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dbghelp: Translate the 32-bit Mach-O section header to the 64-bit one.

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Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2018-06-14 16:58:17 -05:00 committed by Alexandre Julliard
parent 0fc3c33637
commit 1dc9bb70cd
2 changed files with 30 additions and 21 deletions
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8
dlls/dbghelp/image_private.h
View file

@ -44,12 +44,6 @@
#endif
#ifdef HAVE_MACH_O_LOADER_H
#include <mach-o/loader.h>
#ifdef _WIN64
typedef struct section_64 macho_section;
#else
typedef struct section macho_section;
#endif
#endif
#define IMAGE_NO_MAP ((void*)-1)
@ -105,7 +99,7 @@ struct image_file_map
int num_sections;
struct
{
const macho_section* section;
struct section_64 section;
const char* mapped;
unsigned int ignored : 1;
}* sect;

43
dlls/dbghelp/macho_module.c
View file

@ -328,7 +328,7 @@ BOOL macho_find_section(struct image_file_map* ifm, const char* segname, const c
{
struct macho_file_map* fmap;
unsigned i;
char tmp[sizeof(fmap->sect[0].section->sectname)];
char tmp[sizeof(fmap->sect[0].section.sectname)];
/* Other parts of dbghelp use section names like ".eh_frame". Mach-O uses
names like "__eh_frame". Convert those. */
@ -345,8 +345,8 @@ BOOL macho_find_section(struct image_file_map* ifm, const char* segname, const c
for (i = 0; i < fmap->num_sections; i++)
{
if (!fmap->sect[i].ignored &&
strcmp(fmap->sect[i].section->sectname, sectname) == 0 &&
(!segname || strcmp(fmap->sect[i].section->segname, segname) == 0))
strcmp(fmap->sect[i].section.sectname, sectname) == 0 &&
(!segname || strcmp(fmap->sect[i].section.segname, segname) == 0))
{
ism->fmap = ifm;
ism->sidx = i;
@ -372,7 +372,7 @@ const char* macho_map_section(struct image_section_map* ism)
if (ism->sidx < 0 || ism->sidx >= ism->fmap->u.macho.num_sections || fmap->sect[ism->sidx].ignored)
return IMAGE_NO_MAP;
return macho_map_range(fmap, fmap->sect[ism->sidx].section->offset, fmap->sect[ism->sidx].section->size,
return macho_map_range(fmap, fmap->sect[ism->sidx].section.offset, fmap->sect[ism->sidx].section.size,
&fmap->sect[ism->sidx].mapped);
}
@ -385,8 +385,8 @@ void macho_unmap_section(struct image_section_map* ism)
if (ism->sidx >= 0 && ism->sidx < fmap->num_sections && fmap->sect[ism->sidx].mapped != IMAGE_NO_MAP)
{
macho_unmap_range(&fmap->sect[ism->sidx].mapped, NULL, fmap, fmap->sect[ism->sidx].section->offset,
fmap->sect[ism->sidx].section->size);
macho_unmap_range(&fmap->sect[ism->sidx].mapped, NULL, fmap, fmap->sect[ism->sidx].section.offset,
fmap->sect[ism->sidx].section.size);
}
}
@ -398,7 +398,7 @@ DWORD_PTR macho_get_map_rva(const struct image_section_map* ism)
if (ism->sidx < 0 || ism->sidx >= ism->fmap->u.macho.num_sections ||
ism->fmap->u.macho.sect[ism->sidx].ignored)
return 0;
return ism->fmap->u.macho.sect[ism->sidx].section->addr - ism->fmap->u.macho.segs_start;
return ism->fmap->u.macho.sect[ism->sidx].section.addr - ism->fmap->u.macho.segs_start;
}
/******************************************************************
@ -409,7 +409,7 @@ unsigned macho_get_map_size(const struct image_section_map* ism)
if (ism->sidx < 0 || ism->sidx >= ism->fmap->u.macho.num_sections ||
ism->fmap->u.macho.sect[ism->sidx].ignored)
return 0;
return ism->fmap->u.macho.sect[ism->sidx].section->size;
return ism->fmap->u.macho.sect[ism->sidx].section.size;
}
/******************************************************************
@ -539,12 +539,12 @@ static int macho_load_section_info(struct image_file_map* ifm, const struct load
struct macho_file_map* fmap = &ifm->u.macho;
struct section_info* info = user;
BOOL ignore;
const macho_section* section;
int i;
unsigned long tmp, page_mask = sysconf( _SC_PAGESIZE ) - 1;
uint64_t vmaddr, vmsize;
char segname[16];
uint32_t nsects;
const void *sections;
if (ifm->addr_size == 32)
{
@ -553,7 +553,7 @@ static int macho_load_section_info(struct image_file_map* ifm, const struct load
vmsize = sc->vmsize;
memcpy(segname, sc->segname, sizeof(segname));
nsects = sc->nsects;
section = (const macho_section*)(sc + 1);
sections = (const void *)(sc + 1);
}
else
{
@ -562,7 +562,7 @@ static int macho_load_section_info(struct image_file_map* ifm, const struct load
vmsize = sc->vmsize;
memcpy(segname, sc->segname, sizeof(segname));
nsects = sc->nsects;
section = (const macho_section*)(sc + 1);
sections = (const void *)(sc + 1);
}
TRACE("(%p/%d, %p, %p) before: 0x%08lx - 0x%08lx\n", fmap, fmap->fd, lc, user,
@ -596,7 +596,22 @@ static int macho_load_section_info(struct image_file_map* ifm, const struct load
for (i = 0; i < nsects; i++)
{
fmap->sect[info->section_index].section = &section[i];
if (ifm->addr_size == 32)
{
const struct section *section = &((const struct section *)sections)[i];
memcpy(fmap->sect[info->section_index].section.sectname, section->sectname, sizeof(section->sectname));
memcpy(fmap->sect[info->section_index].section.segname, section->segname, sizeof(section->segname));
fmap->sect[info->section_index].section.addr = section->addr;
fmap->sect[info->section_index].section.size = section->size;
fmap->sect[info->section_index].section.offset = section->offset;
fmap->sect[info->section_index].section.align = section->align;
fmap->sect[info->section_index].section.reloff = section->reloff;
fmap->sect[info->section_index].section.nreloc = section->nreloc;
fmap->sect[info->section_index].section.flags = section->flags;
}
else
fmap->sect[info->section_index].section = ((const struct section_64 *)sections)[i];
fmap->sect[info->section_index].mapped = IMAGE_NO_MAP;
fmap->sect[info->section_index].ignored = ignore;
info->section_index++;
@ -831,8 +846,8 @@ static BOOL macho_sect_is_code(struct macho_file_map* fmap, unsigned char sectid
sectidx--; /* convert from 1-based to 0-based */
if (sectidx >= fmap->num_sections || fmap->sect[sectidx].ignored) return FALSE;
ret = (!(fmap->sect[sectidx].section->flags & SECTION_TYPE) &&
(fmap->sect[sectidx].section->flags & (S_ATTR_PURE_INSTRUCTIONS|S_ATTR_SOME_INSTRUCTIONS)));
ret = (!(fmap->sect[sectidx].section.flags & SECTION_TYPE) &&
(fmap->sect[sectidx].section.flags & (S_ATTR_PURE_INSTRUCTIONS|S_ATTR_SOME_INSTRUCTIONS)));
TRACE("-> %d\n", ret);
return ret;
}