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authormidipix <writeonce@midipix.org>2018-11-11 22:31:47 -0500
committermidipix <writeonce@midipix.org>2018-11-20 20:25:15 -0500
commit71ed2fda0285acf148a38f443490435350df6b4e (patch)
tree55e629a0b4beba1f3dc794885127cb60a9698dd6 /src
parentb73ae8503fd4afff6821e3bed84d408e1f8a3f0c (diff)
downloadperk-71ed2fda0285acf148a38f443490435350df6b4e.tar.bz2
perk-71ed2fda0285acf148a38f443490435350df6b4e.tar.xz
output: header dump: added pe_hdrdump_image_dos_hdr().
Diffstat (limited to 'src')
-rw-r--r--src/hdrdump/pe_hdrdump_image_dos_hdr.c74
-rw-r--r--src/internal/perk_hdrdump_impl.h14
2 files changed, 88 insertions, 0 deletions
diff --git a/src/hdrdump/pe_hdrdump_image_dos_hdr.c b/src/hdrdump/pe_hdrdump_image_dos_hdr.c
new file mode 100644
index 0000000..b413565
--- /dev/null
+++ b/src/hdrdump/pe_hdrdump_image_dos_hdr.c
@@ -0,0 +1,74 @@
+/***************************************************************/
+/* perk: PE Resource Kit */
+/* Copyright (C) 2015--2017 Z. Gilboa */
+/* Released under GPLv2 and GPLv3; see COPYING.PERK. */
+/***************************************************************/
+
+#include <stdio.h>
+
+#include <perk/perk.h>
+#include <perk/perk_output.h>
+#include "perk_driver_impl.h"
+#include "perk_hdrdump_impl.h"
+#include "perk_dprintf_impl.h"
+#include "perk_errinfo_impl.h"
+
+#define PE_ADDR meta->r_dos
+#define PE_RAW_STRUCT image_dos_hdr
+#define PE_OUTPUT(x) PE_OUTPUT_TABLE(x)
+
+int pe_hdrdump_image_dos_hdr(
+ const struct pe_driver_ctx * dctx,
+ const struct pe_image_meta * meta)
+{
+ int bits;
+ uint64_t faddr;
+ uint64_t vaddr;
+ char * ch;
+ char buf[8192];
+
+ if (!PE_ADDR)
+ return 0;
+
+ if ((bits = pe_image_bits(meta)) < 0)
+ return PERK_CUSTOM_ERROR(
+ dctx,PERK_ERR_UNSUPPORTED_ABI);
+
+ faddr = 0;
+ vaddr = meta->m_opt.oh_mem.coh_image_base;
+
+ ch = buf;
+ ch += pe_output_hex_header(
+ ch,
+ "struct pe_raw_image_dos_hdr",
+ faddr,vaddr,bits);
+
+ ch += PE_OUTPUT(dos_magic);
+ ch += PE_OUTPUT(dos_cblp);
+ ch += PE_OUTPUT(dos_cp);
+ ch += PE_OUTPUT(dos_crlc);
+ ch += PE_OUTPUT(dos_cparhdr);
+ ch += PE_OUTPUT(dos_minalloc);
+ ch += PE_OUTPUT(dos_maxalloc);
+ ch += PE_OUTPUT(dos_ss);
+ ch += PE_OUTPUT(dos_sp);
+ ch += PE_OUTPUT(dos_csum);
+ ch += PE_OUTPUT(dos_ip);
+ ch += PE_OUTPUT(dos_cs);
+ ch += PE_OUTPUT(dos_lfarlc);
+ ch += PE_OUTPUT(dos_ovno);
+ ch += PE_OUTPUT(dos_res);
+ ch += PE_OUTPUT(dos_oemid);
+ ch += PE_OUTPUT(dos_oeminfo);
+ ch += PE_OUTPUT(dos_res2);
+ ch += PE_OUTPUT(dos_lfanew);
+
+ ch += pe_output_hex_footer(ch);
+
+ *ch = 0;
+
+ if (pe_dprintf(pe_driver_fdout(dctx),"%s",buf) < 0)
+ return PERK_FILE_ERROR(dctx);
+
+ return 0;
+}
diff --git a/src/internal/perk_hdrdump_impl.h b/src/internal/perk_hdrdump_impl.h
index 41528ad..5adb63d 100644
--- a/src/internal/perk_hdrdump_impl.h
+++ b/src/internal/perk_hdrdump_impl.h
@@ -46,4 +46,18 @@ size_t pe_output_raw_element(
uint32_t moffset,
uint32_t msize);
+static inline int pe_image_bits(const struct pe_image_meta * m)
+{
+ switch (m->m_abi) {
+ case PE_ABI_PE32:
+ return 32;
+
+ case PE_ABI_PE64:
+ return 64;
+
+ default:
+ return -1;
+ }
+}
+
#endif