drgn/libdrgn/python/test.c
Omar Sandoval baba1ff3f0 libdrgn: make program components pluggable
Currently, programs can be created for three main use-cases: core dumps,
the running kernel, and a running process. However, internally, the
program memory, types, and symbols are pluggable. Expose that as a
callback API, which makes it possible to use drgn in much more creative
ways.
2019-05-10 12:41:07 -07:00

94 lines
2.4 KiB
C

// Copyright 2018-2019 - Omar Sandoval
// SPDX-License-Identifier: GPL-3.0+
/*
* Wrapper functions for testing.
*
* In order to test a few internal interfaces that don't have Python bindings,
* we export some wrappers for those interfaces and for some required
* libelf/libdw helpers. These wrappers are accessed via ctypes.
*/
#include "drgnpy.h"
#include "../internal.h"
#include "../lexer.h"
#include "../serialize.h"
DRGNPY_PUBLIC void drgn_test_lexer_init(struct drgn_lexer *lexer,
drgn_lexer_func func, const char *str)
{
return drgn_lexer_init(lexer, func, str);
}
DRGNPY_PUBLIC void drgn_test_lexer_deinit(struct drgn_lexer *lexer)
{
return drgn_lexer_deinit(lexer);
}
DRGNPY_PUBLIC struct drgn_error *drgn_test_lexer_pop(struct drgn_lexer *lexer,
struct drgn_token *token)
{
return drgn_lexer_pop(lexer, token);
}
DRGNPY_PUBLIC struct drgn_error *
drgn_test_lexer_push(struct drgn_lexer *lexer, const struct drgn_token *token)
{
return drgn_lexer_push(lexer, token);
}
DRGNPY_PUBLIC struct drgn_error *drgn_test_lexer_peek(struct drgn_lexer *lexer,
struct drgn_token *token)
{
return drgn_lexer_peek(lexer, token);
}
DRGNPY_PUBLIC struct drgn_error *drgn_test_lexer_func(struct drgn_lexer *lexer,
struct drgn_token *token)
{
token->kind = *lexer->p;
token->value = lexer->p;
if (token->kind) {
token->len = 1;
lexer->p++;
} else {
token->len = 0;
}
return NULL;
}
DRGNPY_PUBLIC struct drgn_error *drgn_test_lexer_c(struct drgn_lexer *lexer,
struct drgn_token *token)
{
return drgn_lexer_c(lexer, token);
}
DRGNPY_PUBLIC bool drgn_test_path_iterator_next(struct path_iterator *it,
const char **component,
size_t *component_len)
{
return path_iterator_next(it, component, component_len);
}
DRGNPY_PUBLIC bool drgn_test_path_ends_with(struct path_iterator *haystack,
struct path_iterator *needle)
{
return path_ends_with(haystack, needle);
}
DRGNPY_PUBLIC void drgn_test_serialize_bits(void *buf, uint64_t bit_offset,
uint64_t uvalue, uint8_t bit_size,
bool little_endian)
{
return serialize_bits(buf, bit_offset, uvalue, bit_size, little_endian);
}
DRGNPY_PUBLIC uint64_t drgn_test_deserialize_bits(const void *buf,
uint64_t bit_offset,
uint8_t bit_size,
bool little_endian)
{
return deserialize_bits(buf, bit_offset, bit_size, little_endian);
}