| Message ID | 1434395229-6654-2-git-send-email-dave.long@linaro.org |
|---|---|
| State | New |
| Headers | show |
On 15 June 2015 at 20:07, David Long <dave.long@linaro.org> wrote: > From: "David A. Long" <dave.long@linaro.org> > > Add HAVE_REGS_AND_STACK_ACCESS_API feature for arm64. > > Signed-off-by: David A. Long <dave.long@linaro.org> > --- > arch/arm64/Kconfig | 1 + > arch/arm64/include/asm/ptrace.h | 25 +++++++++++++ > arch/arm64/kernel/ptrace.c | 77 +++++++++++++++++++++++++++++++++++++++++ > 3 files changed, 103 insertions(+) > > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > index 7796af4..966091f 100644 > --- a/arch/arm64/Kconfig > +++ b/arch/arm64/Kconfig > @@ -68,6 +68,7 @@ config ARM64 > select HAVE_PERF_EVENTS > select HAVE_PERF_REGS > select HAVE_PERF_USER_STACK_DUMP > + select HAVE_REGS_AND_STACK_ACCESS_API > select HAVE_RCU_TABLE_FREE > select HAVE_SYSCALL_TRACEPOINTS > select IRQ_DOMAIN > diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h > index d6dd9fd..8f440e9 100644 > --- a/arch/arm64/include/asm/ptrace.h > +++ b/arch/arm64/include/asm/ptrace.h > @@ -118,6 +118,8 @@ struct pt_regs { > u64 syscallno; > }; > > +#define MAX_REG_OFFSET (sizeof(struct user_pt_regs) - sizeof(u64)) > + > #define arch_has_single_step() (1) > > #ifdef CONFIG_COMPAT > @@ -146,6 +148,29 @@ struct pt_regs { > #define user_stack_pointer(regs) \ > (!compat_user_mode(regs) ? (regs)->sp : (regs)->compat_sp) > > +/** > + * regs_get_register() - get register value from its offset > + * @regs: pt_regs from which register value is gotten > + * @offset: offset number of the register. > + * > + * regs_get_register returns the value of a register whose offset from @regs. > + * The @offset is the offset of the register in struct pt_regs. > + * If @offset is bigger than MAX_REG_OFFSET, this returns 0. > + */ > +static inline u64 regs_get_register(struct pt_regs *regs, > + unsigned int offset) > +{ > + if (unlikely(offset > MAX_REG_OFFSET)) > + return 0; > + return *(u64 *)((u64)regs + offset); Why not: return regs->regs[offset]; > +} > + > +/* Valid only for Kernel mode traps. */ > +static inline unsigned long kernel_stack_pointer(struct pt_regs *regs) > +{ > + return regs->sp; > +} > + > static inline unsigned long regs_return_value(struct pt_regs *regs) > { > return regs->regs[0]; > diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c > index d882b83..f6199a5 100644 > --- a/arch/arm64/kernel/ptrace.c > +++ b/arch/arm64/kernel/ptrace.c > @@ -48,6 +48,83 @@ > #define CREATE_TRACE_POINTS > #include <trace/events/syscalls.h> > > +#define ARM_pstate pstate > +#define ARM_pc pc > +#define ARM_sp sp > +#define ARM_x30 regs[30] > +#define ARM_x29 regs[29] > +#define ARM_x28 regs[28] > +#define ARM_x27 regs[27] > +#define ARM_x26 regs[26] > +#define ARM_x25 regs[25] > +#define ARM_x24 regs[24] > +#define ARM_x23 regs[23] > +#define ARM_x22 regs[22] > +#define ARM_x21 regs[21] > +#define ARM_x20 regs[20] > +#define ARM_x19 regs[19] > +#define ARM_x18 regs[18] > +#define ARM_x17 regs[17] > +#define ARM_x16 regs[16] > +#define ARM_x15 regs[15] > +#define ARM_x14 regs[14] > +#define ARM_x13 regs[13] > +#define ARM_x12 regs[12] > +#define ARM_x11 