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| author | Tom Tromey <tromey@adacore.com> | 2021-09-08 08:20:29 -0600 |
|---|---|---|
| committer | Tom Tromey <tromey@adacore.com> | 2022-06-07 09:59:41 -0600 |
| commit | bcb9251f029da8dcf360a4f5acfa3b4211c87bb0 (patch) | |
| tree | c56395b22b1c8ceb3ef8d010c61a4e14c9ee5295 /gdb/windows-nat.c | |
| parent | 8fea1a81c7d9279a6f91e49ebacfb61e0f8ce008 (diff) | |
| download | binutils-gdb-bcb9251f029da8dcf360a4f5acfa3b4211c87bb0.tar.gz | |
Allow ASLR to be disabled on Windows
On Windows, it is possible to disable ASLR when creating a process.
This patch adds code to do this, and hooks it up to gdb's existing
disable-randomization feature. Because the Windows documentation
cautions that this isn't available on all versions of Windows, the
CreateProcess wrapper function is updated to make the attempt, and
then fall back to the current approach if it fails.
Diffstat (limited to 'gdb/windows-nat.c')
| -rw-r--r-- | gdb/windows-nat.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gdb/windows-nat.c b/gdb/windows-nat.c index 262619d9cb7..0f9fde9f804 100644 --- a/gdb/windows-nat.c +++ b/gdb/windows-nat.c @@ -281,6 +281,11 @@ struct windows_nat_target final : public x86_nat_target<inf_child_target> int get_windows_debug_event (int pid, struct target_waitstatus *ourstatus); void do_initial_windows_stuff (DWORD pid, bool attaching); + + bool supports_disable_randomization () override + { + return disable_randomization_available (); + } }; static windows_nat_target the_windows_nat_target; @@ -2493,6 +2498,7 @@ windows_nat_target::create_inferior (const char *exec_file, windows_init_thread_list (); ret = create_process (args, flags, w32_env, inferior_cwd != nullptr ? infcwd : nullptr, + disable_randomization, &si, &pi); if (w32_env) /* Just free the Win32 environment, if it could be created. */ @@ -2612,6 +2618,7 @@ windows_nat_target::create_inferior (const char *exec_file, flags, /* start flags */ w32env, /* environment */ inferior_cwd, /* current directory */ + disable_randomization, &si, &pi); if (tty != INVALID_HANDLE_VALUE) |