x86/cet: Properly output labels in property note section

Replace ASM_OUTPUT_LABEL with fprintf so that internal labels in property
note section are unchanged by -fleading-underscore.

gcc/

	PR target/85404
	* config/i386/cet.c (file_end_indicate_exec_stack_and_cet):
	Replace ASM_OUTPUT_LABEL with fprintf.

gcc/testsuite/

	PR target/85404
	* gcc.target/i386/pr85404.c: New test.

From-SVN: r259498

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 89c6c91..89a4f3f 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,11 @@
 2018-04-19  H.J. Lu  <hongjiu.lu@intel.com>
 
+       PR target/85404
+       * config/i386/cet.c (file_end_indicate_exec_stack_and_cet):
+       Replace ASM_OUTPUT_LABEL with fprintf.
+
+2018-04-19  H.J. Lu  <hongjiu.lu@intel.com>
+
        PR target/85417
        * config/i386/cet.c (file_end_indicate_exec_stack_and_cet):
        Check flag_cf_protection instead of TARGET_IBT and TARGET_SHSTK.

diff --git a/gcc/config/i386/cet.c b/gcc/config/i386/cet.c
index eb3be17..9dd90f0 100644 (file)
--- a/gcc/config/i386/cet.c
+++ b/gcc/config/i386/cet.c
@@ -57,20 +57,20 @@ file_end_indicate_exec_stack_and_cet (void)
       fprintf (asm_out_file, ASM_LONG " 4f - 1f\n");
       /* note type: NT_GNU_PROPERTY_TYPE_0.  */
       fprintf (asm_out_file, ASM_LONG " 5\n");
-      ASM_OUTPUT_LABEL (asm_out_file, "0");
+      fprintf (asm_out_file, "0:\n");
       /* vendor name: "GNU".  */
       fprintf (asm_out_file, STRING_ASM_OP " \"GNU\"\n");
-      ASM_OUTPUT_LABEL (asm_out_file, "1");
+      fprintf (asm_out_file, "1:\n");
       ASM_OUTPUT_ALIGN (asm_out_file, p2align);
       /* pr_type: GNU_PROPERTY_X86_FEATURE_1_AND.  */
       fprintf (asm_out_file, ASM_LONG " 0xc0000002\n");
       /* pr_datasz.  */\
       fprintf (asm_out_file, ASM_LONG " 3f - 2f\n");
-      ASM_OUTPUT_LABEL (asm_out_file, "2");
+      fprintf (asm_out_file, "2:\n");
       /* GNU_PROPERTY_X86_FEATURE_1_XXX.  */
       fprintf (asm_out_file, ASM_LONG " 0x%x\n", feature_1);
-      ASM_OUTPUT_LABEL (asm_out_file, "3");
+      fprintf (asm_out_file, "3:\n");
       ASM_OUTPUT_ALIGN (asm_out_file, p2align);
-      ASM_OUTPUT_LABEL (asm_out_file, "4");
+      fprintf (asm_out_file, "4:\n");
     }
 }

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 884e772..d09c567 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,10 @@
 2018-04-19  H.J. Lu  <hongjiu.lu@intel.com>
 
+       PR target/85404
+       * gcc.target/i386/pr85404.c: New test.
+
+2018-04-19  H.J. Lu  <hongjiu.lu@intel.com>
+
        PR target/85417
        * c-c++-common/attr-nocf-check-1.c: Compile with
        -fcf-protection=none.

diff --git a/gcc/testsuite/gcc.target/i386/pr85404.c b/gcc/testsuite/gcc.target/i386/pr85404.c
new file mode 100644 (file)
index 0000000..bbf456e
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr85404.c
@@ -0,0 +1,6 @@
+/* { dg-do assemble } */
+/* { dg-options "-fleading-underscore -mcet -fcf-protection" } */
+
+void func(void) __asm("_func");
+void _func(int x) {}
+void func(void) {}