#if !defined (PT_KILL)
#define PT_KILL 8
+#endif
+
+#if !defined (PT_STEP)
#define PT_STEP 9
#define PT_CONTINUE 7
#define PT_READ_U 3
#define PT_READ_D 2
#define PT_WRITE_I 4
#define PT_WRITE_D 5
-#endif /* No PT_KILL. */
+#endif /* No PT_STEP. */
#ifndef PT_ATTACH
#define PT_ATTACH PTRACE_ATTACH
#ifndef NO_SYS_FILE
#include <sys/file.h>
#endif
+#if 0
+/* Don't think this is used anymore. On the sequent (not sure whether it's
+ dynix or ptx or both), it is included unconditionally by sys/user.h and
+ not protected against multiple inclusion. */
#include <sys/stat.h>
-
-#if defined (FIVE_ARG_PTRACE
-/* Deal with HPUX 8.0 braindamage. */
-#define ptrace(a,b,c,d) ptrace(a,b,c,d,0)
#endif
#if !defined (FETCH_INFERIOR_REGISTERS)
PTRACE_ARG3_TYPE addr;
int data;
{
- return ptrace (request, pid, addr, data);
+ return ptrace (request, pid, addr, data
+#if defined (FIVE_ARG_PTRACE)
+ /* Deal with HPUX 8.0 braindamage. We never use the
+ calls which require the fifth argument. */
+ , 0
+#endif
+ );
}
-#ifdef DEBUG_PTRACE
+#if defined (DEBUG_PTRACE) || defined (FIVE_ARG_PTRACE)
/* For the rest of the file, use an extra level of indirection */
/* This lets us breakpoint usefully on call_ptrace. */
#define ptrace call_ptrace
If SIGNAL is nonzero, give it that signal. */
void
-child_resume (step, signal)
+child_resume (pid, step, signal)
+ int pid;
int step;
int signal;
{
errno = 0;
+ if (pid == -1)
+#ifdef PIDGET /* XXX Lynx */
+ pid = PIDGET (inferior_pid);
+#else
+ pid = inferior_pid;
+#endif
+
/* An address of (PTRACE_ARG3_TYPE)1 tells ptrace to continue from where
it was. (If GDB wanted it to start some other way, we have already
written a new PC value to the child.)
instructions), so we don't have to worry about that here. */
if (step)
- ptrace (PT_STEP, inferior_pid, (PTRACE_ARG3_TYPE) 1, signal);
+ ptrace (PT_STEP, pid, (PTRACE_ARG3_TYPE) 1, signal);
else
- ptrace (PT_CONTINUE, inferior_pid, (PTRACE_ARG3_TYPE) 1, signal);
+ ptrace (PT_CONTINUE, pid, (PTRACE_ARG3_TYPE) 1, signal);
if (errno)
perror_with_name ("ptrace");
}
#endif /* ATTACH_DETACH */
\f
-#if !defined (FETCH_INFERIOR_REGISTERS)
+/* Default the type of the ptrace transfer to int. */
+#ifndef PTRACE_XFER_TYPE
+#define PTRACE_XFER_TYPE int
+#endif
/* KERNEL_U_ADDR is the amount to subtract from u.u_ar0
to get the offset in the core file of the register values. */
-#if defined (KERNEL_U_ADDR_BSD)
+#if defined (KERNEL_U_ADDR_BSD) && !defined (FETCH_INFERIOR_REGISTERS)
/* Get kernel_u_addr using BSD-style nlist(). */
CORE_ADDR kernel_u_addr;
+#endif /* KERNEL_U_ADDR_BSD. */
void
_initialize_kernel_u_addr ()
{
+#if defined (KERNEL_U_ADDR_BSD) && !defined (FETCH_INFERIOR_REGISTERS)
struct nlist names[2];
names[0].n_un.n_name = "_u";
kernel_u_addr = names[0].n_value;
else
fatal ("Unable to get kernel u area address.");
-}
#endif /* KERNEL_U_ADDR_BSD. */
-
-#if defined (KERNEL_U_ADDR_HPUX)
-/* Get kernel_u_addr using HPUX-style nlist(). */
-CORE_ADDR kernel_u_addr;
-
-struct hpnlist {
- char * n_name;
- long n_value;
- unsigned char n_type;
- unsigned char n_length;
- short n_almod;
- short n_unused;
-};
-static struct hpnlist nl[] = {{ "_u", -1, }, { (char *) 0, }};
-
-/* read the value of the u area from the hp-ux kernel */
-void _initialize_kernel_u_addr ()
-{
- nlist ("/hp-ux", &nl);
- kernel_u_addr = nl[0].n_value;
}
-#endif /* KERNEL_U_ADDR_HPUX. */
+
+#if !defined (FETCH_INFERIOR_REGISTERS)
#if !defined (offsetof)
#define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER)
if (CANNOT_FETCH_REGISTER (regno))
{
- bzero (buf, REGISTER_RAW_SIZE (regno)); /* Supply zeroes */
+ memset (buf, '\0', REGISTER_RAW_SIZE (regno)); /* Supply zeroes */
supply_register (regno, buf);
return;
}
offset = U_REGS_OFFSET;
regaddr = register_addr (regno, offset);
