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authormidipix <writeonce@midipix.org>2017-12-13 11:08:42 -0500
committermidipix <writeonce@midipix.org>2017-12-13 11:24:14 -0500
commitf3d26e13d91f3ca06ab3de9714a908596a0e7e36 (patch)
treee66e4d27f55226aab81abfd1fa4018a39e64926f /src/logic
parent25e3c0b994fe1cb59ac601dacbded5a3ea953b6e (diff)
downloadperk-f3d26e13d91f3ca06ab3de9714a908596a0e7e36.tar.bz2
perk-f3d26e13d91f3ca06ab3de9714a908596a0e7e36.tar.xz
refactor: struct pe_image_meta: pointers to raw data are now r-prefixed.
Diffstat (limited to 'src/logic')
-rw-r--r--src/logic/pe_get_image_meta.c68
1 files changed, 34 insertions, 34 deletions
diff --git a/src/logic/pe_get_image_meta.c b/src/logic/pe_get_image_meta.c
index 7a6d952..c6d8f98 100644
--- a/src/logic/pe_get_image_meta.c
+++ b/src/logic/pe_get_image_meta.c
@@ -48,7 +48,7 @@ int pe_get_block_section_index(const struct pe_image_meta * m, const struct pe_b
int i;
uint32_t low,high;
- if (m->aobj)
+ if (m->r_obj)
return -1;
for (i=0; i<m->m_coff.cfh_num_of_sections; i++) {
@@ -115,14 +115,14 @@ int pe_get_expsym_by_name(
const char * sym;
unsigned i;
- if (m->aobj || !m->h_edata)
+ if (m->r_obj || !m->h_edata)
return -1;
offset = m->h_edata->sh_virtual_addr - m->h_edata->sh_ptr_to_raw_data;
- symrva = (uint32_t *)((uintptr_t)m->image.addr + (m->m_edata.eh_name_ptr_rva - offset));
+ symrva = (uint32_t *)((uintptr_t)m->r_image.addr + (m->m_edata.eh_name_ptr_rva - offset));
for (i=0; i<m->m_edata.eh_num_of_name_ptrs; i++) {
- sym = (const char *)m->image.addr + symrva[i] - offset;
+ sym = (const char *)m->r_image.addr + symrva[i] - offset;
if (!(strcmp(sym,name))) {
if (expsym) {
@@ -148,7 +148,7 @@ int pe_get_expsym_by_index(
uint32_t * symrva;
uintptr_t symaddr;
- if (m->aobj)
+ if (m->r_obj)
return -1;
if (index >= m->m_edata.eh_num_of_name_ptrs)
@@ -156,8 +156,8 @@ int pe_get_expsym_by_index(
if (expsym) {
offset = m->h_edata->sh_virtual_addr - m->h_edata->sh_ptr_to_raw_data;
- symrva = (uint32_t *)((uintptr_t)m->image.addr + (m->m_edata.eh_name_ptr_rva - offset));
- symaddr = (uintptr_t)m->image.addr + symrva[index] - offset;
+ symrva = (uint32_t *)((uintptr_t)m->r_image.addr + (m->m_edata.eh_name_ptr_rva - offset));
+ symaddr = (uintptr_t)m->r_image.addr + symrva[index] - offset;
expsym->name = (const char *)symaddr;
expsym->eaddr = 0;
@@ -186,19 +186,19 @@ int pe_get_image_meta(
if (!(m = calloc(1,sizeof(*m))))
return PERK_SYSTEM_ERROR(dctx);
- m->aobj = (struct pe_raw_coff_object_hdr *)base;
+ m->r_obj = (struct pe_raw_coff_object_hdr *)base;
- if (pe_read_object_header(m->aobj,&m->m_coff)) {
- m->aobj = 0;
- m->ados = (struct pe_raw_image_dos_hdr *)base;
+ if (pe_read_object_header(m->r_obj,&m->m_coff)) {
+ m->r_obj = 0;
+ m->r_dos = (struct pe_raw_image_dos_hdr *)base;
- if ((ret = (pe_read_dos_header(m->ados,&m->m_dos))))
+ if ((ret = (pe_read_dos_header(m->r_dos,&m->m_dos))))
return pe_free_image_meta_impl(
m,PERK_CUSTOM_ERROR(dctx,ret));
- m->acoff = (struct pe_raw_coff_image_hdr *)(base + m->m_dos.dos_lfanew);
+ m->r_coff = (struct pe_raw_coff_image_hdr *)(base + m->m_dos.dos_lfanew);
- if ((ret = (pe_read_coff_header(m->acoff,&m->m_coff))))
+ if ((ret = (pe_read_coff_header(m->r_coff,&m->m_coff))))
return pe_free_image_meta_impl(
m,PERK_CUSTOM_ERROR(dctx,ret));
}
@@ -212,19 +212,19 @@ int pe_get_image_meta(
m->m_coff.cfh_size_of_str_tbl = pe_read_long(mark);
