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Diffstat (limited to 'sys/i386/linux/linux_sysvec.c')
-rw-r--r--sys/i386/linux/linux_sysvec.c54
1 files changed, 36 insertions, 18 deletions
diff --git a/sys/i386/linux/linux_sysvec.c b/sys/i386/linux/linux_sysvec.c
index 3f0c6f4..364cc0c 100644
--- a/sys/i386/linux/linux_sysvec.c
+++ b/sys/i386/linux/linux_sysvec.c
@@ -102,8 +102,6 @@ static int linux_fixup(register_t **stack_base,
struct image_params *iparams);
static int elf_linux_fixup(register_t **stack_base,
struct image_params *iparams);
-static void linux_prepsyscall(struct trapframe *tf, int *args, u_int *code,
- caddr_t *params);
static void linux_sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask);
static void exec_linux_setregs(struct thread *td,
struct image_params *imgp, u_long stack);
@@ -864,19 +862,33 @@ linux_rt_sigreturn(struct thread *td, struct linux_rt_sigreturn_args *args)
return (EJUSTRETURN);
}
-/*
- * MPSAFE
- */
-static void
-linux_prepsyscall(struct trapframe *tf, int *args, u_int *code, caddr_t *params)
+static int
+linux_fetch_syscall_args(struct thread *td, struct syscall_args *sa)
{
- args[0] = tf->tf_ebx;
- args[1] = tf->tf_ecx;
- args[2] = tf->tf_edx;
- args[3] = tf->tf_esi;
- args[4] = tf->tf_edi;
- args[5] = tf->tf_ebp; /* Unconfirmed */
- *params = NULL; /* no copyin */
+ struct proc *p;
+ struct trapframe *frame;
+
+ p = td->td_proc;
+ frame = td->td_frame;
+
+ sa->code = frame->tf_eax;
+ sa->args[0] = frame->tf_ebx;
+ sa->args[1] = frame->tf_ecx;
+ sa->args[2] = frame->tf_edx;
+ sa->args[3] = frame->tf_esi;
+ sa->args[4] = frame->tf_edi;
+ sa->args[5] = frame->tf_ebp; /* Unconfirmed */
+
+ if (sa->code >= p->p_sysent->sv_size)
+ sa->callp = &p->p_sysent->sv_table[0];
+ else
+ sa->callp = &p->p_sysent->sv_table[sa->code];
+ sa->narg = sa->callp->sy_narg;
+
+ td->td_retval[0] = 0;
+ td->td_retval[1] = frame->tf_edx;
+
+ return (0);
}
/*
@@ -972,7 +984,7 @@ struct sysentvec linux_sysvec = {
.sv_sendsig = linux_sendsig,
.sv_sigcode = linux_sigcode,
.sv_szsigcode = &linux_szsigcode,
- .sv_prepsyscall = linux_prepsyscall,
+ .sv_prepsyscall = NULL,
.sv_name = "Linux a.out",
.sv_coredump = NULL,
.sv_imgact_try = exec_linux_imgact_try,
@@ -987,7 +999,10 @@ struct sysentvec linux_sysvec = {
.sv_setregs = exec_linux_setregs,
.sv_fixlimit = NULL,
.sv_maxssiz = NULL,
- .sv_flags = SV_ABI_LINUX | SV_AOUT | SV_IA32 | SV_ILP32
+ .sv_flags = SV_ABI_LINUX | SV_AOUT | SV_IA32 | SV_ILP32,
+ .sv_set_syscall_retval = cpu_set_syscall_retval,
+ .sv_fetch_syscall_args = linux_fetch_syscall_args,
+ .sv_syscallnames = NULL,
};
struct sysentvec elf_linux_sysvec = {
@@ -1003,7 +1018,7 @@ struct sysentvec elf_linux_sysvec = {
.sv_sendsig = linux_sendsig,
.sv_sigcode = linux_sigcode,
.sv_szsigcode = &linux_szsigcode,
- .sv_prepsyscall = linux_prepsyscall,
+ .sv_prepsyscall = NULL,
.sv_name = "Linux ELF",
.sv_coredump = elf32_coredump,
.sv_imgact_try = exec_linux_imgact_try,
@@ -1018,7 +1033,10 @@ struct sysentvec elf_linux_sysvec = {
.sv_setregs = exec_linux_setregs,
.sv_fixlimit = NULL,
.sv_maxssiz = NULL,
- .sv_flags = SV_ABI_LINUX | SV_IA32 | SV_ILP32
+ .sv_flags = SV_ABI_LINUX | SV_IA32 | SV_ILP32,
+ .sv_set_syscall_retval = cpu_set_syscall_retval,
+ .sv_fetch_syscall_args = linux_fetch_syscall_args,
+ .sv_syscallnames = NULL,
};
static char GNU_ABI_VENDOR[] = "GNU";
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