regs[11] > +#define ARM_x10 regs[10] > +#define ARM_x9 regs[9] > +#define ARM_x8 regs[8] > +#define ARM_x7 regs[7] > +#define ARM_x6 regs[6] > +#define ARM_x5 regs[5] > +#define ARM_x4 regs[4] > +#define ARM_x3 regs[3] > +#define ARM_x2 regs[2] > +#define ARM_x1 regs[1] > +#define ARM_x0 regs[0] > + > +#define REG_OFFSET_NAME(r) \ > + {.name = #r, .offset = offsetof(struct pt_regs, ARM_##r)} > +#define REG_OFFSET_END {.name = NULL, .offset = 0} > + > +const struct pt_regs_offset regs_offset_table[] = { > + REG_OFFSET_NAME(x0), > + REG_OFFSET_NAME(x1), > + REG_OFFSET_NAME(x2), > + REG_OFFSET_NAME(x3), > + REG_OFFSET_NAME(x4), > + REG_OFFSET_NAME(x5), > + REG_OFFSET_NAME(x6), > + REG_OFFSET_NAME(x7), > + REG_OFFSET_NAME(x8), > + REG_OFFSET_NAME(x9), > + REG_OFFSET_NAME(x10), > + REG_OFFSET_NAME(x11), > + REG_OFFSET_NAME(x12), > + REG_OFFSET_NAME(x13), > + REG_OFFSET_NAME(x14), > + REG_OFFSET_NAME(x15), > + REG_OFFSET_NAME(x16), > + REG_OFFSET_NAME(x17), > + REG_OFFSET_NAME(x18), > + REG_OFFSET_NAME(x19), > + REG_OFFSET_NAME(x20), > + REG_OFFSET_NAME(x21), > + REG_OFFSET_NAME(x22), > + REG_OFFSET_NAME(x23), > + REG_OFFSET_NAME(x24), > + REG_OFFSET_NAME(x25), > + REG_OFFSET_NAME(x26), > + REG_OFFSET_NAME(x27), > + REG_OFFSET_NAME(x28), > + REG_OFFSET_NAME(x29), > + REG_OFFSET_NAME(x30), > + REG_OFFSET_NAME(sp), > + REG_OFFSET_NAME(pc), > + REG_OFFSET_NAME(pstate), > + REG_OFFSET_END, > +}; > + > /* > * TODO: does not yet catch signals sent when the child dies. > * in exit.c or in signal.c. > -- > 1.8.1.2 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
On 06/29/15 13:23, Steve Capper wrote: > On 15 June 2015 at 20:07, David Long <dave.long@linaro.org> wrote: >> From: "David A. Long" <dave.long@linaro.org> >> >> Add HAVE_REGS_AND_STACK_ACCESS_API feature for arm64. >> >> Signed-off-by: David A. Long <dave.long@linaro.org> >> --- >> arch/arm64/Kconfig | 1 + >> arch/arm64/include/asm/ptrace.h | 25 +++++++++++++ >> arch/arm64/kernel/ptrace.c | 77 +++++++++++++++++++++++++++++++++++++++++ >> 3 files changed, 103 insertions(+) >> >> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig >> index 7796af4..966091f 100644 >> --- a/arch/arm64/Kconfig >> +++ b/arch/arm64/Kconfig >> @@ -68,6 +68,7 @@ config ARM64 >> select HAVE_PERF_EVENTS >> select HAVE_PERF_REGS >> select HAVE_PERF_USER_STACK_DUMP >> + select HAVE_REGS_AND_STACK_ACCESS_API >> select HAVE_RCU_TABLE_FREE >> select HAVE_SYSCALL_TRACEPOINTS >> select IRQ_DOMAIN >> diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h >> index d6dd9fd..8f440e9 100644 >> --- a/arch/arm64/include/asm/ptrace.h >> +++ b/arch/arm64/include/asm/ptrace.h >> @@ -118,6 +118,8 @@ struct pt_regs { >> u64 syscallno; >> }; >> >> +#define MAX_REG_OFFSET (sizeof(struct user_pt_regs) - sizeof(u64)) >> + >> #define arch_has_single_step() (1) >> >> #ifdef CONFIG_COMPAT >> @@ -146,6 +148,29 @@ struct pt_regs { >> #define user_stack_pointer(regs) \ >> (!compat_user_mode(regs) ? (regs)->sp : (regs)->compat_sp) >> >> +/** >> + * regs_get_register() - get register value from its offset >> + * @regs: pt_regs from which register value is gotten >> + * @offset: offset number of the register. >> + * >> + * regs_get_register returns the value