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Diffstat (limited to 'src/output/pe_output_pecoff_sections.c')
-rw-r--r--src/output/pe_output_pecoff_sections.c223
1 files changed, 223 insertions, 0 deletions
diff --git a/src/output/pe_output_pecoff_sections.c b/src/output/pe_output_pecoff_sections.c
new file mode 100644
index 0000000..3ee6fc0
--- /dev/null
+++ b/src/output/pe_output_pecoff_sections.c
@@ -0,0 +1,223 @@
+/***************************************************************/
+/* perk: PE Resource Kit */
+/* Copyright (C) 2015--2025 SysDeer Technologies, LLC */
+/* Released under GPLv2 and GPLv3; see COPYING.PERK. */
+/***************************************************************/
+
+#include <stdio.h>
+
+#include <perk/perk.h>
+#include <perk/perk_output.h>
+#include <perk/perk_consts.h>
+#include <perk/perk_structs.h>
+#include "perk_driver_impl.h"
+#include "perk_dprintf_impl.h"
+#include "perk_errinfo_impl.h"
+
+static const char * pe_i386_reloc_type_desc[0x16] = {
+ [PE_IMAGE_REL_I386_ABSOLUTE] = "PE_IMAGE_REL_I386_ABSOLUTE",
+ [PE_IMAGE_REL_I386_DIR16] = "PE_IMAGE_REL_I386_DIR16",
+ [PE_IMAGE_REL_I386_REL16] = "PE_IMAGE_REL_I386_REL16",
+ [PE_IMAGE_REL_I386_DIR32] = "PE_IMAGE_REL_I386_DIR32",
+ [PE_IMAGE_REL_I386_DIR32NB] = "PE_IMAGE_REL_I386_DIR32NB",
+ [PE_IMAGE_REL_I386_SEG12] = "PE_IMAGE_REL_I386_SEG12",
+ [PE_IMAGE_REL_I386_SECTION] = "PE_IMAGE_REL_I386_SECTION",
+ [PE_IMAGE_REL_I386_SECREL] = "PE_IMAGE_REL_I386_SECREL",
+ [PE_IMAGE_REL_I386_TOKEN] = "PE_IMAGE_REL_I386_TOKEN",
+ [PE_IMAGE_REL_I386_SECREL7] = "PE_IMAGE_REL_I386_SECREL7",
+ [PE_IMAGE_REL_I386_REL32] = "PE_IMAGE_REL_I386_REL32",
+};
+
+static const char * pe_amd64_reloc_type_desc[0x12] = {
+ [PE_IMAGE_REL_AMD64_ABSOLUTE] = "PE_IMAGE_REL_AMD64_ABSOLUTE",
+ [PE_IMAGE_REL_AMD64_ADDR64] = "PE_IMAGE_REL_AMD64_ADDR64",
+ [PE_IMAGE_REL_AMD64_ADDR32] = "PE_IMAGE_REL_AMD64_ADDR32",
+ [PE_IMAGE_REL_AMD64_ADDR32NB] = "PE_IMAGE_REL_AMD64_ADDR32NB",
+ [PE_IMAGE_REL_AMD64_REL32] = "PE_IMAGE_REL_AMD64_REL32",
+ [PE_IMAGE_REL_AMD64_REL32_1] = "PE_IMAGE_REL_AMD64_REL32_1",
+ [PE_IMAGE_REL_AMD64_REL32_2] = "PE_IMAGE_REL_AMD64_REL32_2",
+ [PE_IMAGE_REL_AMD64_REL32_3] = "PE_IMAGE_REL_AMD64_REL32_3",
+ [PE_IMAGE_REL_AMD64_REL32_4] = "PE_IMAGE_REL_AMD64_REL32_4",
+ [PE_IMAGE_REL_AMD64_REL32_5] = "PE_IMAGE_REL_AMD64_REL32_5",
+ [PE_IMAGE_REL_AMD64_SECTION] = "PE_IMAGE_REL_AMD64_SECTION",
+ [PE_IMAGE_REL_AMD64_SECREL] = "PE_IMAGE_REL_AMD64_SECREL",
+ [PE_IMAGE_REL_AMD64_SECREL7] = "PE_IMAGE_REL_AMD64_SECREL7",
+ [PE_IMAGE_REL_AMD64_TOKEN] = "PE_IMAGE_REL_AMD64_TOKEN",
+ [PE_IMAGE_REL_AMD64_SREL32] = "PE_IMAGE_REL_AMD64_SREL32",
+ [PE_IMAGE_REL_AMD64_PAIR] = "PE_IMAGE_REL_AMD64_PAIR",
+ [PE_IMAGE_REL_AMD64_SSPAN32] = "PE_IMAGE_REL_AMD64_SSPAN32",
+};
+
+static int pe_output_section_names(
+ const struct pe_driver_ctx * dctx,
+ const struct pe_image_meta * meta,
+ int fdout)
+{
+ int i;
+
+ for (i=0; i<meta->m_coff.cfh_num_of_sections; i++)
+ if (pe_dprintf(fdout,"%s\n",meta->m_sectbl[i].sh_name) < 0)
+ return PERK_FILE_ERROR(dctx);
+
+ return 0;
+}
+
+static int pe_output_section_names_yaml(
+ const struct pe_driver_ctx * dctx,
+ const struct pe_image_meta * meta,
+ int fdout)
+{
+ int i;
+
+ if (pe_dprintf(fdout," - Sections:\n") < 0)
+ return PERK_FILE_ERROR(dctx);
+
+ for (i=0; i<meta->m_coff.cfh_num_of_sections; i++)
+ if (pe_dprintf(fdout," - section: %s\n",meta->m_sectbl[i].sh_name) < 0)
+ return PERK_FILE_ERROR(dctx);
+
+ return 0;
+}
+
+static int pe_output_section_record_yaml(
+ int fdout,
+ const struct pe_driver_ctx * dctx,
+ const struct pe_image_meta * meta,
+ const struct pe_meta_sec_hdr * s,
+ const unsigned char * base)
+{
+ int i;
+ const struct pe_raw_coff_reloc * r;
+ struct pe_meta_coff_reloc m;
+ char reltypedesc[64];
+
+ if (pe_dprintf(fdout,
+ " - section:\n"
+ " - [ name: %s ]\n"
+ " - [ virtual-size: 0x%08x ]\n"
+ " - [ virtual-addr: 0x%08x ]\n"
+ " - [ size-of-raw-data: 0x%08x ]\n"
+ " - [ ptr-to-raw-data: 0x%08x ]\n"
+ " - [ ptr-to-relocs: 0x%08x ]\n"
+ " - [ ptr-to-line-nums: 0x%08x ]\n"
+ " - [ num-of-relocs: %u ]\n"
+ " - [ num-of-line-nums: %u ]\n"
+ " - [ characteristics: 0x%08x ]\n"
+ "\n",
+ s->sh_name,
+ s->sh_virtual_size,
+ s->sh_virtual_addr,
+ s->sh_size_of_raw_data,
+ s->sh_ptr_to_raw_data,
+ s->sh_ptr_to_relocs,
+ s->sh_ptr_to_line_nums,
+ s->sh_num_of_relocs,
+ s->sh_num_of_line_nums,
+ s->sh_characteristics) < 0)
+ return PERK_FILE_ERROR(dctx);
+
+ if (s->sh_num_of_relocs == 0)
+ return 0;
+
+ if (pe_dprintf(fdout," - relocation-records:\n") < 0)
+ return PERK_FILE_ERROR(dctx);
+
+ r = (const struct pe_raw_coff_reloc *)&base[s->sh_ptr_to_relocs];
+
+ for (i=0; i<s->sh_num_of_relocs; i++) {
+ pe_read_coff_reloc(&r[i],&m);
+ memset(reltypedesc,0,sizeof(reltypedesc));
+
+ switch (meta->m_abi) {
+ case PE_ABI_PE32:
+ if (m.rel_type <= PE_IMAGE_REL_I386_REL32)
+ snprintf(reltypedesc,sizeof(reltypedesc),
+ "0x%04x (%s)",
+ m.rel_type,
+ pe_i386_reloc_type_desc[m.rel_type]);
+ break;
+
+ case PE_ABI_PE64:
+ if (m.rel_type <= PE_IMAGE_REL_AMD64_SSPAN32)
+ snprintf(reltypedesc,sizeof(reltypedesc),
+ "0x%04x (%s)",
+ m.rel_type,
+ pe_amd64_reloc_type_desc[m.rel_type]);
+ break;
+
+ default:
+ snprintf(reltypedesc,sizeof(reltypedesc),
+ "0x%04x",
+ m.rel_type);
+ }
+
+ if (pe_dprintf(
+ fdout,
+ " - reloction-record:\n"
+ " - [ rva: 0x%08x ]\n"
+ " - [ sym: 0x%08x (%s) ]\n"
+ " - [ type: %s ]\n"
+ "\n",
+ m.rel_rva,
+ m.rel_sym,
+ meta->m_symvec_symidx[m.rel_sym]->cs_name,
+ reltypedesc) < 0)
+ return PERK_FILE_ERROR(dctx);
+ }
+
+ return 0;
+}
+
+static int pe_output_section_records_yaml(
+ const struct pe_driver_ctx * dctx,
+ const struct pe_image_meta * meta,
+ int fdout)
+{
+ int i;
+
+ if (pe_dprintf(fdout," - Sections:\n") < 0)
+ return PERK_FILE_ERROR(dctx);
+
+ for (i=0; i<meta->m_coff.cfh_num_of_sections; i++)
+ if (pe_output_section_record_yaml(
+ fdout,dctx,meta,
+ &meta->m_sectbl[i],
+ meta->r_image.map_addr) < 0)
+ return PERK_NESTED_ERROR(dctx);
+
+ return 0;
+}
+
+static int pe_output_pecoff_sections_yaml(
+ const struct pe_driver_ctx * dctx,
+ const struct pe_image_meta * meta,
+ int fdout)
+{
+ if (dctx->cctx->fmtflags & PERK_PRETTY_VERBOSE) {
+ if (pe_output_section_records_yaml(dctx,meta,fdout) < 0)
+ return PERK_NESTED_ERROR(dctx);
+ } else {
+ if (pe_output_section_names_yaml(dctx,meta,fdout) < 0)
+ return PERK_NESTED_ERROR(dctx);
+ }
+
+ return 0;
+}
+
+int pe_output_pecoff_sections(
+ const struct pe_driver_ctx * dctx,
+ const struct pe_image_meta * meta)
+{
+ int fdout = pe_driver_fdout(dctx);
+
+ if (dctx->cctx->fmtflags & PERK_PRETTY_YAML) {
+ if (pe_output_pecoff_sections_yaml(dctx,meta,fdout) < 0)
+ return PERK_NESTED_ERROR(dctx);
+
+ } else {
+ if (pe_output_section_names(dctx,meta,fdout) < 0)
+ return PERK_NESTED_ERROR(dctx);
+ }
+
+ return 0;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-14 09:07:38 +0000