mgdb: winnt_create_inferior(): initial implementation and integration.

1 files changed, 64 insertions, 5 deletions

diff --git a/overlay/mgdb/gdb/winnt-nat.c b/overlay/mgdb/gdb/winnt-nat.c
index 7009df1..0ba63c3 100644
--- a/overlay/mgdb/gdb/winnt-nat.c
+++ b/overlay/mgdb/gdb/winnt-nat.c
@@ -19,6 +19,7 @@
 #include <stdint.h>
 #include <stddef.h>
 #include <pthread.h>
+#include <sys/cmd.h>
 #include <sys/debug.h>
 
 #define winnt_error(msg) \
@@ -210,6 +211,9 @@ static void winnt_prepare (struct target_ops * t, pid_t pid, int pfd, int attach
 	inferior_appeared(cinf,pid);
 	init_thread_list();
 
+	target_terminal_init();
+	target_terminal_inferior();
+
 	while (1) {
 		do {
 			ret = __dbg_event_acquire(pfd,&event);
@@ -218,18 +222,23 @@ static void winnt_prepare (struct target_ops * t, pid_t pid, int pfd, int attach
 		if (ret < 0)
 			winnt_perror("failed to acquire preliminary debug event",pid);
 
+		if ((event.evttype == __DBG_STATE_CREATE_PROCESS) && !attached)
+			if (__dbg_resume_thread(pfd,event.systid) < 0)
+				winnt_perror("failed to resume first thread",pid);
+
 		switch (event.evttype) {
 			case __DBG_STATE_EXCEPTION:
 			case __DBG_STATE_BREAKPOINT:
 			case __DBG_STATE_SINGLE_STEP:
 				pidinfo->syspid = event.syspid;
 				pidinfo->systid = event.systid;
+				target_terminal_ours();
 				return;
 
+			case __DBG_STATE_CREATE_PROCESS:
 			case __DBG_STATE_CREATE_THREAD:
 			case __DBG_STATE_IDLE:
 			case __DBG_STATE_REPLY_PENDING:
-			case __DBG_STATE_CREATE_PROCESS:
 			case __DBG_STATE_DLL_LOAD:
 			case __DBG_STATE_DLL_UNLOAD:
 			case __DBG_STATE_EXIT_THREAD:
@@ -354,13 +363,63 @@ static void winnt_mourn_inferior (struct target_ops * t)
 }
 
 static void winnt_create_inferior(
-	struct  target_ops * ops,
+	struct  target_ops * t,
 	char *  exec_file,
-	char *  allargs,
-	char ** in_env,
+	char *  args,
+	char ** envp,
 	int     from_tty)
 {
-	winnt_error("Not implemented");
+	int	pfd;
+	pid_t	pid;
+	size_t	arglen;
+	char *	argbuf;
+	char **	argv;
+
+	/* validate */
+	if (!exec_file)
+		winnt_error("Executable not set; use `target exec'.");
+
+	/* assume no folded white space, add final null termination */
+	arglen = strlen(args);
+	arglen++;
+
+	if (!(argbuf = (char *)calloc(arglen,1)))
+		winnt_error("Failed to allocate argument string buffer.");
+
+	/* extra pointer for exec_file (argv[0]) */
+	arglen++;
+
+	if (!(argv = (char **)calloc(arglen,sizeof(char *))))
+		winnt_error("Failed to allocate argument vector buffer.");
+
+	arglen--;
+
+	/* argv */
+	argv[0] = exec_file;
+
+	if (__cmd_args_to_argv(args,argbuf,arglen,&argv[1],arglen) < 0)
+		winnt_error("Failed to parse command-line arguments.");
+
+	/* spawn */
+	if ((pfd = __dbg_spawn(exec_file,argv,envp,0)) < 0)
+		winnt_error("Failed to spawn executable.");
+
+	/* syspid */
+	if ((pid = __dbg_query_syspid(pfd)) < 0) {
+		__dbg_kill(pfd);
+		close(pfd);
+		winnt_error("Failed to obtain syspid (should never happen).");
+	}
+
+	/* debuggee list */
+	if (winnt_plist_add(pid,pfd) < 0) {
+		__dbg_kill(pfd);
+		close(pfd);
+		winnt_error ("could not expand debuggee list");
+	}
+
+	/* init loop */
+	winnt_prepare(t,pid,pfd,0);
 }
 
 static char * winnt_pid_to_str (struct target_ops * t, ptid_t ptid)