diff options
| author | Doug Evans <dje@google.com> | 2016-11-03 21:48:56 +0000 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2016-11-10 16:01:09 +0100 |
| commit | 175cad36a599bb24ab2a5cd195c96b1f123e25a9 (patch) | |
| tree | 0d4d5c4aa6cff26eb63a182a599793dcbeabb6c0 /target-i386 | |
| parent | 2209401fa73e176ed093167b8f60aba797f25d49 (diff) | |
target-i386: document how x86 gdb_num_core_regs is computed.
It helps when reading the code to see how the number is arrived at.
Signed-off-by: Doug Evans <dje@google.com>
Message-Id: <94eb2c187eda43dba005406c86f7@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'target-i386')
| -rw-r--r-- | target-i386/cpu.c | 3 |
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; |