| /* ----------------------------------------------------------------------- * |
| * |
| * Copyright 1996-2018 The NASM Authors - All Rights Reserved |
| * See the file AUTHORS included with the NASM distribution for |
| * the specific copyright holders. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
| * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
| * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| * ----------------------------------------------------------------------- */ |
| |
| /* |
| * labels.h header file for labels.c |
| */ |
| |
| #ifndef LABELS_H |
| #define LABELS_H |
| |
| #include "compiler.h" |
| |
| enum mangle_index { |
| LM_LPREFIX, /* Local variable prefix */ |
| LM_LSUFFIX, /* Local variable suffix */ |
| LM_GPREFIX, /* Global variable prefix */ |
| LM_GSUFFIX /* GLobal variable suffix */ |
| }; |
| |
| enum label_type { |
| LBL_LOCAL, /* Must be zero */ |
| LBL_GLOBAL, |
| LBL_STATIC, |
| LBL_EXTERN, |
| LBL_COMMON, |
| LBL_SPECIAL, /* Magic symbols like ..start */ |
| LBL_BACKEND /* Backend-defined symbols like ..got */ |
| }; |
| |
| bool lookup_label(const char *label, int32_t *segment, int64_t *offset); |
| bool is_extern(const char *label); |
| void define_label(const char *label, int32_t segment, int64_t offset, |
| bool normal); |
| void backend_label(const char *label, int32_t segment, int64_t offset); |
| bool declare_label(const char *label, enum label_type type, |
| const char *special); |
| void set_label_mangle(enum mangle_index which, const char *what); |
| int init_labels(void); |
| void cleanup_labels(void); |
| const char *local_scope(const char *label); |
| |
| extern uint64_t global_offset_changed; |
| |
| #endif /* LABELS_H */ |
