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https://github.com/RGBCube/serenity
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strace: Propagate errors
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parent
bb062e50b0
commit
e8e1d1905e
1 changed files with 27 additions and 20 deletions
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@ -448,10 +448,11 @@ static void format_getrandom(FormattedSyscallBuilder& builder, void* buffer, siz
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builder.add_arguments(buffer, size, flags);
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}
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static void format_realpath(FormattedSyscallBuilder& builder, Syscall::SC_realpath_params* params_p, size_t length)
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static ErrorOr<void> format_realpath(FormattedSyscallBuilder& builder, Syscall::SC_realpath_params* params_p, size_t length)
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{
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auto params = copy_from_process(params_p).release_value_but_fixme_should_propagate_errors();
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auto params = TRY(copy_from_process(params_p));
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builder.add_arguments(StringArgument { params.path }, StringArgument { { params.buffer.data, min(params.buffer.size, length) } });
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return {};
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}
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static void format_exit(FormattedSyscallBuilder& builder, int status)
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@ -468,9 +469,9 @@ struct OpenOptions : BitflagBase {
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};
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};
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static void format_open(FormattedSyscallBuilder& builder, Syscall::SC_open_params* params_p)
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static ErrorOr<void> format_open(FormattedSyscallBuilder& builder, Syscall::SC_open_params* params_p)
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{
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auto params = copy_from_process(params_p).release_value_but_fixme_should_propagate_errors();
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auto params = TRY(copy_from_process(params_p));
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if (params.dirfd == AT_FDCWD)
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builder.add_argument("AT_FDCWD");
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@ -481,6 +482,7 @@ static void format_open(FormattedSyscallBuilder& builder, Syscall::SC_open_param
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if (params.options & O_CREAT)
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builder.add_argument("{:04o}", params.mode);
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return {};
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}
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static void format_ioctl(FormattedSyscallBuilder& builder, int fd, unsigned request, void* arg)
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@ -544,14 +546,15 @@ static void format_fstat(FormattedSyscallBuilder& builder, int fd, struct stat*
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builder.add_arguments(fd, buf);
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}
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static void format_stat(FormattedSyscallBuilder& builder, Syscall::SC_stat_params* params_p)
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static ErrorOr<void> format_stat(FormattedSyscallBuilder& builder, Syscall::SC_stat_params* params_p)
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{
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auto params = copy_from_process(params_p).release_value_but_fixme_should_propagate_errors();
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auto params = TRY(copy_from_process(params_p));
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if (params.dirfd == AT_FDCWD)
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builder.add_argument("AT_FDCWD");
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else
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builder.add_argument(params.dirfd);
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builder.add_arguments(StringArgument { params.path }, copy_from_process(params.statbuf), params.follow_symlinks);
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return {};
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}
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static void format_lseek(FormattedSyscallBuilder& builder, int fd, off_t offset, int whence)
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@ -574,15 +577,16 @@ static void format_close(FormattedSyscallBuilder& builder, int fd)
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builder.add_arguments(fd);
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}
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static void format_poll(FormattedSyscallBuilder& builder, Syscall::SC_poll_params* params_p)
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static ErrorOr<void> format_poll(FormattedSyscallBuilder& builder, Syscall::SC_poll_params* params_p)
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{
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// TODO: format fds and sigmask properly
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auto params = copy_from_process(params_p).release_value_but_fixme_should_propagate_errors();
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auto params = TRY(copy_from_process(params_p));
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builder.add_arguments(
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params.nfds,
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PointerArgument { params.fds },
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copy_from_process(params.timeout),
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PointerArgument { params.sigmask });
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return {};
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}
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namespace AK {
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@ -652,10 +656,11 @@ struct MemoryProtectionFlags : BitflagBase {
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static constexpr StringView default_ = "PROT_NONE"sv;
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};
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static void format_mmap(FormattedSyscallBuilder& builder, Syscall::SC_mmap_params* params_p)
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static ErrorOr<void> format_mmap(FormattedSyscallBuilder& builder, Syscall::SC_mmap_params* params_p)
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{
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auto params = copy_from_process(params_p).release_value_but_fixme_should_propagate_errors();
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auto params = TRY(copy_from_process(params_p));
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builder.add_arguments(params.addr, params.size, MemoryProtectionFlags { params.prot }, MmapFlags { params.flags }, params.fd, params.offset, params.alignment, StringArgument { params.name });
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return {};
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}
