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* corefile.c (specify_exec_file_hook): Allow arbitrary number of
hooks. (call_extra_exec_file_hooks): New function. * h8300-tdep.c: Lint; add .h files to provide missing declarations, remove unused variables. (set_machine_hook): New function. (_initialize_h8300m): Initialize it. PR 8849.
This commit is contained in:
Mark Alexander
parent
6799c638e5
commit
f9fedc48d1
@ -1,3 +1,13 @@
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Mon Apr 22 14:54:45 1996 Mark Alexander <marka@superball.cygnus.com>
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* corefile.c (specify_exec_file_hook): Allow arbitrary number of
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hooks.
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(call_extra_exec_file_hooks): New function.
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* h8300-tdep.c: Lint; add .h files to provide missing declarations,
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remove unused variables.
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(set_machine_hook): New function.
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(_initialize_h8300m): Initialize it.
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Fri Apr 19 15:03:49 1996 Ian Lance Taylor <ian@cygnus.com>
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* remote-mips.c (encoding): Don't specify size, to avoid bug in
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@ -36,9 +36,23 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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extern char registers[];
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/* Hook for `exec_file_command' command to call. */
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/* Local function declarations. */
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void (*exec_file_display_hook) PARAMS ((char *)) = NULL;
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static void call_extra_exec_file_hooks PARAMS ((char *filename));
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/* You can have any number of hooks for `exec_file_command' command to call.
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If there's only one hook, it is set in exec_file_display hook.
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If there are two or more hooks, they are set in exec_file_extra_hooks[],
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and exec_file_display_hook is set to a function that calls all of them.
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This extra complexity is needed to preserve compatibility with
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old code that assumed that only one hook could be set, and which called
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exec_file_display_hook directly. */
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typedef void (*hook_type) PARAMS ((char *));
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hook_type exec_file_display_hook; /* the original hook */
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static hook_type *exec_file_extra_hooks; /* array of additional hooks */
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static int exec_file_hook_count = 0; /* size of array */
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/* Binary file diddling handle for the core file. */
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@ -67,6 +81,19 @@ core_file_command (filename, from_tty)
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}
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/* If there are two or more functions that wish to hook into exec_file_command,
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* this function will call all of the hook functions. */
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static void
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call_extra_exec_file_hooks (filename)
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char *filename;
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{
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int i;
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for (i = 0; i < exec_file_hook_count; i++)
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(*exec_file_extra_hooks[i])(filename);
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}
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/* Call this to specify the hook for exec_file_command to call back.
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This is called from the x-window display code. */
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@ -74,7 +101,33 @@ void
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specify_exec_file_hook (hook)
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void (*hook) PARAMS ((char *));
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{
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exec_file_display_hook = hook;
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hook_type *new_array;
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if (exec_file_display_hook != NULL)
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{
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/* There's already a hook installed. Arrange to have both it
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* and the subsequent hooks called. */
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if (exec_file_hook_count == 0)
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{
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/* If this is the first extra hook, initialize the hook array. */
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exec_file_extra_hooks = (hook_type *) xmalloc (sizeof(hook_type));
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exec_file_extra_hooks[0] = exec_file_display_hook;
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exec_file_display_hook = call_extra_exec_file_hooks;
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exec_file_hook_count = 1;
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}
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/* Grow the hook array by one and add the new hook to the end.
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Yes, it's inefficient to grow it by one each time but since
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this is hardly ever called it's not a big deal. */
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exec_file_hook_count++;
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new_array =
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(hook_type *) xrealloc (exec_file_extra_hooks,
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exec_file_hook_count * sizeof(hook_type));
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exec_file_extra_hooks = new_array;
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exec_file_extra_hooks[exec_file_hook_count - 1] = hook;
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}
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else
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exec_file_display_hook = hook;
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}
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/* The exec file must be closed before running an inferior.
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@ -29,6 +29,10 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include "dis-asm.h"
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#include "gdbcmd.h"
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#include "gdbtypes.h"
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#include "gdbcore.h"
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#include "gdb_string.h"
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#include "value.h"
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#undef NUM_REGS
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#define NUM_REGS 11
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@ -52,7 +56,10 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#define IS_MOVK_R5(x) (x==0x7905)
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#define IS_SUB_R5SP(x) (x==0x1957)
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/* Local function declarations. */
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static CORE_ADDR examine_prologue ();
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static void set_machine_hook PARAMS ((char *filename));
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void frame_find_saved_regs ();
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CORE_ADDR
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@ -137,9 +144,6 @@ frame_find_saved_regs (fi, fsr)
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struct frame_info *fi;
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struct frame_saved_regs *fsr;
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{
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register CORE_ADDR next_addr;
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register CORE_ADDR *saved_regs;
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register int regnum;
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register struct frame_saved_regs *cache_fsr;
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extern struct obstack frame_cache_obstack;
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CORE_ADDR ip;
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@ -212,12 +216,8 @@ examine_prologue (ip, limit, after_prolog_fp, fsr, fi)
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{
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register CORE_ADDR next_ip;
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int r;
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int i;
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int have_fp = 0;
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register int src;
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register struct pic_prologue_code *pcode;
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INSN_WORD insn_word;
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int size, offset;
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/* Number of things pushed onto stack, starts at 2/4, 'cause the
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PC is already there */
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unsigned int reg_save_depth = h8300hmode ? 4 : 2;
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@ -378,7 +378,7 @@ h8300_pop_frame ()
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for (regnum = 0; regnum < 8; regnum++)
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{
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if (fsr.regs[regnum])
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write_register (regnum, read_memory_integer(fsr.regs[regnum]), BINWORD);
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write_register (regnum, read_memory_integer(fsr.regs[regnum], BINWORD));
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flush_cached_frames ();
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}
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@ -410,6 +410,19 @@ set_machine (args, from_tty)
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help_list (setmemorylist, "set memory ", -1, gdb_stdout);
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}
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/* set_machine_hook is called as the exec file is being opened, but
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before the symbol file is opened. This allows us to set the
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h8300hmode flag based on the machine type specified in the exec
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file. This in turn will cause subsequently defined pointer types
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to be 16 or 32 bits as appropriate for the machine. */
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static void
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set_machine_hook (filename)
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char *filename;
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{
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h8300hmode = (bfd_get_mach (exec_bfd) == bfd_mach_h8300h);
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}
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void
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_initialize_h8300m ()
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{
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@ -422,6 +435,10 @@ _initialize_h8300m ()
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add_cmd ("h8300h", class_support, h8300h_command,
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"Set machine to be H8/300H.", &setmemorylist);
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/* Add a hook to set the machine type when we're loading a file. */
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specify_exec_file_hook(set_machine_hook);
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}
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