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strace: Add initial ioctl formatting

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This is useful in general, but adding it is what finally helped
uncovering #10438.
This commit is contained in:
Rodrigo Tobar 2021-10-11 22:18:55 +08:00 • committed by Brian Gianforcaro
parent a8e5130183
commit 78de54f0f1
1 changed files with 63 additions and 0 deletions
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63
Userland/Utilities/strace.cpp
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@ -19,6 +19,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/ptrace.h>
#include <sys/socket.h>
@ -123,6 +124,55 @@ HANDLE(SEEK_CUR)
HANDLE(SEEK_END)
END_VALUES_TO_NAMES()
VALUES_TO_NAMES(ioctl_request_name)
HANDLE(TIOCGPGRP)
HANDLE(TIOCSPGRP)
HANDLE(TCGETS)
HANDLE(TCSETS)
HANDLE(TCSETSW)
HANDLE(TCSETSF)
HANDLE(TCFLSH)
HANDLE(TIOCGWINSZ)
HANDLE(TIOCSCTTY)
HANDLE(TIOCSTI)
HANDLE(TIOCNOTTY)
HANDLE(TIOCSWINSZ)
HANDLE(FB_IOCTL_GET_SIZE_IN_BYTES)
HANDLE(FB_IOCTL_GET_RESOLUTION)
HANDLE(FB_IOCTL_SET_RESOLUTION)
HANDLE(FB_IOCTL_GET_BUFFER)
HANDLE(FB_IOCTL_GET_BUFFER_OFFSET)
HANDLE(FB_IOCTL_SET_BUFFER)
HANDLE(FB_IOCTL_FLUSH_BUFFERS)
HANDLE(KEYBOARD_IOCTL_GET_NUM_LOCK)
HANDLE(KEYBOARD_IOCTL_SET_NUM_LOCK)
HANDLE(KEYBOARD_IOCTL_GET_CAPS_LOCK)
HANDLE(KEYBOARD_IOCTL_SET_CAPS_LOCK)
HANDLE(SIOCSIFADDR)
HANDLE(SIOCGIFADDR)
HANDLE(SIOCGIFHWADDR)
HANDLE(SIOCGIFNETMASK)
HANDLE(SIOCSIFNETMASK)
HANDLE(SIOCGIFBRDADDR)
HANDLE(SIOCGIFMTU)
HANDLE(SIOCGIFFLAGS)
HANDLE(SIOCGIFCONF)
HANDLE(SIOCADDRT)
HANDLE(SIOCDELRT)
HANDLE(SIOCSARP)
HANDLE(SIOCDARP)
HANDLE(FIBMAP)
HANDLE(FIONBIO)
HANDLE(FIONREAD)
HANDLE(KCOV_SETBUFSIZE)
HANDLE(KCOV_ENABLE)
HANDLE(KCOV_DISABLE)
HANDLE(SOUNDCARD_IOCTL_SET_SAMPLE_RATE)
HANDLE(SOUNDCARD_IOCTL_GET_SAMPLE_RATE)
HANDLE(STORAGE_DEVICE_GET_SIZE)
HANDLE(STORAGE_DEVICE_GET_BLOCK_SIZE)
END_VALUES_TO_NAMES()
VALUES_TO_NAMES(domain_name)
HANDLE(AF_UNSPEC)
HANDLE(AF_UNIX)
@ -354,6 +404,16 @@ static void format_open(FormattedSyscallBuilder& builder, Syscall::SC_open_param
builder.add_argument("{:04o}", params.mode);
}
static void format_ioctl(FormattedSyscallBuilder& builder, int fd, unsigned request, void* arg)
{
builder.add_arguments(fd, ioctl_request_name(request));
if (request == FIONBIO) {
auto value = copy_from_process(reinterpret_cast<int*>(arg));
builder.add_argument(value);
} else
builder.add_argument(PointerArgument { arg });
}
namespace AK {
template<>
struct Formatter<struct timespec> : StandardFormatter {
@ -583,6 +643,9 @@ static void format_syscall(FormattedSyscallBuilder& builder, Syscall::Function s
case SC_open:
format_open(builder, (Syscall::SC_open_params*)arg1);
break;
case SC_ioctl:
format_ioctl(builder, (int)arg1, (unsigned)arg2, (void*)arg3);
break;
case SC_fstat:
format_fstat(builder, (int)arg1, (struct stat*)arg2);
result_type = Ssize;