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functrace: use Core::ArgsParser

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Itamar 2020-05-23 22:10:45 +03:00 • committed by Andreas Kling
parent bedce69b23
commit 10bdb6f33b
1 changed files with 9 additions and 16 deletions
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25
Userland/functrace.cpp
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@ -34,6 +34,7 @@
#include <AK/kmalloc.h> #include <AK/kmalloc.h>
#include <Kernel/Syscall.h> #include <Kernel/Syscall.h>
#include <LibC/sys/arch/i386/regs.h> #include <LibC/sys/arch/i386/regs.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/File.h> #include <LibCore/File.h>
#include <LibDebug/DebugSession.h> #include <LibDebug/DebugSession.h>
#include <LibELF/Image.h> #include <LibELF/Image.h>
@ -46,12 +47,6 @@
#include <string.h> #include <string.h>
#include <unistd.h> #include <unistd.h>
static int usage()
{
printf("usage: functrace [command...]\n");
return 1;
}
OwnPtr<DebugSession> g_debug_session; OwnPtr<DebugSession> g_debug_session;
static void handle_sigint(int) static void handle_sigint(int)
@ -120,18 +115,16 @@ int main(int argc, char** argv)
return 1; return 1;
} }
if (argc == 1) const char* command = nullptr;
return usage(); Core::ArgsParser args_parser;
args_parser.add_positional_argument(command,
"The program to be traced, along with its arguments",
"program", Core::ArgsParser::Required::Yes);
args_parser.parse(argc, argv);
StringBuilder command; auto result = DebugSession::exec_and_attach(command);
command.append(argv[1]);
for (int i = 2; i < argc; ++i) {
command.appendf("%s ", argv[i]);
}
auto result = DebugSession::exec_and_attach(command.to_string());
if (!result) { if (!result) {
fprintf(stderr, "Failed to start debugging session for: \"%s\"\n", command.to_string().characters()); fprintf(stderr, "Failed to start debugging session for: \"%s\"\n", command);
exit(1); exit(1);
} }
g_debug_session = result.release_nonnull(); g_debug_session = result.release_nonnull();