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f5bf21a780
Unify symbols in user namespace exported by libc.so and libc.a. * argp/argp-fmtstream.c: Don't define argp_make_fmtstream, argp_fmtstream_free, and argp_fmtstream_printf. * argp/argp-fs-xinl.c: Don't define argp_fmtstream_putc, argp_fmtstream_puts, argp_fmtstream_write, argp_fmtstream_set_lmargin, argp_fmtstream_set_rmargin, argp_fmtstream_set_wmargin, and argp_fmtstream_point. * gmon/gmon.c: Don't define write_profiling. * libio/genops.c: Don't define _cleanup. * intl/explodename.c (_nl_find_language.c): Mark as static. * intl/loadinfo.h: Remove _nl_find_language prototype. * libio/fileops.c (_IO_file_seekoff_maybe_mmap): Mark as static. * libio/libioP.h: Remove declaration. * libio/iopopen.c (_IO_proc_jumps): Mark as static. * libio/libioP.h: Remove declaration. * sysdeps/generic/unwind-dw2.c: Mark __frame_state_for with STATIC. * sysdeps/generic/framestate.c: Define STATIC before including unwind-dw2.c.
114 lines
3.6 KiB
C
114 lines
3.6 KiB
C
/* Copyright (C) 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Franz Sirl <Franz.Sirl-kernel@lauterbach.com>, 2003.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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#ifndef __ASSEMBLER__
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# include <linuxthreads/internals.h>
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#endif
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#if !defined NOT_IN_libc || defined IS_IN_libpthread
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# undef PSEUDO
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# define PSEUDO(name, syscall_name, args) \
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.section ".text"; \
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ENTRY (name) \
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SINGLE_THREAD_P; \
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bne- .Lpseudo_cancel; \
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DO_CALL (SYS_ify (syscall_name)); \
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PSEUDO_RET; \
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.Lpseudo_cancel: \
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stwu 1,-48(1); \
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mflr 9; \
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stw 9,52(1); \
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DOCARGS_##args; /* save syscall args around CENABLE. */ \
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CENABLE; \
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stw 3,16(1); /* store CENABLE return value (MASK). */ \
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UNDOCARGS_##args; /* restore syscall args. */ \
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DO_CALL (SYS_ify (syscall_name)); \
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mfcr 0; /* save CR/R3 around CDISABLE. */ \
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stw 3,8(1); \
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stw 0,12(1); \
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lwz 3,16(1); /* pass MASK to CDISABLE. */ \
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CDISABLE; \
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lwz 4,52(1); \
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lwz 0,12(1); /* restore CR/R3. */ \
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lwz 3,8(1); \
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mtlr 4; \
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mtcr 0; \
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addi 1,1,48;
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# define DOCARGS_0
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# define UNDOCARGS_0
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# define DOCARGS_1 stw 3,20(1); DOCARGS_0
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# define UNDOCARGS_1 lwz 3,20(1); UNDOCARGS_0
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# define DOCARGS_2 stw 4,24(1); DOCARGS_1
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# define UNDOCARGS_2 lwz 4,24(1); UNDOCARGS_1
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# define DOCARGS_3 stw 5,28(1); DOCARGS_2
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# define UNDOCARGS_3 lwz 5,28(1); UNDOCARGS_2
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# define DOCARGS_4 stw 6,32(1); DOCARGS_3
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# define UNDOCARGS_4 lwz 6,32(1); UNDOCARGS_3
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# define DOCARGS_5 stw 7,36(1); DOCARGS_4
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# define UNDOCARGS_5 lwz 7,36(1); UNDOCARGS_4
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# define DOCARGS_6 stw 8,40(1); DOCARGS_5
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# define UNDOCARGS_6 lwz 8,40(1); UNDOCARGS_5
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# ifdef IS_IN_libpthread
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# define CENABLE bl JUMPTARGET(__pthread_enable_asynccancel)
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# define CDISABLE bl JUMPTARGET(__pthread_disable_asynccancel)
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# define __local_multiple_threads __pthread_multiple_threads
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# else
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# define CENABLE bl JUMPTARGET(__libc_enable_asynccancel)
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# define CDISABLE bl JUMPTARGET(__libc_disable_asynccancel)
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# define __local_multiple_threads __libc_multiple_threads
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# endif
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# ifndef __ASSEMBLER__
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extern int __local_multiple_threads attribute_hidden;
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# define SINGLE_THREAD_P __builtin_expect (__local_multiple_threads == 0, 1)
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# else
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# if !defined PIC
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# define SINGLE_THREAD_P \
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lis 10,__local_multiple_threads@ha; \
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lwz 10,__local_multiple_threads@l(10); \
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cmpwi 10,0
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# else
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# define SINGLE_THREAD_P \
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mflr 9; \
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bl _GLOBAL_OFFSET_TABLE_@local-4; \
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mflr 10; \
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mtlr 9; \
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lwz 10,__local_multiple_threads@got(10); \
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lwz 10,0(10); \
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cmpwi 10,0
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# endif
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# endif
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#elif !defined __ASSEMBLER__
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/* This code should never be used but we define it anyhow. */
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# define SINGLE_THREAD_P (1)
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#endif
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