sh: Conditionalize the code dumper on CONFIG_DUMP_CODE. (5d2685d0) · Commits · 戴 / test

arch/sh/Kconfig.debug

+12 −0

Original line number	Diff line number	Diff line
		@@ -98,6 +98,18 @@ config IRQSTACKS
		for handling hard and soft interrupts. This can help avoid
		overflowing the process kernel stacks.

		config DUMP_CODE
		bool "Show disassembly of nearby code in register dumps"
		depends on DEBUG_KERNEL && SUPERH32
		default y if DEBUG_BUGVERBOSE
		default n
		help
		This prints out a code trace of the instructions leading up to
		the faulting instruction as a debugging aid. As this does grow
		the kernel in size a bit, most users will want to say N here.

		Those looking for more verbose debugging output should say Y.

		config SH_NO_BSS_INIT
		bool "Avoid zeroing BSS (to speed-up startup on suitable platforms)"
		depends on DEBUG_KERNEL

+8 −0

Original line number	Diff line number	Diff line
		@@ -175,7 +175,15 @@ static __inline__ void enable_fpu(void)

		void show_trace(struct task_struct tsk, unsigned long sp,
		struct pt_regs *regs);

		#ifdef CONFIG_DUMP_CODE
		void show_code(struct pt_regs *regs);
		#else
		static inline void show_code(struct pt_regs *regs)
		{
		}
		#endif

		extern unsigned long get_wchan(struct task_struct *p);

		#define KSTK_EIP(tsk) (task_pt_regs(tsk)->pc)

+2 −1

Original line number	Diff line number	Diff line
		@@ -9,7 +9,7 @@ ifdef CONFIG_FUNCTION_TRACER
		CFLAGS_REMOVE_ftrace.o = -pg
		endif

		obj-y := debugtraps.o disassemble.o idle.o io.o io_generic.o irq.o \
		obj-y := debugtraps.o idle.o io.o io_generic.o irq.o \
		machvec.o process_32.o ptrace_32.o setup.o signal_32.o \
		sys_sh.o sys_sh32.o syscalls_32.o time_32.o topology.o \
		traps.o traps_32.o
		@@ -29,5 +29,6 @@ obj-$(CONFIG_IO_TRAPPED) += io_trapped.o
		obj-$(CONFIG_KPROBES) += kprobes.o
		obj-$(CONFIG_GENERIC_GPIO) += gpio.o
		obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
		obj-$(CONFIG_DUMP_CODE) += disassemble.o

		EXTRA_CFLAGS += -Werror