of a register whose offset from @regs. >> + * The @offset is the offset of the register in struct pt_regs. >> + * If @offset is bigger than MAX_REG_OFFSET, this returns 0. >> + */ >> +static inline u64 regs_get_register(struct pt_regs *regs, >> + unsigned int offset) >> +{ >> + if (unlikely(offset > MAX_REG_OFFSET)) >> + return 0; >> + return *(u64 *)((u64)regs + offset); > > Why not: > return regs->regs[offset]; > This would not be correct. The offset is a byte offset and your code would index eight times that amount into the structure. The offset needs to remain a byte offset so architecture-independent code does not need to know the architecture-specific layout of the structure. >> +} >> + >> +/* Valid only for Kernel mode traps. */ >> +static inline unsigned long kernel_stack_pointer(struct pt_regs *regs) >> +{ >> + return regs->sp; >> +} >> + >> static inline unsigned long regs_return_value(struct pt_regs *regs) >> { >> return regs->regs[0]; >> diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c >> index d882b83..f6199a5 100644 >> --- a/arch/arm64/kernel/ptrace.c >> +++ b/arch/arm64/kernel/ptrace.c >> @@ -48,6 +48,83 @@ >> #define CREATE_TRACE_POINTS >> #include <trace/events/syscalls.h> >> >> +#define ARM_pstate pstate >> +#define ARM_pc pc >> +#define ARM_sp sp >> +#define ARM_x30 regs[30] >> +#define ARM_x29 regs[29] >> +#define ARM_x28 regs[28] >> +#define ARM_x27 regs[27] >> +#define ARM_x26 regs[26] >> +#define ARM_x25 regs[25] >> +#define ARM_x24 regs[24] >> +#define ARM_x23 regs[23] >> +#define ARM_x22 regs[22] >> +#define ARM_x21 regs[21] >> +#define ARM_x20 regs[20] >> +#define ARM_x19 regs[19] >> +#define ARM_x18 regs[18] >> +#define ARM_x17 regs[17] >> +#define ARM_x16 regs[16] >> +#define ARM_x15 regs[15] >> +#define ARM_x14 regs[14] >> +#define ARM_x13 regs[13] >> +#define ARM_x12 regs[12] >> +#define ARM_x11 regs[11] >> +#define ARM_x10 regs[10] >> +#define ARM_x9 regs[9] >> +#define ARM_x8 regs[8] >> +#define ARM_x7 regs[7] >> +#define ARM_x6 regs[6] >> +#define ARM_x5 regs[5] >> +#define ARM_x4 regs[4] >> +#define ARM_x3 regs[3] >> +#define ARM_x2 regs[2] >> +#define ARM_x1 regs[1] >> +#define ARM_x0 regs[0] >> + >> +#define REG_OFFSET_NAME(r) \ >> + {.name = #r, .offset = offsetof(struct pt_regs, ARM_##r)} >> +#define REG_OFFSET_END {.name = NULL, .offset = 0} >> + >> +const struct pt_regs_offset regs_offset_table[] = { >> + REG_OFFSET_NAME(x0), >> + REG_OFFSET_NAME(x1), >> + REG_OFFSET_NAME(x2), >> + REG_OFFSET_NAME(x3), >> + REG_OFFSET_NAME(x4), >> + REG_OFFSET_NAME(x5), >> + REG_OFFSET_NAME(x6), >> + REG_OFFSET_NAME(x7), >> + REG_OFFSET_NAME(x8), >> + REG_OFFSET_NAME(x9), >> + REG_OFFSET_NAME(x10), >> + REG_OFFSET_NAME(x11), >> + REG_OFFSET_NAME(x12), >> + REG_OFFSET_NAME(x13), >> + REG_OFFSET_NAME(x14), >> + REG_OFFSET_NAME(x15), >> + REG_OFFSET_NAME(x16), >> + REG_OFFSET_NAME(x17), >> + REG_OFFSET_NAME(x18), >> + REG_OFFSET_NAME(x19), >> + REG_OFFSET_NAME(x20), >> + REG_OFFSET_NAME(x21), >> + REG_OFFSET_NAME(x22), >> + REG_OFFSET_NAME(x23), >> + REG_OFFSET_NAME(x24), >> + REG_OFFSET_NAME(x25), >> + REG_OFFSET_NAME(x26), >> + REG_OFFSET_NAME(x27), >> + REG_OFFSET_NAME(x28), >> + REG_OFFSET_NAME(x29), >> + REG_OFFSET_NAME(x30), >> + REG_OFFSET_NAME(sp), >> + REG_OFFSET_NAME(pc), >> + REG_OFFSET_NAME(pstate), >> + REG_OFFSET_END, >> +}; >> + >> /* >> * TODO: does not yet catch signals sent when the child dies. >> * in exit.c or in signal.c. >> -- >> 1.8.1.2 >> Thanks, -dl -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
