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-rw-r--r--target-i386/cpu.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 14c5186fe7..6eec5dc86d 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -3721,6 +3721,9 @@ static void x86_cpu_common_class_init(ObjectClass *oc, void *data)
cc->write_elf32_qemunote = x86_cpu_write_elf32_qemunote;
cc->vmsd = &vmstate_x86_cpu;
#endif
+ /* CPU_NB_REGS * 2 = general regs + xmm regs
+ * 25 = eip, eflags, 6 seg regs, st[0-7], fctrl,...,fop, mxcsr.
+ */
cc->gdb_num_core_regs = CPU_NB_REGS * 2 + 25;
#ifndef CONFIG_USER_ONLY
cc->debug_excp_handler = breakpoint_handler;