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Justine Tunney 2020-06-15 07:18:57 -07:00
commit c91b3c5006
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libc/runtime/symbols.h Normal file
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=8 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ This program is free software; you can redistribute it and/or modify │
│ it under the terms of the GNU General Public License as published by │
│ the Free Software Foundation; version 2 of the License. │
│ │
│ This program 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 │
│ General Public License for more details. │
│ │
│ You should have received a copy of the GNU General Public License │
│ along with this program; if not, write to the Free Software │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#ifndef COSMOPOLITAN_LIBC_SYMBOLS_H_
#define COSMOPOLITAN_LIBC_SYMBOLS_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
#include "libc/elf/elf.h"
#include "libc/runtime/ezmap.h"
COSMOPOLITAN_C_START_
struct Symbol {
unsigned addr_rva;
unsigned name_rva;
};
struct SymbolTable {
union {
struct MappedFile mf;
struct {
int64_t fd;
struct Elf64_Ehdr *elf;
size_t elfsize;
};
};
size_t scratch;
size_t count;
intptr_t addr_base;
intptr_t addr_end;
const char *name_base;
struct Symbol symbols[];
};
struct SymbolTable *getsymboltable(void);
const char *findcombinary(void);
const char *finddebugbinary(void);
struct SymbolTable *opensymboltable(const char *) nodiscard;
int closesymboltable(struct SymbolTable **);
const struct Symbol *bisectsymbol(struct SymbolTable *, intptr_t, int64_t *);
const char *getsymbolname(struct SymbolTable *, const struct Symbol *);
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_SYMBOLS_H_ */