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-rw-r--r--sys/i386/linux/linux_locore.s26
1 files changed, 26 insertions, 0 deletions
diff --git a/sys/i386/linux/linux_locore.s b/sys/i386/linux/linux_locore.s
new file mode 100644
index 0000000..1440218
--- /dev/null
+++ b/sys/i386/linux/linux_locore.s
@@ -0,0 +1,26 @@
+#include "linux_assym.h" /* system definitions */
+#include <machine/asmacros.h> /* miscellaneous asm macros */
+
+#include <i386/linux/linux_syscall.h> /* system call numbers */
+
+NON_GPROF_ENTRY(linux_sigcode)
+ call LINUX_SIGF_HANDLER(%esp)
+ leal LINUX_SIGF_SC(%esp),%ebx /* linux scp */
+ movl LINUX_SC_FS(%ebx),%ecx
+ movl LINUX_SC_GS(%ebx),%edx
+ movl %cx,%fs
+ movl %dx,%gs
+ push %eax /* fake ret addr */
+ movl $LINUX_SYS_linux_sigreturn,%eax /* linux_sigreturn() */
+ int $0x80 /* enter kernel with args on stack */
+ hlt /* never gets here */
+
+ .align 2 /* long word align */
+_linux_esigcode:
+
+ .data
+ .globl _linux_szsigcode
+_linux_szsigcode:
+ .long _linux_esigcode-_linux_sigcode
+
+ .text
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