* [PATCH v2 03/24] ptrace: change signature of arch_ptrace() [not found] <1283442391-23612-1-git-send-email-namhyung@gmail.com> @ 2010-09-02 15:46 ` Namhyung Kim 2010-09-02 15:46 ` Namhyung Kim 2010-09-03 7:40 ` David Howells 0 siblings, 2 replies; 3+ messages in thread From: Namhyung Kim @ 2010-09-02 15:46 UTC (permalink / raw) To: Roland McGrath, Oleg Nesterov; +Cc: Arnd Bergmann, linux-kernel, linux-arch Fix up the arguments to arch_ptrace() to take account of the fact that @addr and @data are now unsigned long rather than long as of a preceding patch in this series. Signed-off-by: Namhyung Kim <namhyung@gmail.com> Cc: linux-arch@vger.kernel.org --- arch/alpha/kernel/ptrace.c | 7 ++++--- arch/arm/kernel/ptrace.c | 3 ++- arch/avr32/kernel/ptrace.c | 3 ++- arch/blackfin/kernel/ptrace.c | 3 ++- arch/cris/arch-v10/kernel/ptrace.c | 7 ++++--- arch/cris/arch-v32/kernel/ptrace.c | 3 ++- arch/frv/kernel/ptrace.c | 3 ++- arch/h8300/kernel/ptrace.c | 7 ++++--- arch/ia64/kernel/ptrace.c | 3 ++- arch/m32r/kernel/ptrace.c | 3 ++- arch/m68k/kernel/ptrace.c | 9 +++++---- arch/m68knommu/kernel/ptrace.c | 9 +++++---- arch/microblaze/kernel/ptrace.c | 3 ++- arch/mips/kernel/ptrace.c | 3 ++- arch/mn10300/kernel/ptrace.c | 3 ++- arch/parisc/kernel/ptrace.c | 11 ++++++----- arch/powerpc/kernel/ptrace.c | 15 ++++++++------- arch/s390/kernel/ptrace.c | 3 ++- arch/score/kernel/ptrace.c | 3 ++- arch/sh/kernel/ptrace_32.c | 25 +++++++++++++------------ arch/sh/kernel/ptrace_64.c | 6 ++++-- arch/sparc/kernel/ptrace_32.c | 3 ++- arch/sparc/kernel/ptrace_64.c | 7 ++++--- arch/tile/kernel/ptrace.c | 7 ++++--- arch/um/kernel/ptrace.c | 5 +++-- arch/um/sys-i386/ptrace.c | 4 ++-- arch/um/sys-x86_64/ptrace.c | 4 ++-- arch/x86/kernel/ptrace.c | 7 ++++--- arch/xtensa/kernel/ptrace.c | 3 ++- include/linux/ptrace.h | 3 ++- 30 files changed, 102 insertions(+), 73 deletions(-) diff --git a/arch/alpha/kernel/ptrace.c b/arch/alpha/kernel/ptrace.c index baa9036..e2af5eb 100644 --- a/arch/alpha/kernel/ptrace.c +++ b/arch/alpha/kernel/ptrace.c @@ -269,7 +269,8 @@ void ptrace_disable(struct task_struct *child) user_disable_single_step(child); } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { unsigned long tmp; size_t copied; @@ -292,7 +293,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) case PTRACE_PEEKUSR: force_successful_syscall_return(); ret = get_reg(child, addr); - DBG(DBG_MEM, ("peek $%ld->%#lx\n", addr, ret)); + DBG(DBG_MEM, ("peek $%lu->%#lx\n", addr, ret)); break; /* When I and D space are separate, this will have to be fixed. */ @@ -302,7 +303,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; case PTRACE_POKEUSR: /* write the specified register */ - DBG(DBG_MEM, ("poke $%ld<-%#lx\n", addr, data)); + DBG(DBG_MEM, ("poke $%lu<-%#lx\n", addr, data)); ret = put_reg(child, addr, data); break; default: diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index f99d489..87ca2c7 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -847,7 +847,8 @@ static int ptrace_setvfpregs(struct task_struct *tsk, void __user *data) } #endif -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; diff --git a/arch/avr32/kernel/ptrace.c b/arch/avr32/kernel/ptrace.c index 5e73c25..ecea9b6 100644 --- a/arch/avr32/kernel/ptrace.c +++ b/arch/avr32/kernel/ptrace.c @@ -146,7 +146,8 @@ static int ptrace_setregs(struct task_struct *tsk, const void __user *uregs) return ret; } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c index 6ec7768..fb81620 