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authorVladimir Azarov <avm@intermediate-node.net>2024-10-01 15:47:05 +0200
committerVladimir Azarov <avm@intermediate-node.net>2024-10-01 15:47:05 +0200
commit4abab5ad6c8465a7528ccdd5f49367da05f78bbd (patch)
treeebf009bf1376a5a223a915bc27cbbd791a1316bc /src/signal/x32
Initial version
Diffstat (limited to 'src/signal/x32')
-rw-r--r--src/signal/x32/getitimer.c7
-rw-r--r--src/signal/x32/restore.s8
-rw-r--r--src/signal/x32/setitimer.c7
-rw-r--r--src/signal/x32/sigsetjmp.s25
4 files changed, 47 insertions, 0 deletions
diff --git a/src/signal/x32/getitimer.c b/src/signal/x32/getitimer.c
new file mode 100644
index 0000000..8a8046a
--- /dev/null
+++ b/src/signal/x32/getitimer.c
@@ -0,0 +1,7 @@
+#include <sys/time.h>
+#include "syscall.h"
+
+int getitimer(int which, struct itimerval *old)
+{
+ return syscall(SYS_getitimer, which, old);
+}
diff --git a/src/signal/x32/restore.s b/src/signal/x32/restore.s
new file mode 100644
index 0000000..1117446
--- /dev/null
+++ b/src/signal/x32/restore.s
@@ -0,0 +1,8 @@
+ nop
+.global __restore_rt
+.hidden __restore_rt
+.type __restore_rt,@function
+__restore_rt:
+ mov $0x40000201, %rax /* SYS_rt_sigreturn */
+ syscall
+.size __restore_rt,.-__restore_rt
diff --git a/src/signal/x32/setitimer.c b/src/signal/x32/setitimer.c
new file mode 100644
index 0000000..21b1f45
--- /dev/null
+++ b/src/signal/x32/setitimer.c
@@ -0,0 +1,7 @@
+#include <sys/time.h>
+#include "syscall.h"
+
+int setitimer(int which, const struct itimerval *restrict new, struct itimerval *restrict old)
+{
+ return syscall(SYS_setitimer, which, new, old);
+}
diff --git a/src/signal/x32/sigsetjmp.s b/src/signal/x32/sigsetjmp.s
new file mode 100644
index 0000000..1f02b0e
--- /dev/null
+++ b/src/signal/x32/sigsetjmp.s
@@ -0,0 +1,25 @@
+.global sigsetjmp
+.global __sigsetjmp
+.type sigsetjmp,@function
+.type __sigsetjmp,@function
+sigsetjmp:
+__sigsetjmp:
+ test %esi,%esi
+ jz 1f
+
+ popq 64(%rdi)
+ mov %rbx,72+8(%rdi)
+ mov %rdi,%rbx
+
+ call setjmp@PLT
+
+ pushq 64(%rbx)
+ movl $0, 4(%rsp)
+ mov %rbx,%rdi
+ mov %eax,%esi
+ mov 72+8(%rbx),%rbx
+
+.hidden __sigsetjmp_tail
+ jmp __sigsetjmp_tail
+
+1: jmp setjmp@PLT