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FreeBSD 5.0 (libkse/libthr) support by Dan Eischen <eischen@vigrid.com> 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@10822 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
alex 2003-09-06 00:14:08 +00:00
parent 7f086bc51b
commit 16816457b8
1 changed files with 16 additions and 3 deletions
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19
loader/ldt_keeper.c
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@ -88,11 +88,16 @@ struct modify_ldt_ldt_s {
#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 @@ extern "C"
#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 @@ ldt_fs_t* Setup_LDT_Keeper(void)
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 @@ ldt_fs_t* Setup_LDT_Keeper(void)
#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) |