diff options
| -rw-r--r-- | cpu.c | 10 | ||||
| -rw-r--r-- | include/hw/core/cpu.h | 4 |
2 files changed, 14 insertions, 0 deletions
@@ -267,8 +267,13 @@ static void breakpoint_invalidate(CPUState *cpu, target_ulong pc) int cpu_breakpoint_insert(CPUState *cpu, vaddr pc, int flags, CPUBreakpoint **breakpoint) { + CPUClass *cc = CPU_GET_CLASS(cpu); CPUBreakpoint *bp; + if (cc->gdb_adjust_breakpoint) { + pc = cc->gdb_adjust_breakpoint(cpu, pc); + } + bp = g_malloc(sizeof(*bp)); bp->pc = pc; @@ -294,8 +299,13 @@ int cpu_breakpoint_insert(CPUState *cpu, vaddr pc, int flags, /* Remove a specific breakpoint. */ int cpu_breakpoint_remove(CPUState *cpu, vaddr pc, int flags) { + CPUClass *cc = CPU_GET_CLASS(cpu); CPUBreakpoint *bp; + if (cc->gdb_adjust_breakpoint) { + pc = cc->gdb_adjust_breakpoint(cpu, pc); + } + QTAILQ_FOREACH(bp, &cpu->breakpoints, entry) { if (bp->pc == pc && bp->flags == flags) { cpu_breakpoint_remove_by_ref(cpu, bp); diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index 4e0ea68efc..bc864564ce 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -103,6 +103,9 @@ struct SysemuCPUOps; * also implement the synchronize_from_tb hook. * @gdb_read_register: Callback for letting GDB read a register. * @gdb_write_register: Callback for letting GDB write a register. + * @gdb_adjust_breakpoint: Callback for adjusting the address of a + * breakpoint. Used by AVR to handle a gdb mis-feature with + * its Harvard architecture split code and data. * @gdb_num_core_regs: Number of core registers accessible to GDB. * @gdb_core_xml_file: File name for core registers GDB XML description. * @gdb_stop_before_watchpoint: Indicates whether GDB expects the CPU to stop @@ -137,6 +140,7 @@ struct CPUClass { void (*set_pc)(CPUState *cpu, vaddr value); int (*gdb_read_register)(CPUState *cpu, GByteArray *buf, int reg); int (*gdb_write_register)(CPUState *cpu, uint8_t *buf, int reg); + vaddr (*gdb_adjust_breakpoint)(CPUState *cpu, vaddr addr); const char *gdb_core_xml_file; gchar * (*gdb_arch_name)(CPUState *cpu); |