Alexandre Julliard : loader: Define our own auxv structure.
Alexandre Julliard
julliard at winehq.org
Wed Feb 13 13:54:29 CST 2013
Module: wine
Branch: master
Commit: 3b8ab28c40f44350dd0228858cb6ccd8f1df384d
URL: http://source.winehq.org/git/wine.git/?a=commit;h=3b8ab28c40f44350dd0228858cb6ccd8f1df384d
Author: Alexandre Julliard <julliard at winehq.org>
Date: Wed Feb 13 16:26:39 2013 +0100
loader: Define our own auxv structure.
---
loader/preloader.c | 24 ++++++++++++++++--------
1 files changed, 16 insertions(+), 8 deletions(-)
diff --git a/loader/preloader.c b/loader/preloader.c
index ba43f0a..92fae74 100644
--- a/loader/preloader.c
+++ b/loader/preloader.c
@@ -158,6 +158,14 @@ struct wld_link_map {
ElfW(Addr) l_interp;
};
+struct wld_auxv
+{
+ ElfW(Addr) a_type;
+ union
+ {
+ ElfW(Addr) a_val;
+ } a_un;
+};
/*
* The __bb_init_func is an empty function only called when file is
@@ -540,7 +548,7 @@ static __attribute__((noreturn,format(printf,1,2))) void fatal_error(const char
* Dump interesting bits of the ELF auxv_t structure that is passed
* as the 4th parameter to the _start function
*/
-static void dump_auxiliary( ElfW(auxv_t) *av )
+static void dump_auxiliary( struct wld_auxv *av )
{
#define NAME(at) { at, #at }
static const struct { int val; const char *name; } names[] =
@@ -581,8 +589,8 @@ static void dump_auxiliary( ElfW(auxv_t) *av )
*
* Set the new auxiliary values
*/
-static void set_auxiliary_values( ElfW(auxv_t) *av, const ElfW(auxv_t) *new_av,
- const ElfW(auxv_t) *delete_av, void **stack )
+static void set_auxiliary_values( struct wld_auxv *av, const struct wld_auxv *new_av,
+ const struct wld_auxv *delete_av, void **stack )
{
int i, j, av_count = 0, new_count = 0, delete_count = 0;
char *src, *dst;
@@ -624,7 +632,7 @@ static void set_auxiliary_values( ElfW(auxv_t) *av, const ElfW(auxv_t) *new_av,
for (i = len - 1; i >= 0; i--) dst[i] = src[i];
}
*stack = dst;
- av = (ElfW(auxv_t) *)((char *)av + (dst - src));
+ av = (struct wld_auxv *)((char *)av + (dst - src));
/* now set the values */
for (j = 0; new_av[j].a_type != AT_NULL; j++)
@@ -650,7 +658,7 @@ static void set_auxiliary_values( ElfW(auxv_t) *av, const ElfW(auxv_t) *new_av,
*
* Get a field of the auxiliary structure
*/
-static int get_auxiliary( ElfW(auxv_t) *av, int type, int def_val )
+static int get_auxiliary( struct wld_auxv *av, int type, int def_val )
{
for ( ; av->a_type != AT_NULL; av++)
if( av->a_type == type ) return av->a_un.a_val;
@@ -1110,7 +1118,7 @@ static void remove_preload_range( int i )
*
* Check if address of the given aux value is in one of the reserved ranges
*/
-static int is_in_preload_range( const ElfW(auxv_t) *av, int type )
+static int is_in_preload_range( const struct wld_auxv *av, int type )
{
while (av->a_type != AT_NULL)
{
@@ -1153,7 +1161,7 @@ void* wld_start( void **stack )
long i, *pargc;
char **argv, **p;
char *interp, *reserve = NULL;
- ElfW(auxv_t) new_av[12], delete_av[3], *av;
+ struct wld_auxv new_av[12], delete_av[3], *av;
struct wld_link_map main_binary_map, ld_so_map;
struct wine_preload_info **wine_main_preload_info;
@@ -1172,7 +1180,7 @@ void* wld_start( void **stack )
p++;
}
- av = (ElfW(auxv_t)*) (p+1);
+ av = (struct wld_auxv *)(p+1);
page_size = get_auxiliary( av, AT_PAGESZ, 4096 );
page_mask = page_size - 1;
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