mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
71 lines
1.8 KiB
71 lines
1.8 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
#ifndef _ASM_S390_FTRACE_H |
|
#define _ASM_S390_FTRACE_H |
|
|
|
#define HAVE_FUNCTION_GRAPH_RET_ADDR_PTR |
|
#define ARCH_SUPPORTS_FTRACE_OPS 1 |
|
#define MCOUNT_INSN_SIZE 6 |
|
|
|
#ifndef __ASSEMBLY__ |
|
|
|
#ifdef CONFIG_CC_IS_CLANG |
|
/* https://bugs.llvm.org/show_bug.cgi?id=41424 */ |
|
#define ftrace_return_address(n) 0UL |
|
#else |
|
#define ftrace_return_address(n) __builtin_return_address(n) |
|
#endif |
|
|
|
void ftrace_caller(void); |
|
|
|
extern char ftrace_graph_caller_end; |
|
extern void *ftrace_func; |
|
|
|
struct dyn_arch_ftrace { }; |
|
|
|
#define MCOUNT_ADDR 0 |
|
#define FTRACE_ADDR ((unsigned long)ftrace_caller) |
|
|
|
#define KPROBE_ON_FTRACE_NOP 0 |
|
#define KPROBE_ON_FTRACE_CALL 1 |
|
|
|
struct module; |
|
struct dyn_ftrace; |
|
|
|
bool ftrace_need_init_nop(void); |
|
#define ftrace_need_init_nop ftrace_need_init_nop |
|
|
|
int ftrace_init_nop(struct module *mod, struct dyn_ftrace *rec); |
|
#define ftrace_init_nop ftrace_init_nop |
|
|
|
static inline unsigned long ftrace_call_adjust(unsigned long addr) |
|
{ |
|
return addr; |
|
} |
|
|
|
/* |
|
* Even though the system call numbers are identical for s390/s390x a |
|
* different system call table is used for compat tasks. This may lead |
|
* to e.g. incorrect or missing trace event sysfs files. |
|
* Therefore simply do not trace compat system calls at all. |
|
* See kernel/trace/trace_syscalls.c. |
|
*/ |
|
#define ARCH_TRACE_IGNORE_COMPAT_SYSCALLS |
|
static inline bool arch_trace_is_compat_syscall(struct pt_regs *regs) |
|
{ |
|
return is_compat_task(); |
|
} |
|
|
|
#define ARCH_HAS_SYSCALL_MATCH_SYM_NAME |
|
static inline bool arch_syscall_match_sym_name(const char *sym, |
|
const char *name) |
|
{ |
|
/* |
|
* Skip __s390_ and __s390x_ prefix - due to compat wrappers |
|
* and aliasing some symbols of 64 bit system call functions |
|
* may get the __s390_ prefix instead of the __s390x_ prefix. |
|
*/ |
|
return !strcmp(sym + 7, name) || !strcmp(sym + 8, name); |
|
} |
|
|
|
#endif /* __ASSEMBLY__ */ |
|
#endif /* _ASM_S390_FTRACE_H */
|
|
|