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GDB Stub: More progress

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This commit is contained in:
RichardG867
2022-03-16 00:33:01 -03:00
parent 7a3ff82a63
commit f57cbe36b1
18 changed files with 972 additions and 241 deletions
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48
src/include/86box/gdbstub.h
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@@ -16,20 +16,60 @@
*/
#ifndef EMU_GDBSTUB_H
# define EMU_GDBSTUB_H
#include <86box/mem.h>
#define GDBSTUB_MEM_READ 0
#define GDBSTUB_MEM_WRITE 16
#define GDBSTUB_MEM_AWATCH 32
enum {
GDBSTUB_EXEC = 0,
GDBSTUB_SSTEP,
GDBSTUB_BREAK,
GDBSTUB_BREAK_SW,
GDBSTUB_BREAK_HW,
GDBSTUB_BREAK_RWATCH,
GDBSTUB_BREAK_WWATCH,
GDBSTUB_BREAK_AWATCH
};
#ifdef USE_GDBSTUB
extern int gdbstub_singlestep;
#define GDBSTUB_MEM_ACCESS(addr, access, width) \
uint32_t gdbstub_page = addr >> MEM_GRANULARITY_BITS; \
if (gdbstub_watch_pages[gdbstub_page >> 6] & (1 << (gdbstub_page & 63)) || (addr == 0xb8dd4)) { \
uint32_t gdbstub_addrs[width]; \
for (int gdbstub_i = 0; gdbstub_i < width; gdbstub_i++) \
gdbstub_addrs[gdbstub_i] = addr + gdbstub_i; \
gdbstub_mem_access(gdbstub_addrs, access | width); \
}
extern void gdbstub_pause(int *p);
#define GDBSTUB_MEM_ACCESS_FAST(addrs, access, width) \
uint32_t gdbstub_page = addr >> MEM_GRANULARITY_BITS; \
if (gdbstub_watch_pages[gdbstub_page >> 6] & (1 << (gdbstub_page & 63)) || (addr == 0xb8dd4)) \
gdbstub_mem_access(addrs, access | width);
extern int gdbstub_step, gdbstub_next_asap;
extern uint64_t gdbstub_watch_pages[(((uint32_t) -1) >> (MEM_GRANULARITY_BITS + 6)) + 1];
extern void gdbstub_cpu_init();
extern int gdbstub_instruction();
extern int gdbstub_int3();
extern void gdbstub_mem_access(uint32_t *addrs, int access);
extern void gdbstub_init();
extern void gdbstub_close();
#else
#define gdbstub_singlestep 0
#define GDBSTUB_MEM_ACCESS(addr, access, width)
#define GDBSTUB_MEM_ACCESS_FAST(addrs, access, width)
#define gdbstub_pause(p)
#define gdbstub_step 0
#define gdbstub_next_asap 0
#define gdbstub_cpu_init()
#define gdbstub_instruction() 0
#define gdbstub_int3() 0
#define gdbstub_init()
#define gdbstub_close()