On 29 June 2015 at 19:36, David Long <dave.long@linaro.org> wrote: > On 06/29/15 13:23, Steve Capper wrote: >> >> On 15 June 2015 at 20:07, David Long <dave.long@linaro.org> wrote: >>> >>> From: "David A. Long" <dave.long@linaro.org> >>> >>> Add HAVE_REGS_AND_STACK_ACCESS_API feature for arm64. >>> >>> Signed-off-by: David A. Long <dave.long@linaro.org> >>> --- >>> arch/arm64/Kconfig | 1 + >>> arch/arm64/include/asm/ptrace.h | 25 +++++++++++++ >>> arch/arm64/kernel/ptrace.c | 77 >>> +++++++++++++++++++++++++++++++++++++++++ >>> 3 files changed, 103 insertions(+) >>> >>> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig >>> index 7796af4..966091f 100644 >>> --- a/arch/arm64/Kconfig >>> +++ b/arch/arm64/Kconfig >>> @@ -68,6 +68,7 @@ config ARM64 >>> select HAVE_PERF_EVENTS >>> select HAVE_PERF_REGS >>> select HAVE_PERF_USER_STACK_DUMP >>> + select HAVE_REGS_AND_STACK_ACCESS_API >>> select HAVE_RCU_TABLE_FREE >>> select HAVE_SYSCALL_TRACEPOINTS >>> select IRQ_DOMAIN >>> diff --git a/arch/arm64/include/asm/ptrace.h >>> b/arch/arm64/include/asm/ptrace.h >>> index d6dd9fd..8f440e9 100644 >>> --- a/arch/arm64/include/asm/ptrace.h >>> +++ b/arch/arm64/include/asm/ptrace.h >>> @@ -118,6 +118,8 @@ struct pt_regs { >>> u64 syscallno; >>> }; >>> >>> +#define MAX_REG_OFFSET (sizeof(struct user_pt_regs) - sizeof(u64)) >>> + >>> #define arch_has_single_step() (1) >>> >>> #ifdef CONFIG_COMPAT >>> @@ -146,6 +148,29 @@ struct pt_regs { >>> #define user_stack_pointer(regs) \ >>> (!compat_user_mode(regs) ? (regs)->sp : (regs)->compat_sp) >>> >>> +/** >>> + * regs_get_register() - get register value from its offset >>> + * @regs: pt_regs from which register value is gotten >>> + * @offset: offset number of the register. >>> + * >>> + * regs_get_register returns the value of a register whose offset from >>> @regs. >>> + * The @offset is the offset of the register in struct pt_regs. >>> + * If @offset is bigger than MAX_REG_OFFSET, this returns 0. >>> + */ >>> +static inline u64 regs_get_register(struct pt_regs *regs, >>> + unsigned int offset) >>> +{ >>> + if (unlikely(offset > MAX_REG_OFFSET)) >>> + return 0; >>> + return *(u64 *)((u64)regs + offset); >> >> >> Why not: >> return regs->regs[offset]; >> > > This would not be correct. The offset is a byte offset and your code would > index eight times that amount into the structure. The offset needs to > remain a byte offset so architecture-independent code does not need to know > the architecture-specific layout of the structure. Ahh, apologies. Thank you, I substituted offset as index in my head. > > >>> +} >>> + >>> +/* Valid only for Kernel mode traps. */ >>> +static inline unsigned long kernel_stack_pointer(struct pt_regs *regs) >>> +{ >>> + return regs->sp; >>> +} >>> + >>> static inline unsigned long regs_return_value(struct pt_regs *regs) >>> { >>> return