| 1 | /* Copyright (C) 2004-2024 Free Software Foundation, Inc. |
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| 2 | This file is part of the GNU C Library. |
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| 3 | |
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| 4 | The GNU C Library is free software; you can redistribute it and/or |
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| 5 | modify it under the terms of the GNU Lesser General Public |
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| 6 | License as published by the Free Software Foundation; either |
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| 7 | version 2.1 of the License, or (at your option) any later version. |
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| 8 | |
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| 9 | The GNU C Library is distributed in the hope that it will be useful, |
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | Lesser General Public License for more details. |
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| 13 | |
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| 14 | You should have received a copy of the GNU Lesser General Public |
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| 15 | License along with the GNU C Library. If not, see |
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| 16 | <https://www.gnu.org/licenses/>. */ |
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| 17 | |
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| 18 | #include <sysdep.h> |
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| 19 | #include "kernel_sysinfo.h" |
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| 20 | |
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| 21 | |
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| 22 | .text |
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| 23 | |
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| 24 | ENTRY(__feraiseexcept) |
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| 25 | cfi_startproc |
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| 26 | PSEUDO_PROLOGUE |
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| 27 | |
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| 28 | lda sp, -16(sp) |
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| 29 | cfi_adjust_cfa_offset(16) |
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| 30 | |
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| 31 | ldi v0, __NR_osf_setsysinfo |
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| 32 | stq a0, 0(sp) |
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| 33 | mov sp, a1 |
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| 34 | ldi a0, SSI_IEEE_RAISE_EXCEPTION |
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| 35 | call_pal PAL_callsys |
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| 36 | |
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| 37 | lda sp, 16(sp) |
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| 38 | cfi_adjust_cfa_offset(-16) |
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| 39 | |
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| 40 | /* Here in libm we can't use SYSCALL_ERROR_LABEL. Nor is it clear |
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| 41 | that we'd want to set errno anyway. All we're required to do is |
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| 42 | return non-zero on error. Which is exactly A3. */ |
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| 43 | mov a3, v0 |
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| 44 | ret |
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| 45 | |
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| 46 | END(__feraiseexcept) |
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| 47 | cfi_endproc |
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| 48 | |
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| 49 | #if IS_IN (libm) |
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| 50 | # include <shlib-compat.h> |
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| 51 | # if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) |
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| 52 | strong_alias (__feraiseexcept, __old_feraiseexcept) |
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| 53 | compat_symbol (libm, __old_feraiseexcept, feraiseexcept, GLIBC_2_1); |
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| 54 | # endif |
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| 55 | libm_hidden_def (__feraiseexcept) |
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| 56 | libm_hidden_ver (__feraiseexcept, feraiseexcept) |
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| 57 | versioned_symbol (libm, __feraiseexcept, feraiseexcept, GLIBC_2_2); |
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| 58 | #endif |
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| 59 | |
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