}
- if (m->ados) {
- mark = &m->acoff->cfh_signature[0];
- m->aopt = (union pe_raw_opt_hdr *)(mark + sizeof(*m->acoff));
+ if (m->r_dos) {
+ mark = &m->r_coff->cfh_signature[0];
+ m->r_opt = (union pe_raw_opt_hdr *)(mark + sizeof(*m->r_coff));
- if ((ret = (pe_read_optional_header(m->aopt,&m->m_opt))))
+ if ((ret = (pe_read_optional_header(m->r_opt,&m->m_opt))))
return pe_free_image_meta_impl(
m,PERK_CUSTOM_ERROR(dctx,ret));
- mark = &m->aopt->opt_hdr_32.coh_magic[0];
- m->asectbl = (struct pe_raw_sec_hdr *)(mark + m->m_coff.cfh_size_of_opt_hdr);
+ mark = &m->r_opt->opt_hdr_32.coh_magic[0];
+ m->r_sectbl = (struct pe_raw_sec_hdr *)(mark + m->m_coff.cfh_size_of_opt_hdr);
} else {
- mark = &m->aobj->cfh_machine[0];
- m->asectbl = (struct pe_raw_sec_hdr *)(mark + sizeof(*m->aobj));
+ mark = &m->r_obj->cfh_machine[0];
+ m->r_sectbl = (struct pe_raw_sec_hdr *)(mark + sizeof(*m->r_obj));
}
if (!(m->m_sectbl = calloc(m->m_coff.cfh_num_of_sections,sizeof(*(m->m_sectbl)))))
@@ -232,7 +232,7 @@ int pe_get_image_meta(
m,PERK_SYSTEM_ERROR(dctx));
for (i=0; i<m->m_coff.cfh_num_of_sections; i++) {
- pe_read_section_header(&m->asectbl[i],&m->m_sectbl[i]);
+ pe_read_section_header(&m->r_sectbl[i],&m->m_sectbl[i]);
if (m->m_sectbl[i].sh_name[0] == '/')
if ((l = strtol(&m->m_sectbl[i].sh_name[1],0,10)) > 0)
@@ -250,15 +250,15 @@ int pe_get_image_meta(
if (s >= 0) {
m->h_edata = &m->m_sectbl[s];
- m->aedata = (struct pe_raw_export_hdr *)(base + m->m_sectbl[s].sh_ptr_to_raw_data
+ m->r_edata = (struct pe_raw_export_hdr *)(base + m->m_sectbl[s].sh_ptr_to_raw_data
+ m->m_opt.oh_dirs.coh_export_tbl.dh_rva - m->m_sectbl[s].sh_virtual_addr);
} else if (i >= 0) {
m->h_edata = &m->m_sectbl[i];
- m->aedata = (struct pe_raw_export_hdr *)(base + m->m_sectbl[i].sh_ptr_to_raw_data);
+ m->r_edata = (struct pe_raw_export_hdr *)(base + m->m_sectbl[i].sh_ptr_to_raw_data);
}
- if (m->aedata) {
- pe_read_export_header(m->aedata,&m->m_edata);
+ if (m->r_edata) {
+ pe_read_export_header(m->r_edata,&m->m_edata);
m->m_stats.nexpsyms = m->m_edata.eh_num_of_name_ptrs;
}
@@ -275,16 +275,16 @@ int pe_get_image_meta(
if (s >= 0) {
m->h_idata = &m->m_sectbl[s];
- m->aidata = (struct pe_raw_import_hdr *)(base + m->m_sectbl[s].sh_ptr_to_raw_data
+ m->r_idata = (struct pe_raw_import_hdr *)(base + m->m_sectbl[s].sh_ptr_to_raw_data
+ m->m_opt.oh_dirs.coh_import_tbl.dh_rva - m->m_sectbl[s].sh_virtual_addr);
} else if (i >= 0) {
m->h_idata = &m->m_sectbl[i];
- m->aidata = (struct pe_raw_import_hdr *)(base + m->m_sectbl[i].sh_ptr_to_raw_data);
+ m->r_idata = (struct pe_raw_import_hdr *)(base + m->m_sectbl[i].sh_ptr_to_raw_data);
}
- if (m->aidata) {
+ if (m->r_idata) {
/* num of implibs */
- for (pidata=m->aidata; pe_read_long(pidata->ih_name_rva); pidata++)
+ for (pidata=m->r_idata; pe_read_long(pidata->ih_name_rva); pidata++)
m->m_stats.nimplibs++;
/* import headers */
@@ -293,7 +293,7 @@ int pe_get_image_meta(
m,PERK_SYSTEM_ERROR(dctx));
for (i=0; i<m->m_stats.nimplibs; i++) {
- pe_read_import_header(&m->aidata[i],&m->m_idata[i]);
+ pe_read_import_header(&m->r_idata[i],&m->m_idata[i]);
m->m_idata[i].ih_name = base + m->h_idata->sh_ptr_to_raw_data
+ m->m_idata[i].ih_name_rva
@@ -350,8 +350,8 @@ int pe_get_image_meta(
}
/* image */
- m->image.addr = image->addr;
- m->image.size = image->size;
+ m->r_image.addr = image->addr;
+ m->r_image.size = image->size;
/* all done */
*meta = m;