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/*****************************************************************************/
/* pemagination: a (virtual) tour into portable bits and executable bytes */
/* Copyright (C) 2013,2014,2015 Z. Gilboa */
/* Released under GPLv2 and GPLv3; see COPYING.PEMAGINE. */
/*****************************************************************************/
#include <psxtypes/psxtypes.h>
#include <pemagine/pemagine.h>
struct pe_module_info_ctx {
uintptr_t sym_addr;
struct pe_ldr_tbl_entry * image_ldr_tbl_entry;
};
static int pe_get_symbol_module_info_callback(
struct pe_ldr_tbl_entry * ldr_tbl_entry,
enum pe_callback_reason reason,
void * context)
{
uintptr_t image_base;
uintptr_t image_size;
struct pe_module_info_ctx * ctx;
if (reason != PE_CALLBACK_REASON_ITEM)
return 1;
ctx = (struct pe_module_info_ctx *)context;
image_base = (uintptr_t)(ldr_tbl_entry->dll_base);
image_size = (uintptr_t)(ldr_tbl_entry->size_of_image);
if ((ctx->sym_addr > image_base) && (ctx->sym_addr < image_base + image_size)) {
/* within bounds */
ctx->image_ldr_tbl_entry = ldr_tbl_entry;
return 0;
} else
return 1;
}
pe_api
struct pe_ldr_tbl_entry * pe_get_symbol_module_info(const void * sym_addr)
{
struct pe_module_info_ctx ctx;
ctx.sym_addr = (uintptr_t)sym_addr;
ctx.image_ldr_tbl_entry = 0;
pe_enum_modules_in_load_order(
pe_get_symbol_module_info_callback,
&ctx);
return ctx.image_ldr_tbl_entry;
}
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