Lines Matching refs:regs
8 * this should only contain volatile regs
118 static inline unsigned long instruction_pointer(struct pt_regs *regs)
120 return regs->nip;
123 static inline void instruction_pointer_set(struct pt_regs *regs,
126 regs->nip = val;
129 static inline unsigned long user_stack_pointer(struct pt_regs *regs)
131 return regs->gpr[1];
134 static inline unsigned long frame_pointer(struct pt_regs *regs)
140 extern unsigned long profile_pc(struct pt_regs *regs);
142 #define profile_pc(regs) instruction_pointer(regs)
145 long do_syscall_trace_enter(struct pt_regs *regs);
146 void do_syscall_trace_leave(struct pt_regs *regs);
149 #define user_mode(regs) ((((regs)->msr) >> MSR_PR_LG) & 0x1)
151 #define user_mode(regs) (((regs)->msr & MSR_PR) != 0)
171 #define TRAP(regs) ((regs)->trap & ~TRAP_FLAGS_MASK)
172 #define FULL_REGS(regs) true
173 #define SET_FULL_REGS(regs) do { } while (0)
176 #define TRAP(regs) ((regs)->trap & ~TRAP_FLAGS_MASK)
177 #define FULL_REGS(regs) (((regs)->trap & 1) == 0)
178 #define SET_FULL_REGS(regs) ((regs)->trap &= ~1)
180 #define CHECK_FULL_REGS(regs) BUG_ON(!FULL_REGS(regs))
191 #define TRAP(regs) ((regs)->trap & ~TRAP_FLAGS_MASK)
192 #define FULL_REGS(regs) (((regs)->trap & 1) == 0)
193 #define SET_FULL_REGS(regs) ((regs)->trap &= ~1)
194 #define IS_CRITICAL_EXC(regs) (((regs)->trap & 2) != 0)
195 #define IS_MCHECK_EXC(regs) (((regs)->trap & 4) != 0)
196 #define IS_DEBUG_EXC(regs) (((regs)->trap & 8) != 0)
198 #define CHECK_FULL_REGS(regs) \
200 if ((regs)->trap & 1) \
205 static inline void set_trap(struct pt_regs *regs, unsigned long val)
207 regs->trap = (regs->trap & TRAP_FLAGS_MASK) | (val & ~TRAP_FLAGS_MASK);
210 static inline bool trap_is_scv(struct pt_regs *regs)
212 return (IS_ENABLED(CONFIG_PPC_BOOK3S_64) && TRAP(regs) == 0x3000);
215 static inline bool trap_is_syscall(struct pt_regs *regs)
217 return (trap_is_scv(regs) || TRAP(regs) == 0xc00);
220 static inline bool trap_norestart(struct pt_regs *regs)
222 return regs->trap & 0x10;
225 static inline void set_trap_norestart(struct pt_regs *regs)
227 regs->trap |= 0x10;
230 #define kernel_stack_pointer(regs) ((regs)->gpr[1])
231 static inline int is_syscall_success(struct pt_regs *regs)
233 if (trap_is_scv(regs))
234 return !IS_ERR_VALUE((unsigned long)regs->gpr[3]);
236 return !(regs->ccr & 0x10000000);
239 static inline long regs_return_value(struct pt_regs *regs)
241 if (trap_is_scv(regs))
242 return regs->gpr[3];
244 if (is_syscall_success(regs))
245 return regs->gpr[3];
247 return -regs->gpr[3];
250 static inline void regs_set_return_value(struct pt_regs *regs, unsigned long rc)
252 regs->gpr[3] = rc;
271 * @regs: pt_regs from which register value is gotten
274 * regs_get_register returns the value of a register whose offset from @regs.
278 static inline unsigned long regs_get_register(struct pt_regs *regs,
283 return *(unsigned long *)((unsigned long)regs + offset);
288 * @regs: pt_regs which contains kernel stack pointer.
295 static inline bool regs_within_kernel_stack(struct pt_regs *regs,
299 (kernel_stack_pointer(regs) & ~(THREAD_SIZE - 1)));
304 * @regs: pt_regs which contains kernel stack pointer.
308 * is specified by @regs. If the @n th entry is NOT in the kernel stack,
311 static inline unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,
314 unsigned long *addr = (unsigned long *)kernel_stack_pointer(regs);
316 if (regs_within_kernel_stack(regs, (unsigned long)addr))