diff options
Diffstat (limited to 'gdb/darwin-nat.c')
| -rw-r--r-- | gdb/darwin-nat.c | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/gdb/darwin-nat.c b/gdb/darwin-nat.c index 06a1558..7c0ff5b 100644 --- a/gdb/darwin-nat.c +++ b/gdb/darwin-nat.c @@ -53,6 +53,7 @@ #include <sys/proc.h> #include <libproc.h> #include <sys/syscall.h> +#include <spawn.h> #include <mach/mach_error.h> #include <mach/mach_vm.h> @@ -1507,12 +1508,47 @@ darwin_ptrace_him (int pid) } static void +darwin_execvp (const char *file, char * const argv[], char * const env[]) +{ + posix_spawnattr_t attr; + short ps_flags = 0; + int retval; + + retval = posix_spawnattr_init (&attr); + if (retval != 0) + { + fprintf_unfiltered + (gdb_stderr, "Cannot initialize attribute for posix_spawn\n"); + return; + } + + /* Do like execve: replace the image. */ + ps_flags = POSIX_SPAWN_SETEXEC; + + /* Disable ASLR. The constant doesn't look to be available outside the + kernel include files. */ +#ifndef _POSIX_SPAWN_DISABLE_ASLR +#define _POSIX_SPAWN_DISABLE_ASLR 0x0100 +#endif + ps_flags |= _POSIX_SPAWN_DISABLE_ASLR; + retval = posix_spawnattr_setflags (&attr, ps_flags); + if (retval != 0) + { + fprintf_unfiltered + (gdb_stderr, "Cannot set posix_spawn flags\n"); + return; + } + + posix_spawnp (NULL, argv[0], NULL, &attr, argv, env); +} + +static void darwin_create_inferior (struct target_ops *ops, char *exec_file, char *allargs, char **env, int from_tty) { /* Do the hard work. */ fork_inferior (exec_file, allargs, env, darwin_ptrace_me, darwin_ptrace_him, - darwin_pre_ptrace, NULL); + darwin_pre_ptrace, NULL, darwin_execvp); /* Return now in case of error. */ if (ptid_equal (inferior_ptid, null_ptid)) |