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| 1 | /* Copyright (C) 1994-2022 Free Software Foundation, Inc. |
|---|---|
| 2 | This file is part of the GNU C Library. |
| 3 | |
| 4 | The GNU C Library is free software; you can redistribute it and/or |
| 5 | modify it under the terms of the GNU Lesser General Public |
| 6 | License as published by the Free Software Foundation; either |
| 7 | version 2.1 of the License, or (at your option) any later version. |
| 8 | |
| 9 | The GNU C Library is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | Lesser General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library; if not, see |
| 16 | <https://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #ifdef __ASSEMBLER__ |
| 19 | |
| 20 | /* Get the Mach definitions of ENTRY and kernel_trap. */ |
| 21 | #include <mach/machine/syscall_sw.h> |
| 22 | |
| 23 | /* The Mach definitions assume underscores should be prepended to |
| 24 | symbol names. Redefine them to do so only when appropriate. */ |
| 25 | #undef EXT |
| 26 | #undef LEXT |
| 27 | #define EXT(x) C_SYMBOL_NAME(x) |
| 28 | #define LEXT(x) C_SYMBOL_NAME(x##:) |
| 29 | |
| 30 | /* For ELF we need to add the `.type' directive to make shared libraries |
| 31 | work right. */ |
| 32 | #undef ENTRY |
| 33 | #define ENTRY(name) \ |
| 34 | .globl name; \ |
| 35 | .align ALIGN; \ |
| 36 | .type name,@function; \ |
| 37 | name: |
| 38 | |
| 39 | #endif |
| 40 | |
| 41 | /* This is invoked by things run when there is random lossage, before they |
| 42 | try to do anything else. Just to be safe, deallocate the reply port so |
| 43 | bogons arriving on it don't foul up future RPCs. */ |
| 44 | |
| 45 | #ifndef __ASSEMBLER__ |
| 46 | #define FATAL_PREPARE_INCLUDE <mach/mig_support.h> |
| 47 | #define FATAL_PREPARE __mig_dealloc_reply_port (MACH_PORT_NULL) |
| 48 | #endif |
| 49 | |
| 50 | /* sysdeps/mach/MACHINE/sysdep.h should define the following macros. */ |
| 51 | |
| 52 | /* Produce a text assembler label for the C global symbol NAME. */ |
| 53 | #ifndef ENTRY |
| 54 | #define ENTRY(name) .error ENTRY not defined by sysdeps/mach/MACHINE/sysdep.h |
| 55 | /* This is not used on all machines. */ |
| 56 | #endif |
| 57 | |
| 58 | /* Set variables ARGC, ARGV, and ENVP for the arguments |
| 59 | left on the stack by the microkernel. */ |
| 60 | #ifndef SNARF_ARGS |
| 61 | #define SNARF_ARGS(argc, argv, envp) |
| 62 | #error SNARF_ARGS not defined by sysdeps/mach/MACHINE/sysdep.h |
| 63 | #endif |
| 64 | |
| 65 | /* LOSE can be defined as the `halt' instruction or something |
| 66 | similar which will cause the process to die in a characteristic |
| 67 | way suggesting a bug. */ |
| 68 | #ifndef LOSE |
| 69 | #define LOSE ({ volatile int zero = 0; zero / zero; }) |
| 70 | #endif |
| 71 | |
| 72 | /* One of these should be defined to specify the stack direction. */ |
| 73 | #if !defined (STACK_GROWTH_UP) && !defined (STACK_GROWTH_DOWN) |
| 74 | #error stack direction unspecified |
| 75 | #endif |
| 76 | |
| 77 | /* Used by some assembly code. */ |
| 78 | #define C_SYMBOL_NAME(name) name |
| 79 |
Warning: That file was not part of the compilation database. It may have many parsing errors.