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105 lines
2.6 KiB
ArmAsm
105 lines
2.6 KiB
ArmAsm
/* Thread-local storage handling in the ELF dynamic linker.
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LoongArch version.
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Copyright (C) 2024 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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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#include <tls.h>
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#include "tlsdesc.h"
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.text
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/* Compute the thread pointer offset for symbols in the static
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TLS block. The offset is the same for all threads.
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Prototype:
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_dl_tlsdesc_return (tlsdesc *); */
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.hidden _dl_tlsdesc_return
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.global _dl_tlsdesc_return
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.type _dl_tlsdesc_return,%function
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cfi_startproc
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.align 2
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_dl_tlsdesc_return:
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REG_L a0, a0, 8
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RET
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cfi_endproc
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.size _dl_tlsdesc_return, .-_dl_tlsdesc_return
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/* Handler for undefined weak TLS symbols.
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Prototype:
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_dl_tlsdesc_undefweak (tlsdesc *);
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The second word of the descriptor contains the addend.
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Return the addend minus the thread pointer. This ensures
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that when the caller adds on the thread pointer it gets back
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the addend. */
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.hidden _dl_tlsdesc_undefweak
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.global _dl_tlsdesc_undefweak
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.type _dl_tlsdesc_undefweak,%function
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cfi_startproc
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.align 2
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_dl_tlsdesc_undefweak:
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REG_L a0, a0, 8
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sub.d a0, a0, tp
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RET
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cfi_endproc
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.size _dl_tlsdesc_undefweak, .-_dl_tlsdesc_undefweak
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#ifdef SHARED
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#ifndef __loongarch_soft_float
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#define USE_LASX
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#define _dl_tlsdesc_dynamic _dl_tlsdesc_dynamic_lasx
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#define Lret Lret_lasx
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#define Lslow Lslow_lasx
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#include "dl-tlsdesc-dynamic.h"
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#undef FRAME_SIZE
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#undef V_REG_S
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#undef V_REG_L
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#undef V_SPACE
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#undef V_REG
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#undef V_REGS
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#undef V_REGSZ
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#undef USE_LASX
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#undef _dl_tlsdesc_dynamic
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#undef Lret
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#undef Lslow
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#define USE_LSX
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#define _dl_tlsdesc_dynamic _dl_tlsdesc_dynamic_lsx
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#define Lret Lret_lsx
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#define Lslow Lslow_lsx
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#include "dl-tlsdesc-dynamic.h"
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#undef FRAME_SIZE
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#undef V_REG_S
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#undef V_REG_L
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#undef V_SPACE
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#undef V_REG
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#undef V_REGS
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#undef V_REGSZ
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#undef USE_LSX
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#undef _dl_tlsdesc_dynamic
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#undef Lret
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#undef Lslow
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#endif /* #ifndef __loongarch_soft_float */
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#include "dl-tlsdesc-dynamic.h"
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#endif /* #ifdef SHARED */
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