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[Qemu-devel] [PULL 5/6] target-i386: document how x86 gdb_num_core_regs
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PULL 5/6] target-i386: document how x86 gdb_num_core_regs is computed. |
Date: |
Thu, 10 Nov 2016 18:52:41 +0100 |
From: Doug Evans <address@hidden>
It helps when reading the code to see how the number is arrived at.
Signed-off-by: Doug Evans <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
target-i386/cpu.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 14c5186..6eec5dc 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;
--
1.8.3.1
- [Qemu-devel] [PULL 0/6] QEMU patches for 2.8.0-rc0, Paolo Bonzini, 2016/11/10
- [Qemu-devel] [PULL 2/6] vl.c: move pidfile creation up the line, Paolo Bonzini, 2016/11/10
- [Qemu-devel] [PULL 3/6] target-i386/machine: fix migrate faile because of Hyper-V HV_X64_MSR_VP_RUNTIME, Paolo Bonzini, 2016/11/10
- [Qemu-devel] [PULL 1/6] target-i386: fix typo, Paolo Bonzini, 2016/11/10
- [Qemu-devel] [PULL 4/6] qdev: fix use-after-free regression from becdfa00cfa, Paolo Bonzini, 2016/11/10
- [Qemu-devel] [PULL 6/6] nbd: Don't inf-loop on early EOF, Paolo Bonzini, 2016/11/10
- [Qemu-devel] [PULL 5/6] target-i386: document how x86 gdb_num_core_regs is computed.,
Paolo Bonzini <=
- Re: [Qemu-devel] [PULL 0/6] QEMU patches for 2.8.0-rc0, Stefan Hajnoczi, 2016/11/11