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dbghelp: Extend search for buildid in system directories.

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Search for files <buildid> and <buildid>.debug
Fedora (at least) now put the debug info here (instead
of /usr/lib/debug/.build). So search both directories.

Signed-off-by: Eric Pouech <epouech@codeweavers.com>
This commit is contained in:
Eric Pouech 2024-10-19 11:51:02 +02:00 committed by Eric Pouech
parent 67c1c3c255
commit 3e0eda8986
1 changed files with 53 additions and 42 deletions
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95
dlls/dbghelp/module.c
View file

@ -664,69 +664,80 @@ static WCHAR* append_hex(WCHAR* dst, const BYTE* id, const BYTE* end)
return dst;
}
/******************************************************************
* image_locate_build_id_target
*
* Try to find the .so file containing the debug info out of the build-id note information
*/
static struct image_file_map* image_locate_build_id_target(const BYTE* id, unsigned idlen)
static BOOL image_locate_build_id_target_in_dir(struct image_file_map *fmap_link, const BYTE* id, unsigned idlen, const WCHAR *from)
{
struct image_file_map* fmap_link = NULL;
DWORD sz;
WCHAR* p;
WCHAR* z;
size_t from_len = wcslen(from);
BOOL found = FALSE;
WCHAR *p, *z;
fmap_link = HeapAlloc(GetProcessHeap(), 0, sizeof(*fmap_link));
if (!fmap_link) return NULL;
p = malloc(sizeof(L"/usr/lib/debug/.build-id/") +
(idlen * 2 + 1) * sizeof(WCHAR) + sizeof(L".debug"));
if (!p) goto fail;
wcscpy(p, L"/usr/lib/debug/.build-id/");
z = p + wcslen(p);
if (idlen)
if ((p = malloc((from_len + idlen * 2 + 1) * sizeof(WCHAR) + sizeof(L".debug"))))
{
memcpy(p, from, from_len * sizeof(WCHAR));
z = p + from_len;
z = append_hex(z, id, id + 1);
if (idlen > 1)
{
*z++ = L'/';
z = append_hex(z, id + 1, id + idlen);
}
}
wcscpy(z, L".debug");
TRACE("checking %s\n", debugstr_w(p));
if (image_check_debug_link_gnu_id(p, fmap_link, id, idlen))
{
*z = L'\0';
TRACE("checking %s\n", debugstr_w(p));
found = image_check_debug_link_gnu_id(p, fmap_link, id, idlen);
if (!found)
{
wcscpy(z, L".debug");
TRACE("checking %s\n", debugstr_w(p));
found = image_check_debug_link_gnu_id(p, fmap_link, id, idlen);
}
free(p);
return fmap_link;
}
return found;
}
/******************************************************************
* image_locate_build_id_target
*
* Try to find an image file containing the debug info out of the build-id
* note information.
*/
static struct image_file_map* image_locate_build_id_target(const BYTE* id, unsigned idlen)
{
struct image_file_map* fmap_link;
DWORD sz;
if (!idlen) return NULL;
if (!(fmap_link = HeapAlloc(GetProcessHeap(), 0, sizeof(*fmap_link))))
return NULL;
if (image_locate_build_id_target_in_dir(fmap_link, id, idlen, L"/usr/lib/debug/.build-id/"))
return fmap_link;
if (image_locate_build_id_target_in_dir(fmap_link, id, idlen, L"/usr/lib/.build-id/"))
return fmap_link;
sz = GetEnvironmentVariableW(L"WINEHOMEDIR", NULL, 0);
if (sz)
{
z = realloc(p, sz * sizeof(WCHAR) +
sizeof(L"\\.cache\\debuginfod_client\\") +
idlen * 2 * sizeof(WCHAR) + sizeof(L"\\debuginfo") + 500);
if (!z) goto fail;
p = z;
GetEnvironmentVariableW(L"WINEHOMEDIR", p, sz);
z = p + sz - 1;
wcscpy(z, L"\\.cache\\debuginfod_client\\");
z += wcslen(z);
z = append_hex(z, id, id + idlen);
wcscpy(z, L"\\debuginfo");
TRACE("checking %ls\n", p);
if (image_check_debug_link_gnu_id(p, fmap_link, id, idlen))
WCHAR *p, *z;
p = malloc(sz * sizeof(WCHAR) +
sizeof(L"\\.cache\\debuginfod_client\\") +
idlen * 2 * sizeof(WCHAR) + sizeof(L"\\debuginfo") + 500);
if (p && GetEnvironmentVariableW(L"WINEHOMEDIR", p, sz) == sz - 1)
{
BOOL found;
wcscpy(p + sz - 1, L"\\.cache\\debuginfod_client\\");
z = p + wcslen(p);
z = append_hex(z, id, id + idlen);
wcscpy(z, L"\\debuginfo");
TRACE("checking %ls\n", p);
found = image_check_debug_link_gnu_id(p, fmap_link, id, idlen);
free(p);
return fmap_link;
if (found) return fmap_link;
}
}
TRACE("not found\n");
fail:
free(p);
HeapFree(GetProcessHeap(), 0, fmap_link);
return NULL;
}