+ /* If it is the frame for __sigtramp, the saved registers are located
+ in a sigcontext structure somewhere on the stack. __sigtramp
+ passes a pointer to the sigcontext structure on the stack.
+ If the stack layout for __sigtramp changes, or if sigcontext offsets
+ change, we might have to update this code. */
+#ifndef SIGFRAME_PC_OFF
+#define SIGFRAME_PC_OFF (2 * 8)
+#define SIGFRAME_REGSAVE_OFF (4 * 8)
+#define SIGFRAME_FPREGSAVE_OFF (SIGFRAME_REGSAVE_OFF + 32 * 8 + 8)
+#endif
+ if (frame->signal_handler_caller)
+ {
+ CORE_ADDR sigcontext_pointer_addr;
+ CORE_ADDR sigcontext_addr;
+
+ if (frame->next)
+ sigcontext_pointer_addr = frame->next->frame;
+ else
+ sigcontext_pointer_addr = frame->frame;
+ sigcontext_addr = read_memory_integer(sigcontext_pointer_addr, 8);
+ for (ireg = 0; ireg < 32; ireg++)
+ {
+ reg_position = sigcontext_addr + SIGFRAME_REGSAVE_OFF + ireg * 8;
+ frame->saved_regs->regs[ireg] = reg_position;
+ }
+ for (ireg = 0; ireg < 32; ireg++)
+ {
+ reg_position = sigcontext_addr + SIGFRAME_FPREGSAVE_OFF + ireg * 8;
+ frame->saved_regs->regs[FP0_REGNUM + ireg] = reg_position;
+ }
+ frame->saved_regs->regs[PC_REGNUM] = sigcontext_addr + SIGFRAME_PC_OFF;
+ return;
+ }
+