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2001-06-19  Andreas Jaeger  <aj@suse.de>

	* sysdeps/powerpc/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
	Handle profiling.
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Andreas Jaeger 2001-06-29 17:51:27 +00:00
parent 2995f70ed7
commit 33e25d26e7
2 changed files with 59 additions and 0 deletions
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@ -1,3 +1,8 @@
2001-06-19 Andreas Jaeger <aj@suse.de>
* sysdeps/powerpc/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
Handle profiling.
2001-06-29 Andreas Jaeger <aj@suse.de>
* sysdeps/ieee754/ldbl-128/s_asinhl.c: New file.

54
sysdeps/powerpc/dl-machine.h
View File

@ -102,6 +102,7 @@ elf_machine_load_address (void)
/* This code is used in dl-runtime.c to call the `fixup' function
and then redirect to the address it returns. It is called
from code built in the PLT by elf_machine_runtime_setup. */
#if !defined PROF
#define ELF_MACHINE_RUNTIME_TRAMPOLINE asm ("\n\
.section \".text\" \n\
.align 2 \n\
@ -198,6 +199,59 @@ _dl_prof_resolve: \n\
# Undo '.section text'.\n\
.previous \n\
");
#else
# define ELF_MACHINE_RUNTIME_TRAMPOLINE asm ("\n\
.section \".text\" \n\
.align 2 \n\
.globl _dl_runtime_resolve \n\
.globl _dl_prof_resolve \n\
.type _dl_runtime_resolve,@function \n\
.type _dl_prof_resolve,@function \n\
_dl_runtime_resolve: \n\
_dl_prof_resolve: \n\
# We need to save the registers used to pass parameters, and register 0,\n\
# which is used by _mcount; the registers are saved in a stack frame.\n\
stwu 1,-64(1) \n\
stw 0,12(1) \n\
stw 3,16(1) \n\
stw 4,20(1) \n\
# The code that calls this has put parameters for `fixup' in r12 and r11.\n\
mr 3,12 \n\
stw 5,24(1) \n\
mr 4,11 \n\
stw 6,28(1) \n\
mflr 0 \n\
# We also need to save some of the condition register fields.\n\
stw 7,32(1) \n\
stw 0,48(1) \n\
stw 8,36(1) \n\
mfcr 0 \n\
stw 9,40(1) \n\
stw 10,44(1) \n\
stw 0,8(1) \n\
bl fixup@local \n\
# 'fixup' returns the address we want to branch to.\n\
mtctr 3 \n\
# Put the registers back...\n\
lwz 0,48(1) \n\
lwz 10,44(1) \n\
lwz 9,40(1) \n\
mtlr 0 \n\
lwz 8,36(1) \n\
lwz 0,8(1) \n\
lwz 7,32(1) \n\
lwz 6,28(1) \n\
mtcrf 0xFF,0 \n\
lwz 5,24(1) \n\
lwz 4,20(1) \n\
lwz 3,16(1) \n\
lwz 0,12(1) \n\
# ...unwind the stack frame, and jump to the PLT entry we updated.\n\
addi 1,1,64 \n\
bctr \n\
.size _dl_runtime_resolve,.-_dl_runtime_resolve \n\
");
#endif
/* The actual _start code is in dl-start.S. Use a really
ugly bit of assembler to let dl-start.o see _dl_start. */