+ /* Pushed by intr_entry in intr-stubs.S.
+ These are the interrupted task's saved registers. */
+ uint32_t edi; /* Saved EDI. */
+ uint32_t esi; /* Saved ESI. */
+ uint32_t ebp; /* Saved EBP. */
+ uint32_t esp_dummy; /* Not used. */
+ uint32_t ebx; /* Saved EBX. */
+ uint32_t edx; /* Saved EDX. */
+ uint32_t ecx; /* Saved ECX. */
+ uint32_t eax; /* Saved EAX. */
+ uint16_t gs, :16; /* Saved GS segment register. */
+ uint16_t fs, :16; /* Saved FS segment register. */
+ uint16_t es, :16; /* Saved ES segment register. */
+ uint16_t ds, :16; /* Saved DS segment register. */
+
+ /* Pushed by intrNN_stub in intr-stubs.S. */
+ uint32_t vec_no; /* Interrupt vector number. */
+
+ /* Sometimes pushed by the CPU,
+ otherwise for consistency pushed as 0 by intrNN_stub.
+ The CPU puts it just under `eip', but we move it here. */
+ uint32_t error_code; /* Error code. */
+
+ /* Pushed by intrNN_stub in intr-stubs.S.
+ This frame pointer eases interpretation of backtraces. */
+ void *frame_pointer; /* Saved EBP (frame pointer). */
+
+ /* Pushed by the CPU.
+ These are the interrupted task's saved registers. */
+ void (*eip) (void); /* Next instruction to execute. */
+ uint16_t cs, :16; /* Code segment for eip. */
+ uint32_t eflags; /* Saved CPU flags. */
+ void *esp; /* Saved stack pointer. */
+ uint16_t ss, :16; /* Data segment for esp. */