100644 --- a/arch/blackfin/kernel/ptrace.c +++ b/arch/blackfin/kernel/ptrace.c @@ -232,7 +232,8 @@ void user_disable_single_step(struct task_struct *child) clear_tsk_thread_flag(child, TIF_SINGLESTEP); } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; unsigned long __user *datap = (unsigned long __user *)data; diff --git a/arch/cris/arch-v10/kernel/ptrace.c b/arch/cris/arch-v10/kernel/ptrace.c index e70c804..d411e02 100644 --- a/arch/cris/arch-v10/kernel/ptrace.c +++ b/arch/cris/arch-v10/kernel/ptrace.c @@ -76,7 +76,8 @@ ptrace_disable(struct task_struct *child) * (in user space) where the result of the ptrace call is written (instead of * being returned). */ -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; unsigned long __user *datap = (unsigned long __user *)data; @@ -141,7 +142,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; } - data += sizeof(long); + data += sizeof(unsigned long); } break; @@ -165,7 +166,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) } put_reg(child, i, tmp); - data += sizeof(long); + data += sizeof(unsigned long); } break; diff --git a/arch/cris/arch-v32/kernel/ptrace.c b/arch/cris/arch-v32/kernel/ptrace.c index f4ebd1e..3e058a1 100644 --- a/arch/cris/arch-v32/kernel/ptrace.c +++ b/arch/cris/arch-v32/kernel/ptrace.c @@ -126,7 +126,8 @@ ptrace_disable(struct task_struct *child) } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; unsigned long __user *datap = (unsigned long __user *)data; diff --git a/arch/frv/kernel/ptrace.c b/arch/frv/kernel/ptrace.c index fac0289..e9dbfad 100644 --- a/arch/frv/kernel/ptrace.c +++ b/arch/frv/kernel/ptrace.c @@ -254,7 +254,8 @@ void ptrace_disable(struct task_struct *child) user_disable_single_step(child); } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { unsigned long tmp; int ret; diff --git a/arch/h8300/kernel/ptrace.c b/arch/h8300/kernel/ptrace.c index df11412..ef1aa0b 100644 --- a/arch/h8300/kernel/ptrace.c +++ b/arch/h8300/kernel/ptrace.c @@ -50,7 +50,8 @@ void ptrace_disable(struct task_struct *child) user_disable_single_step(child); } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; @@ -120,7 +121,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) ret = -EFAULT; break; } - data += sizeof(long); + data += sizeof(unsigned long); } ret = 0; break; @@ -135,7 +136,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; } h8300_put_reg(child, i, tmp); - data += sizeof(long); + data += sizeof(unsigned long); } ret = 0; break; diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c index 7c7909f..8848f43 100644 --- a/arch/ia64/kernel/ptrace.c +++ b/arch/ia64/kernel/ptrace.c @@ -1177,7 +1177,8 @@ ptrace_disable (struct task_struct *child) } long -arch_ptrace (struct task_struct *child, long request, long addr, long data) +arch_ptrace (struct task_struct *child, long request, + unsigned long addr, unsigned long data) { switch (request) { case PTRACE_PEEKTEXT: diff --git a/arch/m32r/kernel/ptrace.c b/arch/m32r/kernel/ptrace.c index e555091..69bbf7a 100644 --- a/arch/m32r/kernel/ptrace.c +++ b/arch/m32r/kernel/ptrace.c @@ -621,7 +621,8 @@ void ptrace_disable(struct task_struct *child) } long -arch_ptrace(struct task_struct *child, long request, long addr, long data) +arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; diff --git a/arch/m68k/kernel/ptrace.c b/arch/m68k/kernel/ptrace.c index 616e597..583f59f 100644 --- a/arch/m68k/kernel/ptrace.c +++ b/arch/m68k/kernel/ptrace.c @@ -156,7 +156,8 @@ void user_disable_single_step(struct task_struct *child) singlestep_disable(child); } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { unsigned long tmp; int i, ret = 0; @@ -200,7 +201,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) * into internal fpu reg representation */ if (FPU_IS_EMU && (addr < 45) && !