regs->regs[0]; >>> diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c >>> index d882b83..f6199a5 100644 >>> --- a/arch/arm64/kernel/ptrace.c >>> +++ b/arch/arm64/kernel/ptrace.c >>> @@ -48,6 +48,83 @@ >>> #define CREATE_TRACE_POINTS >>> #include <trace/events/syscalls.h> >>> >>> +#define ARM_pstate pstate >>> +#define ARM_pc pc >>> +#define ARM_sp sp >>> +#define ARM_x30 regs[30] >>> +#define ARM_x29 regs[29] >>> +#define ARM_x28 regs[28] >>> +#define ARM_x27 regs[27] >>> +#define ARM_x26 regs[26] >>> +#define ARM_x25 regs[25] >>> +#define ARM_x24 regs[24] >>> +#define ARM_x23 regs[23] >>> +#define ARM_x22 regs[22] >>> +#define ARM_x21 regs[21] >>> +#define ARM_x20 regs[20] >>> +#define ARM_x19 regs[19] >>> +#define ARM_x18 regs[18] >>> +#define ARM_x17 regs[17] >>> +#define ARM_x16 regs[16] >>> +#define ARM_x15 regs[15] >>> +#define ARM_x14 regs[14] >>> +#define ARM_x13 regs[13] >>> +#define ARM_x12 regs[12] >>> +#define ARM_x11 regs[11] >>> +#define ARM_x10 regs[10] >>> +#define ARM_x9 regs[9] >>> +#define ARM_x8 regs[8] >>> +#define ARM_x7 regs[7] >>> +#define ARM_x6 regs[6] >>> +#define ARM_x5 regs[5] >>> +#define ARM_x4 regs[4] >>> +#define ARM_x3 regs[3] >>> +#define ARM_x2 regs[2] >>> +#define ARM_x1 regs[1] >>> +#define ARM_x0 regs[0] >>> + >>> +#define REG_OFFSET_NAME(r) \ >>> + {.name = #r, .offset = offsetof(struct pt_regs, ARM_##r)} >>> +#define REG_OFFSET_END {.name = NULL, .offset = 0} >>> + >>> +const struct pt_regs_offset regs_offset_table[] = { >>> + REG_OFFSET_NAME(x0), >>> + REG_OFFSET_NAME(x1), >>> + REG_OFFSET_NAME(x2), >>> + REG_OFFSET_NAME(x3), >>> + REG_OFFSET_NAME(x4), >>> + REG_OFFSET_NAME(x5), >>> + REG_OFFSET_NAME(x6), >>> + REG_OFFSET_NAME(x7), >>> + REG_OFFSET_NAME(x8), >>> + REG_OFFSET_NAME(x9), >>> + REG_OFFSET_NAME(x10), >>> + REG_OFFSET_NAME(x11), >>> + REG_OFFSET_NAME(x12), >>> + REG_OFFSET_NAME(x13), >>> + REG_OFFSET_NAME(x14), >>> + REG_OFFSET_NAME(x15), >>> + REG_OFFSET_NAME(x16), >>> + REG_OFFSET_NAME(x17), >>> + REG_OFFSET_NAME(x18), >>> + REG_OFFSET_NAME(x19), >>> + REG_OFFSET_NAME(x20), >>> + REG_OFFSET_NAME(x21), >>> + REG_OFFSET_NAME(x22), >>> + REG_OFFSET_NAME(x23), >>> + REG_OFFSET_NAME(x24), >>> + REG_OFFSET_NAME(x25), >>> + REG_OFFSET_NAME(x26), >>> + REG_OFFSET_NAME(x27), >>> + REG_OFFSET_NAME(x28), >>> + REG_OFFSET_NAME(x29), >>> + REG_OFFSET_NAME(x30), >>> + REG_OFFSET_NAME(sp), >>> + REG_OFFSET_NAME(pc), >>> + REG_OFFSET_NAME(pstate), >>> + REG_OFFSET_END, >>> +}; >>> + >>> /* >>> * TODO: does not yet catch signals sent when the child dies. >>> * in exit.c or in signal.c. >>> -- >>> 1.8.1.2 >>> > > Thanks, > -dl > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 7796af4..966091f 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -68,6 +68,7 @@ config ARM64 select HAVE_PERF_EVENTS select HAVE_PERF_REGS select HAVE_PERF_USER_STACK_DUMP + select HAVE_REGS_AND_STACK_ACCESS_API select HAVE_RCU_TABLE_FREE select HAVE_SYSCALL_TRACEPOINTS select IRQ_DOMAIN diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h index d6dd9fd..8f440e9 100644 --- a/arch/arm64/include/asm/ptrace.h +++ b/arch/arm64/include/asm/ptrace.h @@ -118,6 +118,8 @@ struct pt_regs { u64 syscallno; }; +#define MAX_REG_OFFSET (sizeof(struct