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Code Issues Releases Wiki Activity

GP-5163: Read stack at $sp-1 for 2, for negative stack growth.

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This commit is contained in:
Dan 2024-12-02 09:44:28 -05:00
parent 954ff4e124
commit 83a9feedbe
3 changed files with 17 additions and 17 deletions
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4
Ghidra/Debug/Debugger-agent-dbgeng/src/main/py/src/ghidradbg/hooks.py
View file

@ -77,8 +77,8 @@ class ProcessState(object):
commands.putreg()
commands.putmem('0x{:x}'.format(util.get_pc()),
"1", display_result=False)
commands.putmem('0x{:x}'.format(util.get_sp()),
"1", display_result=False)
commands.putmem('0x{:x}'.format(util.get_sp()-1),
"2", display_result=False)
commands.put_frames()
self.visited.add(thread)
frame = util.selected_frame()

2
Ghidra/Debug/Debugger-agent-gdb/src/main/py/src/ghidragdb/hooks.py
View file

@ -101,7 +101,7 @@ class InferiorState(object):
except gdb.MemoryError as e:
print(f"Couldn't record page with PC: {e}")
try:
commands.putmem("$sp", "1", from_tty=False)
commands.putmem("$sp-1", "2", from_tty=False)
except gdb.MemoryError as e:
print(f"Couldn't record page with SP: {e}")
self.visited.add(hashable_frame)

2
Ghidra/Debug/Debugger-agent-lldb/src/main/py/src/ghidralldb/hooks.py
View file

@ -80,7 +80,7 @@ class ProcessState(object):
except BaseException as e:
print(f"Couldn't record page with PC: {e}")
try:
commands.putmem("$sp", "1", result=None)
commands.putmem("$sp-1", "2", result=None)
except BaseException as e:
print(f"Couldn't record page with SP: {e}")
self.visited.add(hashable_frame)