diff options
Diffstat (limited to 'linuxthreads/sysdeps/unix/sysv/linux')
| -rw-r--r-- | linuxthreads/sysdeps/unix/sysv/linux/ia64/pt-initfini.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/ia64/pt-initfini.c b/linuxthreads/sysdeps/unix/sysv/linux/ia64/pt-initfini.c new file mode 100644 index 0000000000..766d4815fc --- /dev/null +++ b/linuxthreads/sysdeps/unix/sysv/linux/ia64/pt-initfini.c @@ -0,0 +1,117 @@ +/* Special .init and .fini section support for ia64. LinuxThreads version. + Copyright (C) 2000, 2001 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 Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + In addition to the permissions in the GNU Library General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file with other + programs, and to distribute those programs without any restriction + coming from the use of this file. (The Library General Public + License restrictions do apply in other respects; for example, they + cover modification of the file, and distribution when not linked + into another program.) + + 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 Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* This file is compiled into assembly code which is then munged by a sed + script into two files: crti.s and crtn.s. + + * crti.s puts a function prologue at the beginning of the + .init and .fini sections and defines global symbols for + those addresses, so they can be called as functions. + + * crtn.s puts the corresponding function epilogues + in the .init and .fini sections. */ + +__asm__ (" + +#include \"defs.h\" + +/*@HEADER_ENDS*/ + +/*@_init_PROLOG_BEGINS*/ + .section .init + .align 16 + .global _init# + .proc _init# +_init: + alloc r34 = ar.pfs, 0, 3, 0, 0 + mov r32 = r12 + mov r33 = b0 + adds r12 = -16, r12 + addl r14 = @ltoff(@fptr(__gmon_start__#)), gp + ;; + ld8 r15 = [r14] +/* we could use r35 to save gp, but we use the stack since that's what + * all the other init routines will do --davidm 00/04/05 */ + st8 [r12] = gp, -16 + br.call.sptk.many b0 = __pthread_initialize_minimal# ;; + ;; + cmp.eq p6, p7 = 0, r15 + (p6) br.cond.dptk .L5 + + br.call.sptk.many b0 = __gmon_start__# ;; + adds r12 = 16, r12 + ;; +.L5: + ld8 gp = [r12] + ;; + .align 16 + .endp _init# + +/*@_init_PROLOG_ENDS*/ + +/*@_init_EPILOG_BEGINS*/ + .section .init + .regstk 0,2,0,0 + mov r12 = r32 + mov ar.pfs = r34 + mov b0 = r33 + br.ret.sptk.many b0 + .endp _init# +/*@_init_EPILOG_ENDS*/ + +/*@_fini_PROLOG_BEGINS*/ + .section .fini + .align 16 + .global _fini# + .proc _fini# +_fini: + alloc r34 = ar.pfs, 0, 3, 0, 0 + mov r32 = r12 + mov r33 = b0 + adds r12 = -16, r12 + ;; + .align 16 + .endp _fini# + +/*@_fini_PROLOG_ENDS*/ + br.call.sptk.many b0 = i_am_not_a_leaf# ;; + ;; + +/*@_fini_EPILOG_BEGINS*/ + .section .fini + mov r12 = r32 + mov ar.pfs = r34 + mov b0 = r33 + br.ret.sptk.many b0 + .endp _fini# + +/*@_fini_EPILOG_ENDS*/ + +/*@TRAILER_BEGINS*/ + .weak __gmon_start__# +"); |