133 lines
4.1 KiB
C
133 lines
4.1 KiB
C
/* This file contains information dump procedures. During the initialization
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* of the Information Service 'known' function keys are registered at the TTY
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* server in order to receive a notification if one is pressed. Here, the
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* corresponding dump procedure is called.
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*
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* The entry points into this file are
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* map_unmap_fkeys: register or unregister function key maps with TTY
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* do_fkey_pressed: handle a function key pressed notification
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*/
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#include "inc.h"
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#include <minix/vm.h>
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struct hook_entry {
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int key;
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void (*function)(void);
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char *name;
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} hooks[] = {
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{ F1, proctab_dmp, "Kernel process table" },
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{ F3, image_dmp, "System image" },
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{ F4, privileges_dmp, "Process privileges" },
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{ F5, monparams_dmp, "Boot monitor parameters" },
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{ F6, irqtab_dmp, "IRQ hooks and policies" },
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{ F7, kmessages_dmp, "Kernel messages" },
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{ F8, vm_dmp, "VM status and process maps" },
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{ F10, kenv_dmp, "Kernel parameters" },
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{ SF1, mproc_dmp, "Process manager process table" },
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{ SF2, sigaction_dmp, "Signals" },
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{ SF3, fproc_dmp, "Filesystem process table" },
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{ SF4, dtab_dmp, "Device/Driver mapping" },
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{ SF5, mapping_dmp, "Print key mappings" },
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{ SF6, rproc_dmp, "Reincarnation server process table" },
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{ SF8, data_store_dmp, "Data store contents" },
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{ SF9, procstack_dmp, "Processes with stack traces" },
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};
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/* Define hooks for the debugging dumps. This table maps function keys
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* onto a specific dump and provides a description for it.
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*/
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#define NHOOKS (sizeof(hooks)/sizeof(hooks[0]))
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/*===========================================================================*
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* map_unmap_keys *
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*===========================================================================*/
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void map_unmap_fkeys(map)
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int map;
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{
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int fkeys, sfkeys;
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int h, s;
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fkeys = sfkeys = 0;
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for (h = 0; h < NHOOKS; h++) {
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if (hooks[h].key >= F1 && hooks[h].key <= F12)
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bit_set(fkeys, hooks[h].key - F1 + 1);
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else if (hooks[h].key >= SF1 && hooks[h].key <= SF12)
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bit_set(sfkeys, hooks[h].key - SF1 + 1);
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}
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if (map) s = fkey_map(&fkeys, &sfkeys);
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else s = fkey_unmap(&fkeys, &sfkeys);
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if (s != OK)
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printf("IS: warning, fkey_ctl failed: %d\n", s);
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}
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/*===========================================================================*
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* handle_fkey *
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*===========================================================================*/
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#define pressed(start, end, bitfield, key) \
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(((start) <= (key)) && ((end) >= (key)) && \
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bit_isset((bitfield), ((key) - (start) + 1)))
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int do_fkey_pressed(m)
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message *m; /* notification message */
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{
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int s, h;
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int fkeys, sfkeys;
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/* The notification message does not convey any information, other
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* than that some function keys have been pressed. Ask TTY for details.
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*/
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s = fkey_events(&fkeys, &sfkeys);
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if (s < 0) {
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printf("IS: warning, fkey_events failed: %d\n", s);
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}
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/* Now check which keys were pressed: F1-F12, SF1-SF12. */
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for(h=0; h < NHOOKS; h++) {
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if (pressed(F1, F12, fkeys, hooks[h].key)) {
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hooks[h].function();
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} else if (pressed(SF1, SF12, sfkeys, hooks[h].key)) {
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hooks[h].function();
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}
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}
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/* Don't send a reply message. */
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return(EDONTREPLY);
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}
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/*===========================================================================*
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* key_name *
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*===========================================================================*/
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static char *key_name(int key)
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{
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static char name[15];
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if(key >= F1 && key <= F12)
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snprintf(name, sizeof(name), " F%d", key - F1 + 1);
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else if(key >= SF1 && key <= SF12)
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snprintf(name, sizeof(name), "Shift+F%d", key - SF1 + 1);
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else
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strlcpy(name, "?", sizeof(name));
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return name;
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}
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/*===========================================================================*
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* mapping_dmp *
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*===========================================================================*/
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void mapping_dmp(void)
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{
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int h;
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printf("Function key mappings for debug dumps in IS server.\n");
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printf(" Key Description\n");
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printf("-------------------------------------");
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printf("------------------------------------\n");
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for(h=0; h < NHOOKS; h++)
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printf(" %10s. %s\n", key_name(hooks[h].key), hooks[h].name);
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printf("\n");
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}
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