diff options
Diffstat (limited to 'libc/sysdeps/linux/powerpc')
-rw-r--r-- | libc/sysdeps/linux/powerpc/Makefile | 11 | ||||
-rw-r--r-- | libc/sysdeps/linux/powerpc/bits/machine-gmon.h | 31 | ||||
-rw-r--r-- | libc/sysdeps/linux/powerpc/crt0.S | 6 | ||||
-rw-r--r-- | libc/sysdeps/linux/powerpc/mcount.S | 100 |
4 files changed, 2 insertions, 146 deletions
diff --git a/libc/sysdeps/linux/powerpc/Makefile b/libc/sysdeps/linux/powerpc/Makefile index 5365e3f38..93f447137 100644 --- a/libc/sysdeps/linux/powerpc/Makefile +++ b/libc/sysdeps/linux/powerpc/Makefile @@ -21,15 +21,12 @@ include $(TOPDIR)Rules.mak ASFLAGS=$(CFLAGS) CRT0_SRC = crt0.S -CRT0_OBJ = crt0.o crt1.o gcrt1.o +CRT0_OBJ = crt0.o crt1.o CRT0_DEPS=gmon-start.S CTOR_TARGETS=$(TOPDIR)lib/crti.o $(TOPDIR)lib/crtn.o SSRC=__longjmp.S setjmp.S bsd-setjmp.S bsd-_setjmp.S brk.S \ clone.S __uClibc_syscall.S syscall.S -ifeq ($(strip $(UCLIBC_PROFILING)),y) -SSRC+=mcount.S -endif SOBJS=$(patsubst %.S,%.o, $(SSRC)) CSRC=mmap.c vfork.c __syscall_error.c pread_write.c ioctl.c @@ -57,12 +54,6 @@ $(COBJS): %.o : %.c $(CC) $(CFLAGS) -c $< -o $@ $(STRIPTOOL) -x -R .note -R .comment $*.o -ifeq ($(strip $(UCLIBC_PROFILING)),y) -gmon-start.S: ../common/gmon-start.c - $(CC) $(CFLAGS) -c $< -S -o $*.S -gcrt1.o: $(CRT0_DEPS) -endif - ifeq ($(strip $(UCLIBC_CTOR_DTOR)),y) crti.o: crti.S diff --git a/libc/sysdeps/linux/powerpc/bits/machine-gmon.h b/libc/sysdeps/linux/powerpc/bits/machine-gmon.h deleted file mode 100644 index b0f3d8130..000000000 --- a/libc/sysdeps/linux/powerpc/bits/machine-gmon.h +++ /dev/null @@ -1,31 +0,0 @@ -/* PowerPC-specific implementation of profiling support. - Copyright (C) 1997 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -/* We need a special version of the `mcount' function because it has - to preserve more registers than your usual function. */ - -void __mcount_internal (unsigned long frompc, unsigned long selfpc); - -#define _MCOUNT_DECL(frompc, selfpc) \ -void __mcount_internal (unsigned long frompc, unsigned long selfpc) - - -/* Define MCOUNT as empty since we have the implementation in another - file. */ -#define MCOUNT diff --git a/libc/sysdeps/linux/powerpc/crt0.S b/libc/sysdeps/linux/powerpc/crt0.S index c3b903e1e..114ffa093 100644 --- a/libc/sysdeps/linux/powerpc/crt0.S +++ b/libc/sysdeps/linux/powerpc/crt0.S @@ -68,7 +68,7 @@ _start: add r5,r5,r4 /* Ok, now run uClibc's main() -- shouldn't return */ -#if (defined L_crt1 || defined L_gcrt1 ) && defined __UCLIBC_CTOR_DTOR__ +#if (defined L_crt1) && defined __UCLIBC_CTOR_DTOR__ lis r6,_init@ha # load top 16 bits addi r6,r6,_init@l # load bottom 16 bits lis r7,_fini@ha # load top 16 bits of &msg @@ -87,7 +87,3 @@ __data_start: .weak data_start data_start = __data_start -#if defined L_gcrt1 && defined __UCLIBC_PROFILING__ -# include "./gmon-start.S" -#endif - diff --git a/libc/sysdeps/linux/powerpc/mcount.S b/libc/sysdeps/linux/powerpc/mcount.S deleted file mode 100644 index 303a0dd53..000000000 --- a/libc/sysdeps/linux/powerpc/mcount.S +++ /dev/null @@ -1,100 +0,0 @@ -/* PowerPC-specific implementation of profiling support. - Copyright (C) 1997, 1999 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <features.h> -#include "ppc_asm.h" - -/* This would be bad. */ -#ifdef PROF -#undef PROF -#endif - - -/* We do profiling as described in the SYSV ELF ABI, _mcount is called - with the address of a data word in r0 (that is different for every - routine, initialised to 0, and otherwise unused). The caller has put - the address the caller will return to in the usual place on the stack, - 4(r1). _mcount is responsible for ensuring that when it returns no - argument-passing registers are disturbed, and that the LR is set back - to (what the caller sees as) 4(r1). - - This is intended so that the following code can be inserted at the - front of any routine without changing the routine: - - .data - .align 2 - 0: .long 0 - .previous - mflr r0 - lis r11,0b@ha - stw r0,4(r1) - addi r0,r11,0b@l - bl _mcount -*/ - - -.globl _mcount; -.type _mcount, @function; -.align 2; - -_mcount: - stwu r1,-48(r1) -/* 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 - lwz r3, 52(r1) - mfcr r5 - stw r7, 28(r1) - stw r8, 32(r1) - stw r9, 36(r1) - stw r10,40(r1) - stw r4, 44(r1) - stw r5, 8(r1) -#ifdef __PIC__ - bl __mcount_internal@plt -#else - bl __mcount_internal -#endif - nop - /* Restore the registers... */ - lwz r6, 8(r1) - lwz r0, 44(r1) - lwz r3, 12(r1) - mtctr r0 - lwz r4, 16(r1) - mtcrf 0xff,r6 - lwz r5, 20(r1) - lwz r6, 24(r1) - lwz r0, 52(r1) - lwz r7, 28(r1) - lwz r8, 32(r1) - mtlr r0 - lwz r9, 36(r1) - lwz r10,40(r1) - /* ...unwind the stack frame, and return to your usual programming. */ - addi r1,r1,48 - bctr - .size _mcount,.-_mcount; - -#undef mcount -.weak mcount ; mcount = _mcount - |