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sh: Add support for tracing sys_cacheflush system call

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* linux/sh/syscallent.h: Update sys_cacheflush entry.
* linux/syscall.h [SH] (sys_cacheflush): New function declaration.
* system.c [SH] (cacheflush_flags): New xlat structure.
[SH] (sys_cacheflush): New function.

Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
Reviewed-by: Angelo Castello <angelo.castello@st.com>
This commit is contained in:
Carmelo AMOROSO 2010-12-01 14:27:07 +01:00 committed by Dmitry V. Levin
parent b1467440f7
commit f8e5650474
3 changed files with 34 additions and 2 deletions
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2
linux/sh/syscallent.h
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@ -153,7 +153,7 @@
{ 5, TP, sys_clone, "clone" }, /* 120 */
{ 2, 0, sys_setdomainname, "setdomainname" }, /* 121 */
{ 1, 0, sys_uname, "uname" }, /* 122 */
{ 3, 0, printargs, "cacheflush" }, /* 123 */
{ 3, 0, sys_cacheflush, "cacheflush" }, /* 123 */
{ 1, 0, sys_adjtimex, "adjtimex" }, /* 124 */
{ 3, 0, sys_mprotect, "mprotect" }, /* 125 */
{ 3, TS, sys_sigprocmask, "sigprocmask" }, /* 126 */

2
linux/syscall.h
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@ -322,7 +322,7 @@ int sys_sysmips();
int sys_setpgrp(), sys_gethostname(), sys_getdtablesize(), sys_utimes();
int sys_capget(), sys_capset();
#ifdef M68K
#if defined M68K || defined SH
int sys_cacheflush();
#endif

32
system.c
View File

@ -343,6 +343,38 @@ sys_cacheflush(struct tcb *tcp)
#endif
#ifdef SH
static const struct xlat cacheflush_flags[] = {
#ifdef CACHEFLUSH_D_INVAL
{ CACHEFLUSH_D_INVAL, "CACHEFLUSH_D_INVAL" },
#endif
#ifdef CACHEFLUSH_D_WB
{ CACHEFLUSH_D_WB, "CACHEFLUSH_D_WB" },
#endif
#ifdef CACHEFLUSH_D_PURGE
{ CACHEFLUSH_D_PURGE, "CACHEFLUSH_D_PURGE" },
#endif
#ifdef CACHEFLUSH_I
{ CACHEFLUSH_I, "CACHEFLUSH_I" },
#endif
{ 0, NULL },
};
int
sys_cacheflush(struct tcb *tcp)
{
if (entering(tcp)) {
/* addr */
tprintf("%#lx, ", tcp->u_arg[0]);
/* len */
tprintf("%lu, ", tcp->u_arg[1]);
/* flags */
printflags(cacheflush_flags, tcp->u_arg[2], "CACHEFLUSH_???");
}
return 0;
}
#endif /* SH */
#endif /* LINUX */
#ifdef SUNOS4