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authorBin Meng <bmeng.cn@gmail.com>2015-07-10 10:38:32 +0800
committerSimon Glass <sjg@chromium.org>2015-07-28 10:36:21 -0600
commit013cf483c9d431e36d4ef2b854ee621cce51b8ce (patch)
tree513378f5f4dafc512599d43bc3e338a00dc52bd0 /arch/x86/include/asm/ptrace.h
parent66d10c18bf2c34698362b6fe1891bcc6e8755243 (diff)
x86: Display correct CS/EIP/EFLAGS when there is an error code
Some exceptions cause an error code to be saved on the current stack after the EIP value. We should extract CS/EIP/EFLAGS from different position on the stack based on the exception number. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/x86/include/asm/ptrace.h')
-rw-r--r--arch/x86/include/asm/ptrace.h16
1 files changed, 13 insertions, 3 deletions
diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h
index a727dbfb05..3849bc0756 100644
--- a/arch/x86/include/asm/ptrace.h
+++ b/arch/x86/include/asm/ptrace.h
@@ -63,9 +63,19 @@ struct irq_regs {
/* Pushed by vector handler (irq_<num>) */
long irq_id;
/* Pushed by cpu in response to interrupt */
- long eip;
- long xcs;
- long eflags;
+ union {
+ struct {
+ long eip;
+ long xcs;
+ long eflags;
+ } ctx1;
+ struct {
+ long err;
+ long eip;
+ long xcs;
+ long eflags;
+ } ctx2;
+ } context;
} __attribute__ ((packed));
/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */