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sim: callback: extend syscall interface to handle 7 args

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The Linux syscall interface, depending on architecture, handles up to
7 arguments.  Extend the callback API to handle those.
This commit is contained in:
Mike Frysinger 2021-06-24 00:14:15 -04:00
parent 22c6cfe9c8
commit bdedb2d21b
6 changed files with 22 additions and 5 deletions
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5
include/sim/ChangeLog
View file

@ -1,3 +1,8 @@
2021-06-24 Mike Frysinger <vapier@gentoo.org>
* sim/callback.h (struct host_callback_struct): Add arg5, arg6, and
arg7.
2021-06-23 Mike Frysinger <vapier@gentoo.org> 2021-06-23 Mike Frysinger <vapier@gentoo.org>
* sim/callback.h (struct host_callback_struct): Add kill. * sim/callback.h (struct host_callback_struct): Add kill.

2
include/sim/callback.h
View file

@ -241,7 +241,7 @@ typedef struct cb_syscall {
/* The target's value of what system call to perform. */ /* The target's value of what system call to perform. */
int func; int func;
/* The arguments to the syscall. */ /* The arguments to the syscall. */
long arg1, arg2, arg3, arg4; long arg1, arg2, arg3, arg4, arg5, arg6, arg7;
/* The result. */ /* The result. */
long result; long result;

4
sim/bfin/ChangeLog
View file

@ -1,3 +1,7 @@
2021-06-24 Mike Frysinger <vapier@gentoo.org>
* interp.c (bfin_syscall): Set sc.arg5 & sc.arg6.
2021-06-22 Mike Frysinger <vapier@gentoo.org> 2021-06-22 Mike Frysinger <vapier@gentoo.org>
* configure: Regenerate. * configure: Regenerate.

8
sim/bfin/interp.c
View file

@ -120,8 +120,8 @@ bfin_syscall (SIM_CPU *cpu)
sc.arg2 = args[1] = DREG (1); sc.arg2 = args[1] = DREG (1);
sc.arg3 = args[2] = DREG (2); sc.arg3 = args[2] = DREG (2);
sc.arg4 = args[3] = DREG (3); sc.arg4 = args[3] = DREG (3);
/*sc.arg5 =*/ args[4] = DREG (4); sc.arg5 = args[4] = DREG (4);
/*sc.arg6 =*/ args[5] = DREG (5); sc.arg6 = args[5] = DREG (5);
} }
else else
{ {
@ -131,8 +131,8 @@ bfin_syscall (SIM_CPU *cpu)
sc.arg2 = args[1] = GET_LONG (DREG (0) + 4); sc.arg2 = args[1] = GET_LONG (DREG (0) + 4);
sc.arg3 = args[2] = GET_LONG (DREG (0) + 8); sc.arg3 = args[2] = GET_LONG (DREG (0) + 8);
sc.arg4 = args[3] = GET_LONG (DREG (0) + 12); sc.arg4 = args[3] = GET_LONG (DREG (0) + 12);
/*sc.arg5 =*/ args[4] = GET_LONG (DREG (0) + 16); sc.arg5 = args[4] = GET_LONG (DREG (0) + 16);
/*sc.arg6 =*/ args[5] = GET_LONG (DREG (0) + 20); sc.arg6 = args[5] = GET_LONG (DREG (0) + 20);
} }
sc.p1 = (PTR) sd; sc.p1 = (PTR) sd;
sc.p2 = (PTR) cpu; sc.p2 = (PTR) cpu;

4
sim/m32r/ChangeLog
View file

@ -1,3 +1,7 @@
2021-06-24 Mike Frysinger <vapier@gentoo.org>
* traps-linux.c (m32r_trap): Set s.arg4, s.arg5, s.arg6, and s.arg7.
2021-06-22 Mike Frysinger <vapier@gentoo.org> 2021-06-22 Mike Frysinger <vapier@gentoo.org>
* configure: Regenerate. * configure: Regenerate.

4
sim/m32r/traps-linux.c
View file

@ -252,6 +252,10 @@ m32r_trap (SIM_CPU *current_cpu, PCADDR pc, int num)
s.arg1 = arg1; s.arg1 = arg1;
s.arg2 = arg2; s.arg2 = arg2;
s.arg3 = arg3; s.arg3 = arg3;
s.arg4 = arg4;
s.arg5 = arg5;
s.arg6 = arg6;
s.arg7 = arg7;
s.p1 = (PTR) sd; s.p1 = (PTR) sd;
s.p2 = (PTR) current_cpu; s.p2 = (PTR) current_cpu;