diff options
Diffstat (limited to 'arch/powerpc/include/asm/ptrace.h')
| -rw-r--r-- | arch/powerpc/include/asm/ptrace.h | 84 |
1 files changed, 77 insertions, 7 deletions
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h index cbd759e3cd78..9e2d84c06b74 100644 --- a/arch/powerpc/include/asm/ptrace.h +++ b/arch/powerpc/include/asm/ptrace.h @@ -24,6 +24,12 @@ * 2 of the License, or (at your option) any later version. */ +#ifdef __KERNEL__ +#include <linux/types.h> +#else +#include <stdint.h> +#endif + #ifndef __ASSEMBLY__ struct pt_regs { @@ -131,15 +137,8 @@ do { \ } while (0) #endif /* __powerpc64__ */ -/* - * These are defined as per linux/ptrace.h, which see. - */ #define arch_has_single_step() (1) #define arch_has_block_step() (!cpu_has_feature(CPU_FTR_601)) -extern void user_enable_single_step(struct task_struct *); -extern void user_enable_block_step(struct task_struct *); -extern void user_disable_single_step(struct task_struct *); - #define ARCH_HAS_USER_SINGLE_STEP_INFO #endif /* __ASSEMBLY__ */ @@ -294,4 +293,75 @@ extern void user_disable_single_step(struct task_struct *); #define PTRACE_SINGLEBLOCK 0x100 /* resume execution until next branch */ +#define PPC_PTRACE_GETHWDBGINFO 0x89 +#define PPC_PTRACE_SETHWDEBUG 0x88 +#define PPC_PTRACE_DELHWDEBUG 0x87 + +#ifndef __ASSEMBLY__ + +struct ppc_debug_info { + uint32_t version; /* Only version 1 exists to date */ + uint32_t num_instruction_bps; + uint32_t num_data_bps; + uint32_t num_condition_regs; + uint32_t data_bp_alignment; + uint32_t sizeof_condition; /* size of the DVC register */ + uint64_t features; +}; + +#endif /* __ASSEMBLY__ */ + +/* + * features will have bits indication whether there is support for: + */ +#define PPC_DEBUG_FEATURE_INSN_BP_RANGE 0x0000000000000001 +#define PPC_DEBUG_FEATURE_INSN_BP_MASK 0x0000000000000002 +#define PPC_DEBUG_FEATURE_DATA_BP_RANGE 0x0000000000000004 +#define PPC_DEBUG_FEATURE_DATA_BP_MASK 0x0000000000000008 + +#ifndef __ASSEMBLY__ + +struct ppc_hw_breakpoint { + uint32_t version; /* currently, version must be 1 */ + uint32_t trigger_type; /* only some combinations allowed */ + uint32_t addr_mode; /* address match mode */ + uint32_t condition_mode; /* break/watchpoint condition flags */ + uint64_t addr; /* break/watchpoint address */ + uint64_t addr2; /* range end or mask */ + uint64_t condition_value; /* contents of the DVC register */ +}; + +#endif /* __ASSEMBLY__ */ + +/* + * Trigger Type + */ +#define PPC_BREAKPOINT_TRIGGER_EXECUTE 0x00000001 +#define PPC_BREAKPOINT_TRIGGER_READ 0x00000002 +#define PPC_BREAKPOINT_TRIGGER_WRITE 0x00000004 +#define PPC_BREAKPOINT_TRIGGER_RW \ + (PPC_BREAKPOINT_TRIGGER_READ | PPC_BREAKPOINT_TRIGGER_WRITE) + +/* + * Address Mode + */ +#define PPC_BREAKPOINT_MODE_EXACT 0x00000000 +#define PPC_BREAKPOINT_MODE_RANGE_INCLUSIVE 0x00000001 +#define PPC_BREAKPOINT_MODE_RANGE_EXCLUSIVE 0x00000002 +#define PPC_BREAKPOINT_MODE_MASK 0x00000003 + +/* + * Condition Mode + */ +#define PPC_BREAKPOINT_CONDITION_MODE 0x00000003 +#define PPC_BREAKPOINT_CONDITION_NONE 0x00000000 +#define PPC_BREAKPOINT_CONDITION_AND 0x00000001 +#define PPC_BREAKPOINT_CONDITION_EXACT PPC_BREAKPOINT_CONDITION_AND +#define PPC_BREAKPOINT_CONDITION_OR 0x00000002 +#define PPC_BREAKPOINT_CONDITION_AND_OR 0x00000003 +#define PPC_BREAKPOINT_CONDITION_BE_ALL 0x00ff0000 +#define PPC_BREAKPOINT_CONDITION_BE_SHIFT 16 +#define PPC_BREAKPOINT_CONDITION_BE(n) \ + (1<<((n)+PPC_BREAKPOINT_CONDITION_BE_SHIFT)) + #endif /* _ASM_POWERPC_PTRACE_H */ |