f601f67258
To help in the tree wide conversion to uint32_t to represent type IDs. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
116 lines
3.6 KiB
C
116 lines
3.6 KiB
C
/*
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SPDX-License-Identifier: GPL-2.0-only
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Copyright (C) 2019 Arnaldo Carvalho de Melo <acme@redhat.com>
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*/
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#ifndef _LIBCTF_H
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#define _LIBCTF_H
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#include <stdbool.h>
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#include <stdint.h>
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#include <stddef.h>
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#include <elf.h>
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#include "gobuffer.h"
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#include "elf_symtab.h"
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struct ctf {
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void *buf;
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void *priv;
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Elf *elf;
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struct elf_symtab *symtab;
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GElf_Ehdr ehdr;
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struct gobuffer objects; /* data/variables */
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struct gobuffer types;
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struct gobuffer funcs;
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struct gobuffer *strings;
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char *filename;
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size_t size;
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int swapped;
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int in_fd;
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uint8_t wordsize;
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uint32_t type_index;
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};
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struct ctf *ctf__new(const char *filename, Elf *elf);
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void ctf__delete(struct ctf *ctf);
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bool ctf__ignore_symtab_function(const GElf_Sym *sym, const char *sym_name);
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bool ctf__ignore_symtab_object(const GElf_Sym *sym, const char *sym_name);
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int ctf__load(struct ctf *ctf);
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uint16_t ctf__get16(struct ctf *ctf, uint16_t *p);
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uint32_t ctf__get32(struct ctf *ctf, uint32_t *p);
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void ctf__put16(struct ctf *ctf, uint16_t *p, uint16_t val);
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void ctf__put32(struct ctf *ctf, uint32_t *p, uint32_t val);
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void *ctf__get_buffer(struct ctf *ctf);
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size_t ctf__get_size(struct ctf *ctf);
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int ctf__load_symtab(struct ctf *ctf);
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uint32_t ctf__add_base_type(struct ctf *ctf, uint32_t name, uint16_t size);
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uint32_t ctf__add_fwd_decl(struct ctf *ctf, uint32_t name);
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uint32_t ctf__add_short_type(struct ctf *ctf, uint16_t kind, uint16_t type, uint32_t name);
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void ctf__add_short_member(struct ctf *ctf, uint32_t name, uint16_t type,
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uint16_t offset, int64_t *position);
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void ctf__add_full_member(struct ctf *ctf, uint32_t name, uint16_t type,
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uint64_t offset, int64_t *position);
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uint32_t ctf__add_struct(struct ctf *ctf, uint16_t kind, uint32_t name,
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uint64_t size, uint16_t nr_members, int64_t *position);
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uint32_t ctf__add_array(struct ctf *ctf, uint16_t type, uint16_t index_type, uint32_t nelems);
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void ctf__add_parameter(struct ctf *ctf, uint16_t type, int64_t *position);
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uint32_t ctf__add_function_type(struct ctf *ctf, uint16_t type,
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uint16_t nr_parms, bool varargs, int64_t *position);
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uint32_t ctf__add_enumeration_type(struct ctf *ctf, uint32_t name, uint16_t size,
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uint16_t nr_entries, int64_t *position);
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void ctf__add_enumerator(struct ctf *ctf, uint32_t name, uint32_t value,
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int64_t *position);
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void ctf__add_function_parameter(struct ctf *ctf, uint16_t type,
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int64_t *position);
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int ctf__add_function(struct ctf *ctf, uint16_t type, uint16_t nr_parms,
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bool varargs, int64_t *position);
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int ctf__add_object(struct ctf *ctf, uint16_t type);
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void ctf__set_strings(struct ctf *ctf, struct gobuffer *strings);
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int ctf__encode(struct ctf *ctf, uint8_t flags);
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char *ctf__string(struct ctf *ctf, uint32_t ref);
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/**
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* ctf__for_each_symtab_function - iterate thru all the symtab functions
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*
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* @ctf: struct ctf instance to iterate
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* @index: uint32_t index
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* @sym: GElf_Sym iterator
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*/
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#define ctf__for_each_symtab_function(ctf, index, sym) \
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elf_symtab__for_each_symbol(ctf->symtab, index, sym) \
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if (ctf__ignore_symtab_function(&sym, \
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elf_sym__name(&sym, \
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ctf->symtab))) \
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continue; \
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else
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/**
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* ctf__for_each_symtab_object - iterate thru all the symtab objects
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*
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* @ctf: struct ctf instance to iterate
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* @index: uint32_t index
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* @sym: GElf_Sym iterator
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*/
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#define ctf__for_each_symtab_object(ctf, index, sym) \
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elf_symtab__for_each_symbol(ctf->symtab, index, sym) \
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if (ctf__ignore_symtab_object(&sym, \
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elf_sym__name(&sym, \
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ctf->symtab))) \
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continue; \
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else
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#endif /* _LIBCTF_H */
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