(addr % 3)) { - data = (unsigned long)data << 15; + data <<= 15; data = (data & 0xffff0000) | ((data & 0x0000ffff) >> 1); } @@ -215,7 +216,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) ret = put_user(tmp, (unsigned long *)data); if (ret) break; - data += sizeof(long); + data += sizeof(unsigned long); } break; @@ -229,7 +230,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) tmp |= get_reg(child, PT_SR) & ~SR_MASK; } put_reg(child, i, tmp); - data += sizeof(long); + data += sizeof(unsigned long); } break; diff --git a/arch/m68knommu/kernel/ptrace.c b/arch/m68knommu/kernel/ptrace.c index f6be124..4ab9448 100644 --- a/arch/m68knommu/kernel/ptrace.c +++ b/arch/m68knommu/kernel/ptrace.c @@ -111,7 +111,8 @@ void ptrace_disable(struct task_struct *child) user_disable_single_step(child); } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; @@ -180,7 +181,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) * into internal fpu reg representation */ if (FPU_IS_EMU && (addr < 45) && !(addr % 3)) { - data = (unsigned long)data << 15; + data <<= 15; data = (data & 0xffff0000) | ((data & 0x0000ffff) >> 1); } @@ -201,7 +202,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) ret = -EFAULT; break; } - data += sizeof(long); + data += sizeof(unsigned long); } ret = 0; break; @@ -221,7 +222,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) tmp |= get_reg(child, PT_SR) & ~(SR_MASK << 16); } put_reg(child, i, tmp); - data += sizeof(long); + data += sizeof(unsigned long); } ret = 0; break; diff --git a/arch/microblaze/kernel/ptrace.c b/arch/microblaze/kernel/ptrace.c index dc03ffc..3544bc1 100644 --- a/arch/microblaze/kernel/ptrace.c +++ b/arch/microblaze/kernel/ptrace.c @@ -73,7 +73,8 @@ static microblaze_reg_t *reg_save_addr(unsigned reg_offs, return (microblaze_reg_t *)((char *)regs + reg_offs); } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int rval; unsigned long val = 0; diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c index c51b95f..26c29dd 100644 --- a/arch/mips/kernel/ptrace.c +++ b/arch/mips/kernel/ptrace.c @@ -255,7 +255,8 @@ int ptrace_set_watch_regs(struct task_struct *child, return 0; } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; diff --git a/arch/mn10300/kernel/ptrace.c b/arch/mn10300/kernel/ptrace.c index cf847da..ec4b414 100644 --- a/arch/mn10300/kernel/ptrace.c +++ b/arch/mn10300/kernel/ptrace.c @@ -295,7 +295,8 @@ void ptrace_disable(struct task_struct *child) /* * handle the arch-specific side of process tracing */ -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { unsigned long tmp; int ret; diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c index c4f49e4..03920db 100644 --- a/arch/parisc/kernel/ptrace.c +++ b/arch/parisc/kernel/ptrace.c @@ -110,7 +110,8 @@ void user_enable_block_step(struct task_struct *task) pa_psw(task)->l = 0; } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { unsigned long tmp; long ret = -EIO; @@ -120,8 +121,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) /* Read the word at location addr in the USER area. For ptraced processes, the kernel saves all regs on a syscall. */ case PTRACE_PEEKUSR: - if ((addr & (sizeof(long)-1)) || - (unsigned long) addr >= sizeof(struct pt_regs)) + if ((addr & (sizeof(unsigned long)-1)) || + addr >= sizeof(struct pt_regs)) break; tmp = *(unsigned long *) ((char *) task_regs(child) + addr); ret = put_user(tmp, (unsigned long *) data); @@ -151,8 +152,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; } - if ((addr & (sizeof(long)-1)) || - (unsigned long) addr >= sizeof(struct pt_regs)) + if ((addr & (sizeof(unsigned long)-1)) || + addr >= sizeof(struct pt_regs)) break; if ((addr >= PT_GR1 && addr <= PT_GR31) || addr == PT_IAOQ0 || addr == PT_IAOQ1 || diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index 11f3cd9..e4b6d75 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -1406,8 +1406,8 @@ static long ppc_del_hwdebug(struct task_struct *child, long addr, long data) * Here are the old "legacy" powerpc specific getregs/setregs ptrace calls, * we mark them as obsolete now, they will be removed in a future version */ -static long arch_ptrace_old(struct task_struct *child, long request, long addr, - long data) +static long arch_ptrace_old(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { switch (request) { case PPC_PTRACE_GETREGS: /* Get GPRs 0 - 31. */ @@ -1434,7 +1434,8 @@ static long arch_ptrace_old(struct task_struct *child, long request, long addr, return -EPERM; } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret = -EPERM; @@ -1446,11 +1447,11 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) ret = -EIO; /* convert to index and check */ #ifdef CONFIG_PPC32 - index = (unsigned long) addr >> 2; + index = addr >> 2; if ((addr & 3) || (index > PT_FPSCR) || (child->thread.regs == NULL)) #else - index = (unsigned long) addr >> 3; + index = addr >> 3; if ((addr & 7) || (index > PT_FPSCR)) #endif break; @@ -1474,11 +1475,11 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) ret = -EIO; /* convert to index and check */ #ifdef CONFIG_PPC32 - index = (unsigned long) addr >> 2; + index = addr >> 2; if ((addr & 3) || (index > PT_FPSCR) || (child->thread.regs == NULL)) #else - index = (unsigned long) addr >> 3; + index = addr >> 3; if ((addr & 7) || (index > PT_FPSCR)) #endif break; diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c index 83339d3..019bb71 100644 --- a/arch/s390/kernel/ptrace.c +++ b/arch/s390/kernel/ptrace.c @@ -343,7 +343,8 @@ poke_user(struct task_struct *child, addr_t addr, addr_t data) return __poke_user(child, addr, data); } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { ptrace_area parea; int copied, ret; diff --git a/arch/score/kernel/ptrace.c b/arch/score/kernel/ptrace.c index 174c642..894dcbf 100644 --- a/arch/score/kernel/ptrace.c +++ b/arch/score/kernel/ptrace.c @@ -325,7 +325,8 @@ void ptrace_disable(struct task_struct *child) } long -arch_ptrace(struct task_struct *child, long request, long addr, long data) +arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; unsigned long __user *datap = (void __user *)data; diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c index 6c4bbba..7464607 100644 --- a/arch/sh/kernel/ptrace_32.c +++ b/arch/sh/kernel/ptrace_32.c @@ -338,7 +338,8 @@ const struct user_regset_view *task_user_regset_view(struct task_struct *task) return &user_sh_native_view; } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { struct user * dummy = NULL; unsigned long __user *datap = (unsigned long __user *)data; @@ -356,17 +357,17 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) if (addr < sizeof(struct