Changeset 304342e in mainline for kernel/arch/amd64/include

Timestamp:

2010-01-08T20:58:33Z (16 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

49924b4

Parents:

fabc883

Message:

Add amd64 specific support for kernel stack traces.

Location:

kernel/arch/amd64/include

Files:

• context.h (modified) (1 diff)
• interrupt.h (modified) (3 diffs)

kernel/arch/amd64/include/context.h

@@ -46 +46 @@
 #define SP_DELTA     16
 
+#define context_set(c, _pc, stack, size) \
+        do { \
+                (c)->pc = (uintptr_t) (_pc); \
+                (c)->sp = ((uintptr_t) (stack)) + (size) - SP_DELTA; \
+                (c)->rbp = 0; \
+        } while (0)
+
 #endif /* KERNEL */
 

kernel/arch/amd64/include/interrupt.h

@@ -70 +70 @@
 
 /** This is passed to interrupt handlers */
-typedef struct {
+typedef struct istate {
         uint64_t rax;
         uint64_t rcx;
@@ -80 +80 @@
         uint64_t r10;
         uint64_t r11;
+        uint64_t rbp;
         uint64_t error_word;
         uint64_t rip;
@@ -101 +102 @@
         return istate->rip;
 }
+static inline unative_t istate_get_fp(istate_t *istate)
+{
+        return istate->rbp;
+}
 
 extern void (* disable_irqs_function)(uint16_t irqmask);