diff options
Diffstat (limited to 'sysdeps/alpha/bb_init_func.S')
| -rw-r--r-- | sysdeps/alpha/bb_init_func.S | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/sysdeps/alpha/bb_init_func.S b/sysdeps/alpha/bb_init_func.S deleted file mode 100644 index f711c8cb74..0000000000 --- a/sysdeps/alpha/bb_init_func.S +++ /dev/null @@ -1,87 +0,0 @@ -/* Copyright (C) 1996, 1997 Free Software Foundation, Inc. - Contributed by David Mosberger (davidm@cs.arizona.edu). - 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. */ - -/* __bb_init_func is invoked at the beginning of each function, before - any registers have been saved. It is therefore safe to use any - caller-saved (call-used) registers (except for argument registers - a1-a5). */ - -#include <sysdep.h> - -/* - * These offsets should match with "struct bb" declared in gcc/libgcc2.c. - */ -#define ZERO_WORD 0x00 -#define NEXT 0x20 - - .set noat - .set noreorder - -ENTRY(__bb_init_func) - .prologue 0 - - ldq t0, ZERO_WORD(a0) /* t0 <- blocks->zero_word */ - beq t0, init /* not initialized yet -> */ - ret - -END(__bb_init_func) - - .ent init -init: - .frame sp, 0x38, ra, 0 - subq sp, 0x38, sp - .prologue 0 - - stq pv, 0x30(sp) - br pv, 1f -1: ldgp gp, 0(pv) - - ldiq t1, __bb_head - lda t3, _gmonparam - ldq t2, 0(t1) - ldl t3, 0(t3) /* t3 = _gmonparam.state */ - lda t0, 1 - stq t0, ZERO_WORD(a0) /* blocks->zero_word = 1 */ - stq t2, NEXT(a0) /* blocks->next = __bb_head */ - stq a0, 0(t1) - bne t2, $leave - beq t3, $leave /* t3 == GMON_PROF_ON? yes -> */ - - /* also need to initialize destructor: */ - stq ra, 0x00(sp) - lda a0, __bb_exit_func - stq a1, 0x08(sp) - lda pv, atexit - stq a2, 0x10(sp) - stq a3, 0x18(sp) - stq a4, 0x20(sp) - stq a5, 0x28(sp) - jsr ra, (pv), atexit - ldq ra, 0x00(sp) - ldq a1, 0x08(sp) - ldq a2, 0x10(sp) - ldq a3, 0x18(sp) - ldq a4, 0x20(sp) - ldq a5, 0x28(sp) - -$leave: ldq pv, 0x30(sp) - addq sp, 0x38, sp - ret - - .end init |