2011-09-01 20:41:27 +00:00
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/* Copyright (C) 2011 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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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2012-02-09 23:18:22 +00:00
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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2011-09-01 20:41:27 +00:00
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/* Bits present in AT_HWCAP on SPARC. */
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#define HWCAP_SPARC_FLUSH 0x00000001
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#define HWCAP_SPARC_STBAR 0x00000002
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#define HWCAP_SPARC_SWAP 0x00000004
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#define HWCAP_SPARC_MULDIV 0x00000008
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#define HWCAP_SPARC_V9 0x00000010
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#define HWCAP_SPARC_ULTRA3 0x00000020
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#define HWCAP_SPARC_BLKINIT 0x00000040
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#define HWCAP_SPARC_N2 0x00000080
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#define HWCAP_SPARC_MUL32 0x00000100
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#define HWCAP_SPARC_DIV32 0x00000200
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#define HWCAP_SPARC_FSMULD 0x00000400
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#define HWCAP_SPARC_V8PLUS 0x00000800
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#define HWCAP_SPARC_POPC 0x00001000
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#define HWCAP_SPARC_VIS 0x00002000
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#define HWCAP_SPARC_VIS2 0x00004000
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#define HWCAP_SPARC_ASI_BLK_INIT 0x00008000
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#define HWCAP_SPARC_FMAF 0x00010000
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#define HWCAP_SPARC_VIS3 0x00020000
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#define HWCAP_SPARC_HPC 0x00040000
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#define HWCAP_SPARC_RANDOM 0x00080000
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#define HWCAP_SPARC_TRANS 0x00100000
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#define HWCAP_SPARC_FJFMAU 0x00200000
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#define HWCAP_SPARC_IMA 0x00400000
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#define HWCAP_SPARC_ASI_CACHE_SPARING \
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0x00800000
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Delete everything under sysdeps/unix/sparc/
* sysdeps/unix/sparc/brk.S: Delete.
* sysdeps/unix/sparc/dl-brk.S: Delete.
* sysdeps/unix/sparc/pipe.S: Delete.
* sysdeps/unix/sparc/sysdep.S: Delete.
* sysdeps/unix/sparc/sysdep.h: Delete.
* sysdeps/unix/sparc/vfork.S: Delete.
* sysdeps/sparc/sysdep.h (SPARC_PIC_THUNK, SPARC_PIC_REG,
SPARC_PIC_REG_LEAF, ENTRY, END, LOC): Define.
* sysdeps/unix/sysv/linux/sparc/sysdep.h (ret, ret_NOERRNO,
ret_ERRVAL, r0, r1, MOVE): Define.
(JUMPTARGET): Remove.
* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h: Don't include
sysdeps/unix/sparc/sysdep.h
(ENTRY, END): Remove.
* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h: Likewise.
2012-04-25 18:44:02 +00:00
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#ifdef __ASSEMBLER__
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#define SPARC_PIC_THUNK(reg) \
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.ifndef __sparc_get_pc_thunk.reg; \
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.section .text.__sparc_get_pc_thunk.reg,"axG",@progbits,__sparc_get_pc_thunk.reg,comdat; \
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.align 32; \
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.weak __sparc_get_pc_thunk.reg; \
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.hidden __sparc_get_pc_thunk.reg; \
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.type __sparc_get_pc_thunk.reg, #function; \
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__sparc_get_pc_thunk.reg: \
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jmp %o7 + 8; \
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add %o7, %reg, %##reg; \
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.previous; \
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.endif;
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/* Even when v9 we use a call sequence instead of using "rd %pc" because
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RDPC is extremely expensive and incurs a full pipeline flush. */
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#define SETUP_PIC_REG(reg) \
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SPARC_PIC_THUNK(reg) \
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sethi %hi(_GLOBAL_OFFSET_TABLE_-4), %##reg; \
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call __sparc_get_pc_thunk.reg; \
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or %##reg, %lo(_GLOBAL_OFFSET_TABLE_+4), %##reg;
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#define SETUP_PIC_REG_LEAF(reg, tmp) \
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SPARC_PIC_THUNK(reg) \
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sethi %hi(_GLOBAL_OFFSET_TABLE_-4), %##reg; \
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mov %o7, %##tmp; \
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call __sparc_get_pc_thunk.reg; \
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or %##reg, %lo(_GLOBAL_OFFSET_TABLE_+4), %##reg; \
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mov %##tmp, %o7;
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#undef ENTRY
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#define ENTRY(name) \
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.align 4; \
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.global C_SYMBOL_NAME(name); \
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.type name, @function; \
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C_LABEL(name) \
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cfi_startproc;
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#undef END
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#define END(name) \
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cfi_endproc; \
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.size name, . - name
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#undef LOC
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#define LOC(name) .L##name
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#endif /* __ASSEMBLER__ */
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