diff options
author | polwex <polwex@sortug.com> | 2025-10-05 21:56:51 +0700 |
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committer | polwex <polwex@sortug.com> | 2025-10-05 21:56:51 +0700 |
commit | fcedfddf00b3f994e4f4e40332ac7fc192c63244 (patch) | |
tree | 51d38e62c7bdfcc5f9a5e9435fe820c93cfc9a3d /vere/ext/nasm/include/labels.h |
claude is gud
Diffstat (limited to 'vere/ext/nasm/include/labels.h')
-rw-r--r-- | vere/ext/nasm/include/labels.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/vere/ext/nasm/include/labels.h b/vere/ext/nasm/include/labels.h new file mode 100644 index 0000000..a825d1f --- /dev/null +++ b/vere/ext/nasm/include/labels.h @@ -0,0 +1,79 @@ +/* ----------------------------------------------------------------------- * + * + * 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_none = -1, /* No label */ + LBL_LOCAL = 0, /* Must be zero */ + LBL_STATIC, + LBL_GLOBAL, + LBL_EXTERN, + LBL_REQUIRED, /* Like extern but emit even if unused */ + LBL_COMMON, + LBL_SPECIAL, /* Magic symbols like ..start */ + LBL_BACKEND /* Backend-defined symbols like ..got */ +}; + +enum label_type lookup_label(const char *label, int32_t *segment, int64_t *offset); +static inline bool is_extern(enum label_type type) +{ + return type == LBL_EXTERN || type == LBL_REQUIRED; +} +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 */ |