
+ trampolines are generated. */
+ if (TARGET_LINUX_ABI && trampolines_created)
+ file_end_indicate_exec_stack ();
+}
+
/* Implement TARGET_ASM_FUNCTION_PROLOGUE. */
static void
nios2_asm_function_prologue (FILE *file, HOST_WIDE_INT size ATTRIBUTE_UNUSED)
@@ -3401,6 +3413,9 @@ nios2_merge_decl_attributes (tree olddecl, tree newdecl)
#undef TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA
#define TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA nios2_output_addr_const_extra
+#undef TARGET_ASM_FILE_END
+#define TARGET_ASM_FILE_END nios2_asm_file_end
+
#undef TARGET_OPTION_OVERRIDE
#define TARGET_OPTION_OVERRIDE nios2_option_override