From 2174f90e013024f6d44976e10da2afb5486a5bc9 Mon Sep 17 00:00:00 2001 From: midipix Date: Sun, 8 Jun 2025 11:17:44 +0000 Subject: struct pe_image_meta: added and integrated .m_symvec_crc32 and .m_symvec_crc64. --- src/logic/pe_image_meta_data.c | 46 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) (limited to 'src/logic') diff --git a/src/logic/pe_image_meta_data.c b/src/logic/pe_image_meta_data.c index ab6dc4f..9846818 100644 --- a/src/logic/pe_image_meta_data.c +++ b/src/logic/pe_image_meta_data.c @@ -26,6 +26,9 @@ static int pe_free_image_meta_impl(struct pe_image_meta * meta, int ret) for (i=0; im_stats.t_nimplibs; i++) free(meta->m_idata[i].ih_items); + free(meta->m_symvec_crc32); + free(meta->m_symvec_crc64); + free(meta->m_idata); free(meta->m_symtbl); free(meta->m_sectbl); @@ -40,6 +43,24 @@ void pe_meta_free_image_meta(struct pe_image_meta * meta) pe_free_image_meta_impl(meta,0); } +static int pe_symrec_crc32_compare(const void * a, const void * b) +{ + struct pe_meta_coff_symbol * syma = *(struct pe_meta_coff_symbol **)a; + struct pe_meta_coff_symbol * symb = *(struct pe_meta_coff_symbol **)b; + int eqor = !!(syma->cs_crc32 - symb->cs_crc32); + + return eqor * (syma->cs_crc32 > symb->cs_crc32 ? (1) : (-1)); +} + +static int pe_symrec_crc64_compare(const void * a, const void * b) +{ + struct pe_meta_coff_symbol * syma = *(struct pe_meta_coff_symbol **)a; + struct pe_meta_coff_symbol * symb = *(struct pe_meta_coff_symbol **)b; + int eqor = !!(syma->cs_crc64 - symb->cs_crc64); + + return eqor * (syma->cs_crc64 > symb->cs_crc64 ? (1) : (-1)); +} + static int pe_get_named_section_index(const struct pe_image_meta * m, const char * name) { int i; for (i=0; im_coff.cfh_num_of_sections; i++) @@ -348,6 +369,7 @@ int pe_meta_get_image_meta( struct pe_image_meta * m; struct pe_meta_coff_symbol * symrec; int nrecs; + int nsyms; base = image->map_addr; @@ -402,6 +424,30 @@ int pe_meta_get_image_meta( m->m_stats.t_nsymbols = symrec - m->m_symtbl; + if ((nsyms = m->m_stats.t_nsymbols) && true) { + if (!(m->m_symvec_crc32 = calloc(nsyms,sizeof(*m->m_symvec_crc32)))) + return PERK_SYSTEM_ERROR(dctx); + + for (i=0; im_symvec_crc32[i] = &m->m_symtbl[i]; + + qsort(&m->m_symvec_crc32[0],nsyms, + sizeof(*m->m_symvec_crc32), + pe_symrec_crc32_compare); + } + + if (nsyms && true) { + if (!(m->m_symvec_crc64 = calloc(nsyms,sizeof(*m->m_symvec_crc64)))) + return PERK_SYSTEM_ERROR(dctx); + + for (i=0; im_symvec_crc64[i] = &m->m_symtbl[i]; + + qsort(m->m_symvec_crc64,nsyms, + sizeof(*m->m_symvec_crc64), + pe_symrec_crc64_compare); + } + if (m->r_dos) { mark = &m->r_coff->cfh_signature[0]; m->r_opt = (union pe_raw_opt_hdr *)(mark + sizeof(*m->r_coff)); -- cgit v1.2.3