| /*****************************************************************************/ |
| /* pemagination: a (virtual) tour into portable bits and executable bytes */ |
| /* Copyright (C) 2013--2017 Z. Gilboa */ |
| /* Released under GPLv2 and GPLv3; see COPYING.PEMAGINE. */ |
| /*****************************************************************************/ |
| |
| #include <psxtypes/psxtypes.h> |
| #include <pemagine/pe_structs.h> |
| #include <pemagine/pe_consts.h> |
| #include <pemagine/pemagine.h> |
| |
| |
| void * pe_get_image_entry_point_addr(const void * base) |
| { |
| uint16_t * magic; |
| union pe_raw_opt_hdr * hdr; |
| uint32_t * rva; |
| |
| if (!(hdr = pe_get_image_opt_hdr_addr(base))) |
| return 0; |
| |
| magic = (uint16_t *)hdr; |
| |
| switch (*magic) { |
| case PE_MAGIC_PE32: |
| rva = (uint32_t *)hdr->opt_hdr_32.coh_entry_point; |
| break; |
| |
| case PE_MAGIC_PE32_PLUS: |
| rva = (uint32_t *)hdr->opt_hdr_64.coh_entry_point; |
| break; |
| |
| default: |
| return 0; |
| } |
| |
| return pe_va_from_rva(base,*rva); |
| } |