[reactos] 10/179: [WINESYNC] dbghelp: Translate the 32-bit ELF header to the 64-bit one.

[winesync]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=1983f47206975383907d2…

commit 1983f47206975383907d2c9d17360e2d3cfa98e5
Author:     winesync <ros-dev(a)reactos.org>
AuthorDate: Fri Sep 11 13:00:07 2020 +0200
Commit:     Jérôme Gardou <jerome.gardou(a)reactos.org>
CommitDate: Wed Sep 16 10:35:31 2020 +0200

    [WINESYNC] dbghelp: Translate the 32-bit ELF header to the 64-bit one.
    
    Signed-off-by: Zebediah Figura <zfigura(a)codeweavers.com>
    Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>
    
    wine commit id 799e0bfa57c4c2a7922c43031bd0d95c6add6a1a by Zebediah Figura
<zfigura(a)codeweavers.com>
---
 dll/win32/dbghelp/elf_module.c    | 29 +++++++++++++++++++++++++++--
 dll/win32/dbghelp/image_private.h |  4 +---
 sdk/tools/winesync/dbghelp.cfg    |  2 +-
 3 files changed, 29 insertions(+), 6 deletions(-)

diff --git a/dll/win32/dbghelp/elf_module.c b/dll/win32/dbghelp/elf_module.c
index d0b483abbcf..edf32b59f11 100644
--- a/dll/win32/dbghelp/elf_module.c
+++ b/dll/win32/dbghelp/elf_module.c
@@ -351,8 +351,33 @@ static BOOL elf_map_file(struct elf_map_file_data* emfd, struct
image_file_map*
 
     fmap->addr_size = e_ident[EI_CLASS] == ELFCLASS64 ? 64 : 32;
 
-    if (!elf_map_file_read(fmap, emfd, &fmap->u.elf.elfhdr,
sizeof(fmap->u.elf.elfhdr), 0))
-        goto done;
+    if (fmap->addr_size == 32)
+    {
+        Elf32_Ehdr elfhdr32;
+
+        if (!elf_map_file_read(fmap, emfd, &elfhdr32, sizeof(elfhdr32), 0))
+            goto done;
+
+        memcpy(fmap->u.elf.elfhdr.e_ident, elfhdr32.e_ident, EI_NIDENT);
+        fmap->u.elf.elfhdr.e_type      = elfhdr32.e_type;
+        fmap->u.elf.elfhdr.e_machine   = elfhdr32.e_machine;
+        fmap->u.elf.elfhdr.e_version   = elfhdr32.e_version;
+        fmap->u.elf.elfhdr.e_entry     = elfhdr32.e_entry;
+        fmap->u.elf.elfhdr.e_phoff     = elfhdr32.e_phoff;
+        fmap->u.elf.elfhdr.e_shoff     = elfhdr32.e_shoff;
+        fmap->u.elf.elfhdr.e_flags     = elfhdr32.e_flags;
+        fmap->u.elf.elfhdr.e_ehsize    = elfhdr32.e_ehsize;
+        fmap->u.elf.elfhdr.e_phentsize = elfhdr32.e_phentsize;
+        fmap->u.elf.elfhdr.e_phnum     = elfhdr32.e_phnum;
+        fmap->u.elf.elfhdr.e_shentsize = elfhdr32.e_shentsize;
+        fmap->u.elf.elfhdr.e_shnum     = elfhdr32.e_shnum;
+        fmap->u.elf.elfhdr.e_shstrndx  = elfhdr32.e_shstrndx;
+    }
+    else
+    {
+        if (!elf_map_file_read(fmap, emfd, &fmap->u.elf.elfhdr,
sizeof(fmap->u.elf.elfhdr), 0))
+            goto done;
+    }
 
     fmap->u.elf.sect = HeapAlloc(GetProcessHeap(), 0,
                                  fmap->u.elf.elfhdr.e_shnum *
sizeof(fmap->u.elf.sect[0]));
diff --git a/dll/win32/dbghelp/image_private.h b/dll/win32/dbghelp/image_private.h
index 96861040412..6c6da64f247 100644
--- a/dll/win32/dbghelp/image_private.h
+++ b/dll/win32/dbghelp/image_private.h
@@ -61,14 +61,12 @@ typedef struct section              macho_section;
 #if defined(__ELF__) && !defined(DBGHELP_STATIC_LIB)
 
 #ifdef _WIN64
-#define         Elf_Ehdr        Elf64_Ehdr
 #define         Elf_Shdr        Elf64_Shdr
 #define         Elf_Phdr        Elf64_Phdr
 #define         Elf_Dyn         Elf64_Dyn
 #define         Elf_Sym         Elf64_Sym
 #define         Elf_auxv_t      Elf64_auxv_t
 #else
-#define         Elf_Ehdr        Elf32_Ehdr
 #define         Elf_Shdr        Elf32_Shdr
 #define         Elf_Phdr        Elf32_Phdr
 #define         Elf_Dyn         Elf32_Dyn
@@ -99,7 +97,7 @@ struct image_file_map
             struct image_file_map*      alternate;      /* another ELF file (linked to
this one) */
             char*                       target_copy;
 #if defined(__ELF__) && !defined(DBGHELP_STATIC_LIB)
-            Elf_Ehdr                    elfhdr;
+            Elf64_Ehdr                  elfhdr;
             struct
             {
                 Elf_Shdr                        shdr;
diff --git a/sdk/tools/winesync/dbghelp.cfg b/sdk/tools/winesync/dbghelp.cfg
index 95dc6bc4fb4..69e8113da58 100644
--- a/sdk/tools/winesync/dbghelp.cfg
+++ b/sdk/tools/winesync/dbghelp.cfg
@@ -3,4 +3,4 @@ directories:
 files:
   include/dbghelp.h: sdk/include/psdk/dbghelp.h
 tags:
-  wine: a612f1f56fefd00ebe6d8f7bcf7c826f5aa85eab
+  wine: 799e0bfa57c4c2a7922c43031bd0d95c6add6a1a