- for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int))
+ for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (PTRACE_XFER_TYPE))
{
errno = 0;
- *(int *) &buf[i] = ptrace (PT_READ_U, inferior_pid,
- (PTRACE_ARG3_TYPE) regaddr, 0);
- regaddr += sizeof (int);
+ *(PTRACE_XFER_TYPE *) &buf[i] = ptrace (PT_READ_U, inferior_pid,
+ (PTRACE_ARG3_TYPE) regaddr, 0);
+ regaddr += sizeof (PTRACE_XFER_TYPE);
if (errno != 0)
{
sprintf (mess, "reading register %s (#%d)", reg_names[regno], regno);
{
register unsigned int regaddr;
char buf[80];
- extern char registers[];
register int i;
unsigned int offset = U_REGS_OFFSET;
if (regno >= 0)
{
regaddr = register_addr (regno, offset);
- for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof(int))
+ for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof(PTRACE_XFER_TYPE))
{
errno = 0;
ptrace (PT_WRITE_U, inferior_pid, (PTRACE_ARG3_TYPE) regaddr,
- *(int *) ®isters[REGISTER_BYTE (regno) + i]);
+ *(PTRACE_XFER_TYPE *) ®isters[REGISTER_BYTE (regno) + i]);
if (errno != 0)
{
sprintf (buf, "writing register number %d(%d)", regno, i);
perror_with_name (buf);
}
- regaddr += sizeof(int);
+ regaddr += sizeof(PTRACE_XFER_TYPE);
}
}
else
if (CANNOT_STORE_REGISTER (regno))
continue;
regaddr = register_addr (regno, offset);
- for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof(int))
+ for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof(PTRACE_XFER_TYPE))
{
errno = 0;
ptrace (PT_WRITE_U, inferior_pid, (PTRACE_ARG3_TYPE) regaddr,
- *(int *) ®isters[REGISTER_BYTE (regno) + i]);
+ *(PTRACE_XFER_TYPE *) ®isters[REGISTER_BYTE (regno) + i]);
if (errno != 0)
{
sprintf (buf, "writing register number %d(%d)", regno, i);
perror_with_name (buf);
}
- regaddr += sizeof(int);
+ regaddr += sizeof(PTRACE_XFER_TYPE);
}
}
}
{
register int i;
/* Round starting address down to longword boundary. */
- register CORE_ADDR addr = memaddr & - sizeof (int);
+ register CORE_ADDR addr = memaddr & - sizeof (PTRACE_XFER_TYPE);
/* Round ending address up; get number of longwords that makes. */
register int count
- = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int);
+ = (((memaddr + len) - addr) + sizeof (PTRACE_XFER_TYPE) - 1)
+ / sizeof (PTRACE_XFER_TYPE);
/* Allocate buffer of that many longwords. */
- register int *buffer = (int *) alloca (count * sizeof (int));
+ register PTRACE_XFER_TYPE *buffer
+ = (PTRACE_XFER_TYPE *) alloca (count * sizeof (PTRACE_XFER_TYPE));
if (write)
{
/* Fill start and end extra bytes of buffer with existing memory data. */
- if (addr != memaddr || len < (int)sizeof (int)) {
+ if (addr != memaddr || len < (int) sizeof (PTRACE_XFER_TYPE)) {
/* Need part of initial word -- fetch it. */
buffer[0] = ptrace (PT_READ_I, inferior_pid, (PTRACE_ARG3_TYPE) addr,
0);
{
buffer[count - 1]
= ptrace (PT_READ_I, inferior_pid,
- (PTRACE_ARG3_TYPE) (addr + (count - 1) * sizeof (int)),
+ ((PTRACE_ARG3_TYPE)
+ (addr + (count - 1) * sizeof (PTRACE_XFER_TYPE))),
0);
}
/* Copy data to be written over corresponding part of buffer */
- memcpy ((char *) buffer + (memaddr & (sizeof (int) - 1)), myaddr, len);
+ memcpy ((char *) buffer + (memaddr & (sizeof (PTRACE_XFER_TYPE) - 1)),
+ myaddr,
+ len);
/* Write the entire buffer. */
- for (i = 0; i < count; i++, addr += sizeof (int))
+ for (i = 0; i < count; i++, addr += sizeof (PTRACE_XFER_TYPE))
{
errno = 0;
ptrace (PT_WRITE_D, inferior_pid, (PTRACE_ARG3_TYPE) addr,
else
{
/* Read all the longwords */
- for (i = 0; i < count; i++, addr += sizeof (int))
+ for (i = 0; i < count; i++, addr += sizeof (PTRACE_XFER_TYPE))
{
errno = 0;
buffer[i] = ptrace (PT_READ_I, inferior_pid,
}
/* Copy appropriate bytes out of the buffer. */
- memcpy (myaddr, (char *) buffer + (memaddr & (sizeof (int) - 1)), len);
+ memcpy (myaddr,
+ (char *) buffer + (memaddr & (sizeof (PTRACE_XFER_TYPE) - 1)),
+ len);
}
