linux – 如何在搜索过程中使cscope显示完整的文件路径

当我使用cscope搜索C符号或全局定义时,它会显示文件名和行号.我想看到完整的文件路径,以便我可以跳转到我的arch特定文件.例如,在 Linux代码库上的cscope build上搜索__switch_to的全局定义时,我得到：

Global definition: __switch_to

  File         Line
0 process.c    297 struct task_struct *__switch_to(struct task_struct *prev,1 switch_to.h   44 #define __switch_to(prev,next,last) do { 
2 process.c    202 struct task_struct *__switch_to(struct task_struct *old,3 process.c    400 struct task_struct *__switch_to(struct task_struct *prev,4 process_32.c 211 __switch_to(struct task_struct *prev,struct task_struct *next)
5 process.c     80 void *__switch_to(struct task_struct *from,struct task_struct *to)
6 process_32.c 248 __switch_to(struct task_struct *prev_p,struct task_struct *next_p)
7 process_64.c 272 __switch_to(struct task_struct *prev_p,struct task_struct *next_p)

现在,每个arch的文件process.c都不同.如何让cscope显示完整的文件路径？

解决方法

-pn Display the last n file path components instead of the default (1). Use 0 not to display the file name at all.

使用cscope -p4运行并搜索__switch_to的全局定义

Global definition: __switch_to

  File                           Line
0 arch/arm64/kernel/process.c    297 struct task_struct *__switch_to(struct task_struct *prev,1 ia64/include/asm/switch_to.h    44 #define __switch_to(prev,last) do { 
2 arch/openrisc/kernel/process.c 202 struct task_struct *__switch_to(struct task_struct *old,3 arch/powerpc/kernel/process.c  400 struct task_struct *__switch_to(struct task_struct *prev,4 arch/sh/kernel/process_32.c    211 __switch_to(struct task_struct *prev,struct task_struct *next)
5 arch/um/kernel/process.c        80 void *__switch_to(struct task_struct *from,struct task_struct *to)
6 arch/x86/kernel/process_32.c   248 __switch_to(struct task_struct *prev_p,struct task_struct *next_p)
7 arch/x86/kernel/process_64.c   272 __switch_to(struct task_struct *prev_p,struct task_struct *next_p)

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