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Diffstat (limited to 'src/internal/i386/syscall.s')
-rw-r--r--src/internal/i386/syscall.s74
1 files changed, 58 insertions, 16 deletions
diff --git a/src/internal/i386/syscall.s b/src/internal/i386/syscall.s
index 327d4cc0..79296ba0 100644
--- a/src/internal/i386/syscall.s
+++ b/src/internal/i386/syscall.s
@@ -1,20 +1,62 @@
+.hidden __sysinfo
+
+.global __vsyscall
+.type __vsyscall,@function
+__vsyscall:
+ push %edi
+ push %ebx
+ mov %edx,%ebx
+ mov %edi,%edx
+ mov 12(%esp),%edi
+ push %eax
+ call 1f
+2: pop %ebx
+ pop %ebx
+ pop %edi
+ ret
+
+1: mov (%esp),%eax
+ add $[__sysinfo-2b],%eax
+ mov (%eax),%eax
+ test %eax,%eax
+ jz 1f
+ push %eax
+ mov 8(%esp),%eax
+ ret
+1: mov 4(%esp),%eax
+ int $128
+ ret
+
+.global __vsyscall6
+.type __vsyscall6,@function
+__vsyscall6:
+ push %ebp
+ push %eax
+ mov 12(%esp), %ebp
+ mov (%ebp), %eax
+ mov 4(%ebp), %ebp
+ push %eax
+ mov 4(%esp),%eax
+ call __vsyscall
+ pop %ebp
+ pop %ebp
+ pop %ebp
+ ret
+
.global __syscall
.type __syscall,@function
__syscall:
- pushl %ebx
- pushl %esi
- pushl %edi
- pushl %ebp
- movl 20(%esp),%eax
- movl 24(%esp),%ebx
- movl 28(%esp),%ecx
- movl 32(%esp),%edx
- movl 36(%esp),%esi
- movl 40(%esp),%edi
- movl 44(%esp),%ebp
- int $128
- popl %ebp
- popl %edi
- popl %esi
- popl %ebx
+ lea 24(%esp),%eax
+ push %esi
+ push %edi
+ push %eax
+ mov 16(%esp),%eax
+ mov 20(%esp),%edx
+ mov 24(%esp),%ecx
+ mov 28(%esp),%edi
+ mov 32(%esp),%esi
+ call __vsyscall6
+ pop %edi
+ pop %edi
+ pop %esi
ret