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strace: Add FlagsTypeHandler for the mutex option flags.

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So that MUTEX_SHARED etc. are displayed in strace output.
Also fix indentation, and the name of the "toFlags" parameter
in syscall definitions.
This commit is contained in:
Augustin Cavalier
2024-09-16 15:36:12 -04:00
parent e1d0a30ed4
commit 2eb83002c5
2 changed files with 55 additions and 30 deletions
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headers/private/system/syscalls.h
+1 -1
View File
@@ -86,7 +86,7 @@ extern status_t _kern_mutex_lock(int32* mutex, const char* name,
uint32 flags, bigtime_t timeout); uint32 flags, bigtime_t timeout);
extern status_t _kern_mutex_unblock(int32* mutex, uint32 flags); extern status_t _kern_mutex_unblock(int32* mutex, uint32 flags);
extern status_t _kern_mutex_switch_lock(int32* fromMutex, uint32 fromFlags, extern status_t _kern_mutex_switch_lock(int32* fromMutex, uint32 fromFlags,
int32* toMutex, const char* name, uint32 toflags, int32* toMutex, const char* name, uint32 toFlags,
bigtime_t timeout); bigtime_t timeout);
extern status_t _kern_mutex_sem_acquire(int32* sem, const char* name, extern status_t _kern_mutex_sem_acquire(int32* sem, const char* name,
uint32 flags, bigtime_t timeout); uint32 flags, bigtime_t timeout);
src/bin/debug/strace/mutex.cpp
+27 -2
View File
@@ -25,7 +25,19 @@ static const FlagsTypeHandler::FlagInfo kMutexFlagsInfo[] = {
{ 0, NULL } { 0, NULL }
}; };
static const FlagsTypeHandler::FlagInfo kMutexOptionFlagsInfo[] = {
FLAG_INFO_ENTRY(B_RELATIVE_TIMEOUT),
FLAG_INFO_ENTRY(B_ABSOLUTE_TIMEOUT),
FLAG_INFO_ENTRY(B_TIMEOUT_REAL_TIME_BASE),
FLAG_INFO_ENTRY(B_USER_MUTEX_SHARED),
FLAG_INFO_ENTRY(B_USER_MUTEX_UNBLOCK_ALL),
{ 0, NULL }
};
static FlagsTypeHandler::FlagsList kMutexFlags; static FlagsTypeHandler::FlagsList kMutexFlags;
static FlagsTypeHandler::FlagsList kMutexOptionFlags;
class MutexTypeHandler : public FlagsTypeHandler { class MutexTypeHandler : public FlagsTypeHandler {
@@ -67,17 +79,30 @@ public:
void void
patch_mutex() patch_mutex()
{ {
for (int i = 0; kMutexFlagsInfo[i].name != NULL; i++) { for (int i = 0; kMutexFlagsInfo[i].name != NULL; i++)
kMutexFlags.push_back(kMutexFlagsInfo[i]); kMutexFlags.push_back(kMutexFlagsInfo[i]);
} for (int i = 0; kMutexOptionFlagsInfo[i].name != NULL; i++)
kMutexOptionFlags.push_back(kMutexOptionFlagsInfo[i]);
Syscall *mutex_lock = get_syscall("_kern_mutex_lock"); Syscall *mutex_lock = get_syscall("_kern_mutex_lock");
mutex_lock->GetParameter("mutex")->SetHandler(new MutexTypeHandler()); mutex_lock->GetParameter("mutex")->SetHandler(new MutexTypeHandler());
mutex_lock->GetParameter("flags")->SetHandler(new FlagsTypeHandler(kMutexOptionFlags));
Syscall *mutex_unlock = get_syscall("_kern_mutex_unblock"); Syscall *mutex_unlock = get_syscall("_kern_mutex_unblock");
mutex_unlock->GetParameter("mutex")->SetHandler(new MutexTypeHandler()); mutex_unlock->GetParameter("mutex")->SetHandler(new MutexTypeHandler());
mutex_unlock->GetParameter("flags")->SetHandler(new FlagsTypeHandler(kMutexOptionFlags));
Syscall *mutex_switch_lock = get_syscall("_kern_mutex_switch_lock"); Syscall *mutex_switch_lock = get_syscall("_kern_mutex_switch_lock");
mutex_switch_lock->GetParameter("fromMutex")->SetHandler(new MutexTypeHandler()); mutex_switch_lock->GetParameter("fromMutex")->SetHandler(new MutexTypeHandler());
mutex_switch_lock->GetParameter("fromFlags")->SetHandler(
new FlagsTypeHandler(kMutexOptionFlags));
mutex_switch_lock->GetParameter("toMutex")->SetHandler(new MutexTypeHandler()); mutex_switch_lock->GetParameter("toMutex")->SetHandler(new MutexTypeHandler());
mutex_switch_lock->GetParameter("toFlags")->SetHandler(
new FlagsTypeHandler(kMutexOptionFlags));
Syscall *mutex_sem_acquire = get_syscall("_kern_mutex_sem_acquire");
mutex_sem_acquire->GetParameter("flags")->SetHandler(new FlagsTypeHandler(kMutexOptionFlags));
Syscall *mutex_sem_release = get_syscall("_kern_mutex_sem_release");
mutex_sem_release->GetParameter("flags")->SetHandler(new FlagsTypeHandler(kMutexOptionFlags));
} }