Attachment 9492 Details for Bug 20554 – untested patch

[patch] untested patch

pr20554.diff (text/plain), 1.22 KB, created by Alan Modra on 2016-09-08 03:07:51 UTC

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Creator: Alan Modra

Created: 2016-09-08 03:07:51 UTC

Size: 1.22 KB

patch

obsolete

>diff --git a/sysdeps/powerpc/powerpc32/ppc-mcount.S b/sysdeps/powerpc/powerpc32/ppc-mcount.S
>index 68df440..62c1bc4 100644
>--- a/sysdeps/powerpc/powerpc32/ppc-mcount.S
>+++ b/sysdeps/powerpc/powerpc32/ppc-mcount.S
>@@ -40,14 +40,28 @@
> */
> 
> ENTRY(_mcount)
>+#if defined PIC && !defined SHARED
>+	stwu	r1,-64(r1)
>+	cfi_adjust_cfa_offset (64)
>+	stw	r30, 48(r1)
>+	cfi_rel_offset (r30, 48)
>+#else
> 	stwu	r1,-48(r1)
> 	cfi_adjust_cfa_offset (48)
>+#endif
> /* We need to save the parameter-passing registers.  */
> 	stw	r3, 12(r1)
> 	stw	r4, 16(r1)
> 	stw	r5, 20(r1)
> 	stw	r6, 24(r1)
> 	mflr	r4
>+#if defined PIC && !defined SHARED
>+	bcl	20,31,0f
>+0:
>+	mflr	r30
>+	addis	r30, r30, _GLOBAL_OFFSET_TABLE_-0b@ha
>+	addi	r30, r30, _GLOBAL_OFFSET_TABLE_-0b@l
>+#endif
> 	lwz	r3, 52(r1)
> 	mfcr	r5
> 	stw	r7, 28(r1)
>@@ -55,7 +69,7 @@ ENTRY(_mcount)
> 	stw	r9, 36(r1)
> 	stw	r10,40(r1)
> 	stw	r4, 44(r1)
>-	cfi_offset (lr, -4)
>+	cfi_rel_offset (lr, 44)
> 	stw	r5,  8(r1)
> #ifndef SHARED
> 	bl	JUMPTARGET(__mcount_internal)
>@@ -78,6 +92,11 @@ ENTRY(_mcount)
> 	lwz	r9, 36(r1)
> 	lwz	r10,40(r1)
>  /* ...unwind the stack frame, and return to your usual programming.  */
>+#if defined PIC && !defined SHARED
>+	lwz	r30, 48(r1)
>+	addi	r1,r1,64
>+#else
> 	addi	r1,r1,48
>+#endif
> 	bctr
> END(_mcount)

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