user_pt_regs) - sizeof(u64)) + #define arch_has_single_step() (1) #ifdef CONFIG_COMPAT @@ -146,6 +148,29 @@ struct pt_regs { #define user_stack_pointer(regs) \ (!compat_user_mode(regs) ? (regs)->sp : (regs)->compat_sp) +/** + * regs_get_register() - get register value from its offset + * @regs: pt_regs from which register value is gotten + * @offset: offset number of the register. + * + * regs_get_register returns the value of a register whose offset from @regs. + * The @offset is the offset of the register in struct pt_regs. + * If @offset is bigger than MAX_REG_OFFSET, this returns 0. + */ +static inline u64 regs_get_register(struct pt_regs *regs, + unsigned int offset) +{ + if (unlikely(offset > MAX_REG_OFFSET)) + return 0; + return *(u64 *)((u64)regs + offset); +} + +/* Valid only for Kernel mode traps. */ +static inline unsigned long kernel_stack_pointer(struct pt_regs *regs) +{ + return regs->sp; +} + static inline unsigned long regs_return_value(struct pt_regs *regs) { return regs->regs[0]; diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c index d882b83..f6199a5 100644 --- a/arch/arm64/kernel/ptrace.c +++ b/arch/arm64/kernel/ptrace.c @@ -48,6 +48,83 @@ #define CREATE_TRACE_POINTS #include <trace/events/syscalls.h> +#define ARM_pstate pstate +#define ARM_pc pc +#define ARM_sp sp +#define ARM_x30 regs[30] +#define ARM_x29 regs[29] +#define ARM_x28 regs[28] +#define ARM_x27 regs[27] +#define ARM_x26 regs[26] +#define ARM_x25 regs[25] +#define ARM_x24 regs[24] +#define ARM_x23 regs[23] +#define ARM_x22 regs[22] +#define ARM_x21 regs[21] +#define ARM_x20 regs[20] +#define ARM_x19 regs[19] +#define ARM_x18 regs[18] +#define ARM_x17 regs[17] +#define ARM_x16 regs[16] +#define ARM_x15 regs[15] +#define ARM_x14 regs[14] +#define ARM_x13 regs[13] +#define ARM_x12 regs[12] +#define ARM_x11 regs[11] +#define ARM_x10 regs[10] +#define ARM_x9 regs[9] +#define ARM_x8 regs[8] +#define ARM_x7 regs[7] +#define ARM_x6 regs[6] +#define ARM_x5 regs[5] +#define ARM_x4 regs[4] +#define ARM_x3 regs[3] +#define ARM_x2 regs[2] +#define ARM_x1 regs[1] +#define ARM_x0 regs[0] + +#define REG_OFFSET_NAME(r) \ + {.name = #r, .offset = offsetof(struct pt_regs, ARM_##r)} +#define REG_OFFSET_END {.name = NULL, .offset = 0} + +const struct pt_regs_offset regs_offset_table[] = { + REG_OFFSET_NAME(x0), + REG_OFFSET_NAME(x1), + REG_OFFSET_NAME(x2), + REG_OFFSET_NAME(x3), + REG_OFFSET_NAME(x4), + REG_OFFSET_NAME(x5), + REG_OFFSET_NAME(x6), + REG_OFFSET_NAME(x7), + REG_OFFSET_NAME(x8), + REG_OFFSET_NAME(x9), + REG_OFFSET_NAME(x10), + REG_OFFSET_NAME(x11), + REG_OFFSET_NAME(x12), + REG_OFFSET_NAME(x13), + REG_OFFSET_NAME(x14), + REG_OFFSET_NAME(x15), + REG_OFFSET_NAME(x16), + REG_OFFSET_NAME(x17), + REG_OFFSET_NAME(x18), + REG_OFFSET_NAME(x19), + REG_OFFSET_NAME(x20), + REG_OFFSET_NAME(x21), + REG_OFFSET_NAME(x22), + REG_OFFSET_NAME(x23), + REG_OFFSET_NAME(x24), + REG_OFFSET_NAME(x25), + REG_OFFSET_NAME(x26), + REG_OFFSET_NAME(x27), + REG_OFFSET_NAME(x28), + REG_OFFSET_NAME(x29), + REG_OFFSET_NAME(x30), + REG_OFFSET_NAME(sp), + REG_OFFSET_NAME(pc), + REG_OFFSET_NAME(pstate), + REG_OFFSET_END, +}; + /* * TODO: does not yet catch signals sent when the child dies. * in exit.c or in signal.c.