5 commits

Author	SHA1	Message	Date
Itamar	f4418361c4	Userland: Add "functrace" utility ... functrace traces the function calls a program makes. It's like strace, but for userspace. It works by using Debugging functionality to insert breakpoints at call&ret instructions.	2020-04-16 11:17:33 +02:00
Itamar	c3faaeb9b9	Debugger: Breakpoints now persist after being tripped ... Previously, a breakpoint was removed after it was tripped. After a breakpoint trips, we have to undo the 'int3' patch from the instruction in order to continue the exceution. To make a breakpoint persist, we switch to "single step" mode, which stops the execution after a single instruction, and then we insert the breakpoint at the previous instruction. There is also some code that deals with an edge case where there are breakpoints in two consecutive instructions.	2020-04-13 23:20:59 +02:00
Itamar	e207de8449	LibELF: Add find_demangled_function ... Also, added AK::String::index_of and fixed a bug in ELF::Loader::symbol_ptr	2020-04-13 23:20:59 +02:00
Itamar	479348c9e7	Debugger: Add pledges	2020-04-13 00:53:22 +02:00
Itamar	3e9a7175d1	Debugger: Add DebugSession ... The DebugSession class wraps the usage of Ptrace. It is intended to be used by cli & gui debugger programs. Also, call objdump for disassemly	2020-04-13 00:53:22 +02:00