[Mplayer-cvslog] CVS: main/loader ldt_keeper.c,1.11,1.12
Alex Beregszaszi
alex at mplayerhq.hu
Sat Sep 6 02:14:30 CEST 2003
Update of /cvsroot/mplayer/main/loader
In directory mail:/var/tmp.root/cvs-serv5586
Modified Files:
ldt_keeper.c
Log Message:
FreeBSD 5.0 (libkse/libthr) support by Dan Eischen <eischen at vigrid.com>
Index: ldt_keeper.c
===================================================================
RCS file: /cvsroot/mplayer/main/loader/ldt_keeper.c,v
retrieving revision 1.11
retrieving revision 1.12
diff -u -r1.11 -r1.12
--- ldt_keeper.c 17 Nov 2002 17:41:19 -0000 1.11
+++ ldt_keeper.c 6 Sep 2003 00:14:08 -0000 1.12
@@ -88,11 +88,16 @@
#define LDT_SEL(idx) ((idx) << 3 | 1 << 2 | 3)
/* i got this value from wine sources, it's the first free LDT entry */
+#if defined(__FreeBSD__) && defined(LDT_AUTO_ALLOC)
+#define TEB_SEL_IDX LDT_AUTO_ALLOC
+#endif
+
#ifndef TEB_SEL_IDX
#define TEB_SEL_IDX 17
#endif
-#define TEB_SEL LDT_SEL(TEB_SEL_IDX)
+static unsigned int fs_ldt = TEB_SEL_IDX;
+
/**
* here is a small logical problem with Restore for multithreaded programs -
@@ -104,8 +109,10 @@
#endif
void Setup_FS_Segment(void)
{
+ unsigned int ldt_desc = LDT_SEL(fs_ldt);
+
__asm__ __volatile__(
- "movl %0,%%eax; movw %%ax, %%fs" : : "i" (TEB_SEL)
+ "movl %0,%%eax; movw %%ax, %%fs" : : "r" (ldt_desc)
);
}
@@ -211,7 +218,13 @@
unsigned long d[2];
LDT_EntryToBytes( d, &array );
+#if defined(__FreeBSD__) && defined(LDT_AUTO_ALLOC)
+ ret = i386_set_ldt(LDT_AUTO_ALLOC, (union descriptor *)d, 1);
+ array.entry_number = ret;
+ fs_ldt = ret;
+#else
ret = i386_set_ldt(array.entry_number, (union descriptor *)d, 1);
+#endif
if (ret < 0)
{
perror("install_fs");
@@ -224,7 +237,7 @@
#if defined(__svr4__)
{
struct ssd ssd;
- ssd.sel = TEB_SEL;
+ ssd.sel = LDT_SEL(TEB_SEL_IDX);
ssd.bo = array.base_addr;
ssd.ls = array.limit - array.base_addr;
ssd.acc1 = ((array.read_exec_only == 0) << 1) |
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