9adda7af10
D10V support was removed years ago, but the gdb.base/d10vovly.c file stayed behind. Looking a bit closer, I can't find anywhere that references gdb.base/m32rovly.c either. Both gdb.base/m32rovly.c and gdb.base/d10vovly.c seem to be older copies of gdb.base/ovlymgr.c, that are exactly the same, except for some cosmetic differences, and for missing _ovly_debug_event. Note that gdb.base/ovlymgr.c has the #ifdef __M32R__ bits too. Note also that gdb.base/overlays.exp is currently only supported on m32r, and that uses ovlymgr.c not gdb.base/m32rovly.c. gdb/testsuite/ChangeLog: * gdb.base/d10vovly.c: Delete. * gdb.base/m32rovly.c: Delete. * gdb.base/ovlymgr.c: Remove all code guarded by __D10V__.
100 lines
2.5 KiB
C
100 lines
2.5 KiB
C
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/*
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* Ovlymgr.c -- Runtime Overlay Manager for the GDB testsuite.
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*/
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#include "ovlymgr.h"
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/* Local functions and data: */
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extern unsigned long _ovly_table[][4];
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extern unsigned long _novlys __attribute__ ((section (".data")));
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enum ovly_index { VMA, SIZE, LMA, MAPPED};
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static void ovly_copy (unsigned long dst, unsigned long src, long size);
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/* Flush the data and instruction caches at address START for SIZE bytes.
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Support for each new port must be added here. */
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/* FIXME: Might be better to have a standard libgloss function that
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ports provide that we can then use. Use libgloss instead of newlib
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since libgloss is the one intended to handle low level system issues.
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I would suggest something like _flush_cache to avoid the user's namespace
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but not be completely obscure as other things may need this facility. */
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static void
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FlushCache (void)
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{
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#ifdef __M32R__
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volatile char *mspr = (char *) 0xfffffff7;
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*mspr = 1;
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#endif
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}
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/* _ovly_debug_event:
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* Debuggers may set a breakpoint here, to be notified
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* when the overlay table has been modified.
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*/
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static void
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_ovly_debug_event (void)
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{
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}
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/* OverlayLoad:
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* Copy the overlay into its runtime region,
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* and mark the overlay as "mapped".
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*/
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bool
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OverlayLoad (unsigned long ovlyno)
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{
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unsigned long i;
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if (ovlyno < 0 || ovlyno >= _novlys)
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exit (-1); /* fail, bad ovly number */
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if (_ovly_table[ovlyno][MAPPED])
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return TRUE; /* this overlay already mapped -- nothing to do! */
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for (i = 0; i < _novlys; i++)
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if (i == ovlyno)
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_ovly_table[i][MAPPED] = 1; /* this one now mapped */
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else if (_ovly_table[i][VMA] == _ovly_table[ovlyno][VMA])
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_ovly_table[i][MAPPED] = 0; /* this one now un-mapped */
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ovly_copy (_ovly_table[ovlyno][VMA],
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_ovly_table[ovlyno][LMA],
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_ovly_table[ovlyno][SIZE]);
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FlushCache ();
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_ovly_debug_event ();
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return TRUE;
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}
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/* OverlayUnload:
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* Copy the overlay back into its "load" region.
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* Does NOT mark overlay as "unmapped", therefore may be called
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* more than once for the same mapped overlay.
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*/
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bool
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OverlayUnload (unsigned long ovlyno)
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{
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if (ovlyno < 0 || ovlyno >= _novlys)
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exit (-1); /* fail, bad ovly number */
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if (!_ovly_table[ovlyno][MAPPED])
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exit (-1); /* error, can't copy out a segment that's not "in" */
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ovly_copy (_ovly_table[ovlyno][LMA],
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_ovly_table[ovlyno][VMA],
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_ovly_table[ovlyno][SIZE]);
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_ovly_debug_event ();
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return TRUE;
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}
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static void
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ovly_copy (unsigned long dst, unsigned long src, long size)
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{
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memcpy ((void *) dst, (void *) src, size);
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}
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