Date: Sat, 20 Mar 2010 20:58:09 +0000 (UTC) From: Nathan Whitehorn <nwhitehorn@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r205392 - in projects/ppc64: contrib/gcc/config/rs6000 sys/powerpc/include Message-ID: <201003202058.o2KKw9K0086150@svn.freebsd.org>
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Author: nwhitehorn Date: Sat Mar 20 20:58:08 2010 New Revision: 205392 URL: http://svn.freebsd.org/changeset/base/205392 Log: Support profiling on powerpc64. The only remaining thing on the todo list is DMA bounce buffers. Modified: projects/ppc64/contrib/gcc/config/rs6000/freebsd.h projects/ppc64/sys/powerpc/include/profile.h Modified: projects/ppc64/contrib/gcc/config/rs6000/freebsd.h ============================================================================== --- projects/ppc64/contrib/gcc/config/rs6000/freebsd.h Sat Mar 20 19:47:30 2010 (r205391) +++ projects/ppc64/contrib/gcc/config/rs6000/freebsd.h Sat Mar 20 20:58:08 2010 (r205392) @@ -237,3 +237,9 @@ are compatible. */ #define OS_MISSING_POWERPC64 !TARGET_64BIT +/* Function profiling bits */ +#undef RS6000_MCOUNT +#define RS6000_MCOUNT ((TARGET_64BIT) ? "._mcount" : "_mcount") +#define PROFILE_HOOK(LABEL) \ + do { if (TARGET_64BIT) output_profile_hook (LABEL); } while (0) + Modified: projects/ppc64/sys/powerpc/include/profile.h ============================================================================== --- projects/ppc64/sys/powerpc/include/profile.h Sat Mar 20 19:47:30 2010 (r205391) +++ projects/ppc64/sys/powerpc/include/profile.h Sat Mar 20 20:58:08 2010 (r205392) @@ -76,10 +76,47 @@ typedef __ptrdiff_t fptrdiff_t; */ #ifdef __powerpc64__ -/* XXX not implemented */ - -#define MCOUNT int _mcount(void) {return (0);} - +#define MCOUNT \ +__asm( " .text \n" \ + " .align 2 \n" \ + " .globl _mcount \n" \ + " .section \".opd\",\"aw\" \n" \ + " .align 3 \n" \ + "_mcount: \n" \ + " .quad ._mcount,.TOC.@tocbase,0 \n" \ + " .previous \n" \ + " .align 4 \n" \ + " .globl ._mcount \n" \ + " .type ._mcount,@function \n" \ + "._mcount: \n" \ + " stdu %r1,-(288+120)(%r1) \n" \ + " std %r3,48(%r1) \n" \ + " std %r4,56(%r1) \n" \ + " std %r5,64(%r1) \n" \ + " std %r6,72(%r1) \n" \ + " std %r7,80(%r1) \n" \ + " std %r8,88(%r1) \n" \ + " std %r9,96(%r1) \n" \ + " std %r10,104(%r1) \n" \ + " mflr %r4 \n" \ + " std %r4,112(%r1) \n" \ + " ld %r3,0(%r1) \n" \ + " ld %r3,0(%r3) \n" \ + " ld %r3,16(%r3) \n" \ + " bl .__mcount \n" \ + " nop \n" \ + " ld %r4,112(%r1) \n" \ + " mtlr %r4 \n" \ + " ld %r3,48(%r1) \n" \ + " ld %r4,56(%r1) \n" \ + " ld %r5,64(%r1) \n" \ + " ld %r6,72(%r1) \n" \ + " ld %r7,80(%r1) \n" \ + " ld %r8,88(%r1) \n" \ + " ld %r9,96(%r1) \n" \ + " ld %r10,104(%r1) \n" \ + " addi %r1,%r1,(288+120) \n" \ + " blr \n"); #else #ifdef PIC
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