linux-kernel - arch/arm64/kernel/entry-ftrace.S:333: Error: undefined symbol FREGS

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Message-ID: <202503191223.RCdQEebt-lkp@intel.com>
Date: Wed, 19 Mar 2025 13:06:35 +0800
From: kernel test robot <lkp@...el.com>
To: "Masami Hiramatsu (Google)" <mhiramat@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	"Steven Rostedt (Google)" <rostedt@...dmis.org>
Subject: arch/arm64/kernel/entry-ftrace.S:333: Error: undefined symbol
 FREGS_SIZE used as an immediate value

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   81e4f8d68c66da301bb881862735bd74c6241a19
commit: a3ed4157b7d89800a0008de0c9e46a438a5c3745 fgraph: Replace fgraph_ret_regs with ftrace_regs
date:   3 months ago
config: arm64-randconfig-003-20250319 (https://download.01.org/0day-ci/archive/20250319/202503191223.RCdQEebt-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250319/202503191223.RCdQEebt-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202503191223.RCdQEebt-lkp@intel.com/

All errors (new ones prefixed by >>):

   arch/arm64/kernel/entry-ftrace.S: Assembler messages:
>> arch/arm64/kernel/entry-ftrace.S:333: Error: undefined symbol FREGS_SIZE used as an immediate value
>> arch/arm64/kernel/entry-ftrace.S:336: Error: undefined symbol FREGS_X0 used as an immediate value
>> arch/arm64/kernel/entry-ftrace.S:337: Error: undefined symbol FREGS_X2 used as an immediate value
>> arch/arm64/kernel/entry-ftrace.S:338: Error: undefined symbol FREGS_X4 used as an immediate value
>> arch/arm64/kernel/entry-ftrace.S:339: Error: undefined symbol FREGS_X6 used as an immediate value
>> arch/arm64/kernel/entry-ftrace.S:342: Error: undefined symbol FREGS_FP used as an immediate value
   arch/arm64/kernel/entry-ftrace.S:349: Error: undefined symbol FREGS_X0 used as an immediate value
   arch/arm64/kernel/entry-ftrace.S:350: Error: undefined symbol FREGS_X2 used as an immediate value
   arch/arm64/kernel/entry-ftrace.S:351: Error: undefined symbol FREGS_X4 used as an immediate value
   arch/arm64/kernel/entry-ftrace.S:352: Error: undefined symbol FREGS_X6 used as an immediate value
   arch/arm64/kernel/entry-ftrace.S:353: Error: undefined symbol FREGS_SIZE used as an immediate value


vim +333 arch/arm64/kernel/entry-ftrace.S

   324	
   325	/*
   326	 * void return_to_handler(void)
   327	 *
   328	 * Run ftrace_return_to_handler() before going back to parent.
   329	 * @fp is checked against the value passed by ftrace_graph_caller().
   330	 */
   331	SYM_CODE_START(return_to_handler)
   332		/* Make room for ftrace_regs */
 > 333		sub	sp, sp, #FREGS_SIZE
   334	
   335		/* Save return value regs */
 > 336		stp	x0, x1, [sp, #FREGS_X0]
 > 337		stp	x2, x3, [sp, #FREGS_X2]
 > 338		stp	x4, x5, [sp, #FREGS_X4]
 > 339		stp	x6, x7, [sp, #FREGS_X6]
   340	
   341		/* Save the callsite's FP */
 > 342		str	x29, [sp, #FREGS_FP]

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki