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Introduce s390_runtime_instr system call decoder

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* linux/s390/syscallent.h ([342]): Change decoder to s390_runtime_instr.
* linux/s390x/syscallent.h: Likewise.
* s390.c (SYS_FUNC(s390_runtime_instr)): New function.
* xlat/s390_runtime_instr_commands.in: New file.
This commit is contained in:
Eugene Syromyatnikov 2018-01-14 09:37:43 +01:00
parent 52970d343b
commit a0094a0ebd
4 changed files with 35 additions and 2 deletions
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2
linux/s390/syscallent.h
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@ -371,7 +371,7 @@
[339] = { 2, TD, SEN(setns), "setns" },
[340] = { 6, 0, SEN(process_vm_readv), "process_vm_readv" },
[341] = { 6, 0, SEN(process_vm_writev), "process_vm_writev" },
[342] = { 2, 0, SEN(printargs), "s390_runtime_instr" },
[342] = { 2, 0, SEN(s390_runtime_instr), "s390_runtime_instr" },
[343] = { 5, 0, SEN(kcmp), "kcmp" },
[344] = { 3, TD, SEN(finit_module), "finit_module" },
[345] = { 3, 0, SEN(sched_setattr), "sched_setattr" },

2
linux/s390x/syscallent.h
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@ -355,7 +355,7 @@
[339] = { 2, TD, SEN(setns), "setns" },
[340] = { 6, 0, SEN(process_vm_readv), "process_vm_readv" },
[341] = { 6, 0, SEN(process_vm_writev), "process_vm_writev" },
[342] = { 2, 0, SEN(printargs), "s390_runtime_instr" },
[342] = { 2, 0, SEN(s390_runtime_instr), "s390_runtime_instr" },
[343] = { 5, 0, SEN(kcmp), "kcmp" },
[344] = { 3, TD, SEN(finit_module), "finit_module" },
[345] = { 3, 0, SEN(sched_setattr), "sched_setattr" },

31
s390.c
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@ -36,6 +36,7 @@
#include "print_fields.h"
#include "xlat/s390_guarded_storage_commands.h"
#include "xlat/s390_runtime_instr_commands.h"
#include "xlat/s390_sthyi_function_codes.h"
/*
@ -1210,4 +1211,34 @@ SYS_FUNC(s390_guarded_storage)
return RVAL_DECODED;
}
SYS_FUNC(s390_runtime_instr)
{
int command = (int) tcp->u_arg[0];
int signum = (int) tcp->u_arg[1];
const char *command_descr =
xlookup(s390_runtime_instr_commands, command);
tprintf("%d", command);
tprints_comment(command_descr ? command_descr :
"S390_RUNTIME_INSTR_???");
/*
* signum is ignored since Linux 4.4, but let's print it for start
* command anyway.
*/
switch (command) {
case S390_RUNTIME_INSTR_START:
tprints(", ");
tprints(signame(signum));
break;
case S390_RUNTIME_INSTR_STOP:
default:
break;
}
return RVAL_DECODED;
}
#endif /* defined S390 || defined S390X */

2
xlat/s390_runtime_instr_commands.in Normal file
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@ -0,0 +1,2 @@
S390_RUNTIME_INSTR_START 0x1
S390_RUNTIME_INSTR_STOP 0x2