mirror of
https://github.com/tobast/libunwind-eh_elf.git
synced 2024-11-05 01:09:27 +01:00
Save FPU state when saving context. For XMM-capable CPUs only (for now).
This commit is contained in:
parent
117ccd246d
commit
9fe75c7d93
1 changed files with 4 additions and 6 deletions
|
@ -103,12 +103,10 @@ _Ux86_getcontext:
|
|||
FREEBSD_UC_MCONTEXT_OWNEDFP_OFF(%eax)
|
||||
movl $FREEBSD_UC_MCONTEXT_FPFMT_XMM,\
|
||||
FREEBSD_UC_MCONTEXT_FPFORMAT_OFF(%eax)
|
||||
/*
|
||||
leal LINUX_UC_FPREGS_MEM_OFF(%eax), %ecx
|
||||
movl %ecx, (LINUX_UC_MCONTEXT_OFF+LINUX_SC_FPSTATE_OFF)(%eax)
|
||||
fnstenv (%ecx)
|
||||
fldenv (%ecx)
|
||||
*/
|
||||
|
||||
/* Require CPU with fxsave implemented, and enabled by OS. */
|
||||
fxsave FREEBSD_UC_MCONTEXT_FPSTATE_OFF(%eax)
|
||||
|
||||
movl $FREEBSD_UC_MCONTEXT_MC_LEN_VAL,\
|
||||
FREEBSD_UC_MCONTEXT_MC_LEN_OFF(%eax)
|
||||
#endif
|
||||
|
|
Loading…
Reference in a new issue