Warning: That file was not part of the compilation database. It may have many parsing errors.
| 1 | /* Assembler macro definitions. OpenRISC version. |
|---|---|
| 2 | Copyright (C) 2022 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library. If not, see |
| 17 | <https://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <sysdeps/generic/sysdep.h> |
| 20 | #include <features.h> |
| 21 | |
| 22 | #if defined __ASSEMBLER__ || defined REQUEST_ASSEMBLER_MACROS |
| 23 | |
| 24 | /* Make use of .size directive. */ |
| 25 | #define ASM_SIZE_DIRECTIVE(name) .size name,.-name; |
| 26 | |
| 27 | /* Define an entry point visible from C. */ |
| 28 | #define ENTRY(name) \ |
| 29 | .globl C_SYMBOL_NAME(name); \ |
| 30 | .type C_SYMBOL_NAME(name),@function; \ |
| 31 | .align 4; \ |
| 32 | C_LABEL(name) \ |
| 33 | cfi_startproc; \ |
| 34 | CALL_MCOUNT |
| 35 | |
| 36 | #undef END |
| 37 | #define END(name) \ |
| 38 | cfi_endproc; \ |
| 39 | ASM_SIZE_DIRECTIVE(name) |
| 40 | |
| 41 | /* Since C identifiers are not normally prefixed with an underscore |
| 42 | on this system, the asm identifier `syscall_error' intrudes on the |
| 43 | C name space. Make sure we use an innocuous name. */ |
| 44 | #define syscall_error __syscall_error |
| 45 | |
| 46 | /* If compiled for profiling, call `mcount' at the start of each function. */ |
| 47 | #ifdef PROF |
| 48 | # ifdef __PIC__ |
| 49 | # define CALL_MCOUNT \ |
| 50 | l.addi r1, r1, -8; \ |
| 51 | l.sw 0(r1), r9; \ |
| 52 | l.sw 4(r1), r3; \ |
| 53 | l.ori r3, r9, 0; \ |
| 54 | l.j plt(_mcount); \ |
| 55 | l.nop; \ |
| 56 | l.lwz r9, 0(r1); \ |
| 57 | l.lwz r3, 4(r1); \ |
| 58 | l.addi r1, r1, 8; |
| 59 | # else |
| 60 | # define CALL_MCOUNT \ |
| 61 | l.addi r1, r1, -8; \ |
| 62 | l.sw 0(r1), r9; \ |
| 63 | l.sw 4(r1), r3; \ |
| 64 | l.ori r3, r9, 0; \ |
| 65 | l.movhi r15, hi(_mcount); \ |
| 66 | l.ori r15, r15, lo(_mcount); \ |
| 67 | l.jr r15; \ |
| 68 | l.nop; \ |
| 69 | l.lwz r9, 0(r1); \ |
| 70 | l.lwz r3, 4(r1); \ |
| 71 | l.addi r1, r1, 8; |
| 72 | # endif |
| 73 | #else |
| 74 | # define CALL_MCOUNT /* Do nothing. */ |
| 75 | #endif |
| 76 | |
| 77 | /* Local label name for asm code. */ |
| 78 | #define L(name) .L##name |
| 79 | |
| 80 | #endif /* __ASSEMBLER__ */ |
| 81 |
Warning: That file was not part of the compilation database. It may have many parsing errors.