| 1 | /* Copyright (C) 1996-2022 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 | |
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| 20 | |
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| 21 | /* The following code is only used in the shared library when we |
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| 22 | compile the reentrant version. Otherwise each system call defines |
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| 23 | each own version. */ |
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| 24 | |
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| 25 | #ifndef PIC |
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| 26 | |
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| 27 | /* The syscall stubs jump here when they detect an error. */ |
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| 28 | |
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| 29 | #undef CALL_MCOUNT |
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| 30 | #define CALL_MCOUNT /* Don't insert the profiling call, it clobbers %d0. */ |
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| 31 | |
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| 32 | .text |
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| 33 | ENTRY (__syscall_error) |
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| 34 | neg.l %d0 |
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| 35 | #ifndef _LIBC_REENTRANT |
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| 36 | move.l %d0, errno |
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| 37 | #else |
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| 38 | move.l %d0, -(%sp) |
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| 39 | cfi_adjust_cfa_offset (4) |
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| 40 | jbsr __errno_location |
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| 41 | move.l (%sp)+, (%a0) |
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| 42 | cfi_adjust_cfa_offset (-4) |
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| 43 | #endif |
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| 44 | move.l #-1, %d0 |
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| 45 | /* Copy return value to %a0 for syscalls that are declared to |
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| 46 | return a pointer. */ |
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| 47 | move.l %d0, %a0 |
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| 48 | rts |
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| 49 | END (__syscall_error) |
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| 50 | #endif /* PIC */ |
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| 51 | |
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