| /* Copyright 2001-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Alexandre Oliva <aoliva@redhat.com>. |
| Based on ../i386/sysdep.h. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public License as |
| published by the Free Software Foundation; either version 2 of the |
| License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Library General Public License for more details. |
| |
| You should have received a copy of the GNU Library General Public |
| License along with the GNU C Library. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <sysdeps/generic/sysdep.h> |
| |
| #ifdef __ASSEMBLER__ |
| |
| /* Syntactic details of assembler. */ |
| |
| #ifdef HAVE_ELF |
| /* For ELF we need the `.type' directive to make shared libs work right. */ |
| #define ASM_TYPE_DIRECTIVE(name,typearg) .type name,typearg; |
| #define ASM_SIZE_DIRECTIVE(name) .size name,.-name; |
| |
| /* In ELF C symbols are asm symbols. */ |
| #undef NO_UNDERSCORES |
| #define NO_UNDERSCORES |
| #else |
| #define ASM_TYPE_DIRECTIVE(name,type) /* Nothing is specified. */ |
| #define ASM_SIZE_DIRECTIVE(name) /* Nothing is specified. */ |
| #endif |
| |
| /* Define an entry point visible from C. */ |
| #define ENTRY(name) \ |
| ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name); \ |
| ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \ |
| C_LABEL(name) \ |
| CALL_MCOUNT |
| |
| #undef END |
| #define END(name) \ |
| ASM_SIZE_DIRECTIVE(name) \ |
| |
| /* If compiled for profiling, call `mcount' at the start of each function. */ |
| #ifdef PROF |
| /* The mcount code relies on a normal frame pointer being on the stack |
| to locate our caller, so push one just for its benefit. */ |
| #define CALL_MCOUNT \ |
| movm [a3],(sp); mov sp,a3; add -12,sp; \ |
| call JUMPTARGET(mcount),[],0; add 12,sp; movm (sp),[a3]; |
| #else |
| #define CALL_MCOUNT /* Do nothing. */ |
| #endif |
| |
| #ifdef NO_UNDERSCORES |
| /* Since C identifiers are not normally prefixed with an underscore |
| on this system, the asm identifier `syscall_error' intrudes on the |
| C name space. Make sure we use an innocuous name. */ |
| #define syscall_error __syscall_error |
| #define mcount _mcount |
| #endif |
| |
| #undef JUMPTARGET |
| #ifdef PIC |
| #define JUMPTARGET(name) name##@PLT |
| #else |
| #define JUMPTARGET(name) name |
| #endif |
| |
| /* Local label name for asm code. */ |
| #ifndef L |
| #define L(name) name |
| #endif |
| |
| #endif /* __ASSEMBLER__ */ |