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static void format_munmap(FormattedSyscallBuilder& builder, void* addr, size_t size)
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@ -668,10 +673,11 @@ static void format_mprotect(FormattedSyscallBuilder& builder, void* addr, size_t
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builder.add_arguments(addr, size, MemoryProtectionFlags { prot });
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}
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static void format_set_mmap_name(FormattedSyscallBuilder& builder, Syscall::SC_set_mmap_name_params* params_p)
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static ErrorOr<void> format_set_mmap_name(FormattedSyscallBuilder& builder, Syscall::SC_set_mmap_name_params* params_p)
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{
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auto params = copy_from_process(params_p).release_value_but_fixme_should_propagate_errors();
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auto params = TRY(copy_from_process(params_p));
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builder.add_arguments(params.addr, params.size, StringArgument { params.name });
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return {};
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}
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static void format_clock_gettime(FormattedSyscallBuilder& builder, clockid_t clockid, struct timespec* time)
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@ -689,7 +695,7 @@ static void format_get_process_name(FormattedSyscallBuilder& builder, char* buff
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builder.add_argument(StringArgument { { buffer, buffer_size }, "\0"sv });
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}
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static void format_syscall(FormattedSyscallBuilder& builder, Syscall::Function syscall_function, syscall_arg_t arg1, syscall_arg_t arg2, syscall_arg_t arg3, syscall_arg_t res)
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static ErrorOr<void> format_syscall(FormattedSyscallBuilder& builder, Syscall::Function syscall_function, syscall_arg_t arg1, syscall_arg_t arg2, syscall_arg_t arg3, syscall_arg_t res)
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{
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enum ResultType {
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Int,
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@ -737,7 +743,7 @@ static void format_syscall(FormattedSyscallBuilder& builder, Syscall::Function s
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format_lseek(builder, (int)arg1, (off_t)arg2, (int)arg3);
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break;
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case SC_mmap:
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format_mmap(builder, (Syscall::SC_mmap_params*)arg1);
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TRY(format_mmap(builder, (Syscall::SC_mmap_params*)arg1));
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result_type = VoidP;
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break;
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case SC_mprotect:
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@ -747,30 +753,30 @@ static void format_syscall(FormattedSyscallBuilder& builder, Syscall::Function s
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format_munmap(builder, (void*)arg1, (size_t)arg2);
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break;
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case SC_open:
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format_open(builder, (Syscall::SC_open_params*)arg1);
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TRY(format_open(builder, (Syscall::SC_open_params*)arg1));
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break;
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case SC_poll:
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format_poll(builder, (Syscall::SC_poll_params*)arg1);
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TRY(format_poll(builder, (Syscall::SC_poll_params*)arg1));
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break;
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case SC_read:
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format_read(builder, (int)arg1, (void*)arg2, (size_t)arg3);
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result_type = Ssize;
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break;
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case SC_realpath:
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format_realpath(builder, (Syscall::SC_realpath_params*)arg1, (size_t)res);
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TRY(format_realpath(builder, (Syscall::SC_realpath_params*)arg1, (size_t)res));
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break;
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case SC_recvmsg:
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format_recvmsg(builder, (int)arg1, (struct msghdr*)arg2, (int)arg3);
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result_type = Ssize;
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break;
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case SC_set_mmap_name:
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format_set_mmap_name(builder, (Syscall::SC_set_mmap_name_params*)arg1);
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TRY(format_set_mmap_name(builder, (Syscall::SC_set_mmap_name_params*)arg1));
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break;
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case SC_socket:
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format_socket(builder, (int)arg1, (int)arg2, (int)arg3);
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break;
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case SC_stat:
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format_stat(builder, (Syscall::SC_stat_params*)arg1);
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TRY(format_stat(builder, (Syscall::SC_stat_params*)arg1));
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break;
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case SC_write:
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format_write(builder, (int)arg1, (void*)arg2, (size_t)arg3);
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@ -803,6 +809,7 @@ static void format_syscall(FormattedSyscallBuilder& builder, Syscall::Function s
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builder.format_result();
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break;
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}
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return {};
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}
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ErrorOr<int> serenity_main(Main::Arguments arguments)
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@ -923,7 +930,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
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continue;
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FormattedSyscallBuilder builder(syscall_name);
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format_syscall(builder, syscall_function, arg1, arg2, arg3, res);
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TRY(format_syscall(builder, syscall_function, arg1, arg2, arg3, res));
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TRY(trace_file->write(builder.string_view().bytes()));
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}
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