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/*****************************************************************************/
/* pemagination: a (virtual) tour into portable bits and executable bytes */
/* Copyright (C) 2013--2020 SysDeer Technologies, LLC */
/* Released under GPLv2 and GPLv3; see COPYING.PEMAGINE. */
/*****************************************************************************/
#include <psxtypes/psxtypes.h>
#include <pemagine/pe_consts.h>
#include <pemagine/pe_structs.h>
#include <pemagine/pemagine.h>
static uint32_t pe_read_raw_data_32(unsigned char * addr)
{
uint32_t * p32;
p32 = (uint32_t *)addr;
return *p32;
}
static uint64_t pe_read_raw_data_64(unsigned char * addr)
{
uint64_t * p64;
p64 = (uint64_t *)addr;
return *p64;
}
int pe_get_image_stack_heap_info(const void * base, struct pe_stack_heap_info * stack_heap_info)
{
uint16_t * magic;
union pe_raw_opt_hdr * hdr;
if (!(hdr = pe_get_image_opt_hdr_addr(base)))
return 0;
magic = (uint16_t *)hdr;
switch (*magic) {
case PE_MAGIC_PE32:
stack_heap_info->size_of_stack_reserve = pe_read_raw_data_32(hdr->opt_hdr_32.coh_size_of_stack_reserve);
stack_heap_info->size_of_stack_commit = pe_read_raw_data_32(hdr->opt_hdr_32.coh_size_of_stack_commit);
stack_heap_info->size_of_heap_reserve = pe_read_raw_data_32(hdr->opt_hdr_32.coh_size_of_heap_reserve);
stack_heap_info->size_of_heap_commit = pe_read_raw_data_32(hdr->opt_hdr_32.coh_size_of_heap_commit);
break;
case PE_MAGIC_PE32_PLUS:
stack_heap_info->size_of_stack_reserve = pe_read_raw_data_64(hdr->opt_hdr_64.coh_size_of_stack_reserve);
stack_heap_info->size_of_stack_commit = pe_read_raw_data_64(hdr->opt_hdr_64.coh_size_of_stack_commit);
stack_heap_info->size_of_heap_reserve = pe_read_raw_data_64(hdr->opt_hdr_64.coh_size_of_heap_reserve);
stack_heap_info->size_of_heap_commit = pe_read_raw_data_64(hdr->opt_hdr_64.coh_size_of_heap_commit);
break;
default:
return -1;
}
return 0;
}
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