return len;
}
select_frame (get_current_frame (), 0);
}
+static void
+restore_current_thread (pid)
+ int pid;
+{
+ if (pid != inferior_pid)
+ thread_switch (pid);
+}
+
+/* Apply a GDB command to a list of threads. List syntax is a whitespace
+ seperated list of numbers, or ranges, or the keyword `all'. Ranges consist
+ of two numbers seperated by a hyphen. Examples:
+
+ thread apply 1 2 7 4 backtrace Apply backtrace cmd to threads 1,2,7,4
+ thread apply 2-7 9 p foo(1) Apply p foo(1) cmd to threads 2->7 & 9
+ thread apply all p x/i $pc Apply x/i $pc cmd to all threads
+*/
+
+static void
+thread_apply_all_command (cmd, from_tty)
+ char *cmd;
+ int from_tty;
+{
+ struct thread_info *tp;
+ struct cleanup *old_chain;
+
+ if (cmd == NULL || *cmd == '\000')
+ error ("Please specify a command following the thread ID list");
+
+ old_chain = make_cleanup (restore_current_thread, inferior_pid);
+
+ for (tp = thread_list; tp; tp = tp->next)
+ {
+ thread_switch (tp->pid);
+ printf_filtered ("\nThread %d (%s):\n", tp->num,
+ target_pid_to_str (inferior_pid));
+ execute_command (cmd, from_tty);
+ }
+}
+
+static void
+thread_apply_command (tidlist, from_tty)
+ char *tidlist;
+ int from_tty;
+{
+ char *cmd;
+ char *p;
+ struct cleanup *old_chain;
+
+ if (tidlist == NULL || *tidlist == '\000')
+ error ("Please specify a thread ID list");
+
+ for (cmd = tidlist; *cmd != '\000' && !isalpha(*cmd); cmd++);
+
+ if (*cmd == '\000')
+ error ("Please specify a command following the thread ID list");
+
+ old_chain = make_cleanup (restore_current_thread, inferior_pid);
+
+ while (tidlist < cmd)
+ {
+ struct thread_info *tp;
+ int start, end;
+
+ start = strtol (tidlist, &p, 10);
+ if (p == tidlist)
+ error ("Error parsing %s", tidlist);
+ tidlist = p;
+
+ while (*tidlist == ' ' || *tidlist == '\t')
+ tidlist++;
+
+ if (*tidlist == '-') /* Got a range of IDs? */
+ {
+ tidlist++; /* Skip the - */
+ end = strtol (tidlist, &p, 10);
+ if (p == tidlist)
+ error ("Error parsing %s", tidlist);
+ tidlist = p;
+
+ while (*tidlist == ' ' || *tidlist == '\t')
+ tidlist++;
+ }
+ else
+ end = start;
+
+ for (; start <= end; start++)
+ {
+ tp = find_thread_id (start);
+
+ if (!tp)
+ {
+ warning ("Unknown thread %d.", start);
+ continue;
+ }
+
+ thread_switch (tp->pid);
+ printf_filtered ("\nThread %d (%s):\n", tp->num,
+ target_pid_to_str (inferior_pid));
+ execute_command (cmd, from_tty);
+ }
+ }
+}
+
+/* Switch to the specified thread. Will dispatch off to thread_apply_command
+ if prefix of arg is `apply'. */
+
static void
thread_command (tidstr, from_tty)
char *tidstr;
{
int num;
struct thread_info *tp;
+ char *p;
if (!tidstr)
error ("Please specify a thread ID. Use the \"info threads\" command to\n\
see the IDs of currently known threads.");
-
num = atoi (tidstr);
tp = find_thread_id (num);
void
_initialize_thread ()
{
+ static struct cmd_list_element *thread_cmd_list = NULL;
+ static struct cmd_list_element *thread_apply_list = NULL;
+ extern struct cmd_list_element *cmdlist;
+
add_info ("threads", info_threads_command,
"IDs of currently known threads.");
- add_com ("thread", class_info, thread_command,
- "Use this command to switch between threads.\n\
-The new thread ID must be currently known.");
+
+ add_prefix_cmd ("thread", class_run, thread_command,
+ "Use this command to switch between threads.\n\
+The new thread ID must be currently known.", &thread_cmd_list, "thread ", 1,
+ &cmdlist);
+
+ add_prefix_cmd ("apply", class_run, thread_apply_command,
+ "Apply a command to a list of threads.",
+ &thread_apply_list, "apply ", 1, &thread_cmd_list);
+
+ add_cmd ("all", class_run, thread_apply_all_command,
+ "Apply a command to all threads.",
+ &thread_apply_list);
+
+ add_com_alias ("t", "thread", class_run, 1);
}
projects / deliverable / binutils-gdb.git / commitdiff