pt_regs)) tmp = get_stack_long(child, addr); - else if (addr >= (long) &dummy->fpu && - addr < (long) &dummy->u_fpvalid) { + else if (addr >= (unsigned long) &dummy->fpu && + addr < (unsigned long) &dummy->u_fpvalid) { if (!tsk_used_math(child)) { - if (addr == (long)&dummy->fpu.fpscr) + if (addr == (unsigned long)&dummy->fpu.fpscr) tmp = FPSCR_INIT; else tmp = 0; } else - tmp = ((long *)child->thread.xstate) - [(addr - (long)&dummy->fpu) >> 2]; - } else if (addr == (long) &dummy->u_fpvalid) + tmp = ((unsigned long *)child->thread.xstate) + [(addr - (unsigned long)&dummy->fpu) >> 2]; + } else if (addr == (unsigned long) &dummy->u_fpvalid) tmp = !!tsk_used_math(child); else if (addr == PT_TEXT_ADDR) tmp = child->mm->start_code; @@ -390,13 +391,13 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) if (addr < sizeof(struct pt_regs)) ret = put_stack_long(child, addr, data); - else if (addr >= (long) &dummy->fpu && - addr < (long) &dummy->u_fpvalid) { + else if (addr >= (unsigned long) &dummy->fpu && + addr < (unsigned long) &dummy->u_fpvalid) { set_stopped_child_used_math(child); - ((long *)child->thread.xstate) - [(addr - (long)&dummy->fpu) >> 2] = data; + ((unsigned long *)child->thread.xstate) + [(addr - (unsigned long)&dummy->fpu) >> 2] = data; ret = 0; - } else if (addr == (long) &dummy->u_fpvalid) { + } else if (addr == (unsigned long) &dummy->u_fpvalid) { conditional_stopped_child_used_math(data, child); ret = 0; } diff --git a/arch/sh/kernel/ptrace_64.c b/arch/sh/kernel/ptrace_64.c index 5fd644d..1367134 100644 --- a/arch/sh/kernel/ptrace_64.c +++ b/arch/sh/kernel/ptrace_64.c @@ -304,7 +304,8 @@ const struct user_regset_view *task_user_regset_view(struct task_struct *task) return &user_sh64_native_view; } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; @@ -392,7 +393,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) return ret; } -asmlinkage int sh64_ptrace(long request, long pid, long addr, long data) +asmlinkage int sh64_ptrace(long request, long pid, + unsigned long addr, unsigned long data) { #define WPC_DBRMODE 0x0d104008 static int first_call = 1; diff --git a/arch/sparc/kernel/ptrace_32.c b/arch/sparc/kernel/ptrace_32.c index e608f39..e08ba4a 100644 --- a/arch/sparc/kernel/ptrace_32.c +++ b/arch/sparc/kernel/ptrace_32.c @@ -323,7 +323,8 @@ const struct user_regset_view *task_user_regset_view(struct task_struct *task) return &user_sparc32_view; } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { unsigned long addr2 = current->thread.kregs->u_regs[UREG_I4]; const struct user_regset_view *view; diff --git a/arch/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c index aa90da0..d9db5a4 100644 --- a/arch/sparc/kernel/ptrace_64.c +++ b/arch/sparc/kernel/ptrace_64.c @@ -969,7 +969,8 @@ struct fps { unsigned long fsr; }; -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { const struct user_regset_view *view = task_user_regset_view(current); unsigned long addr2 = task_pt_regs(current)->u_regs[UREG_I4]; @@ -977,8 +978,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) struct fps __user *fps; int ret; - pregs = (struct pt_regs __user *) (unsigned long) addr; - fps = (struct fps __user *) (unsigned long) addr; + pregs = (struct pt_regs __user *) addr; + fps = (struct fps __user *) addr; switch (request) { case PTRACE_PEEKUSR: diff --git a/arch/tile/kernel/ptrace.c b/arch/tile/kernel/ptrace.c index 7161bd0..aed9256 100644 --- a/arch/tile/kernel/ptrace.c +++ b/arch/tile/kernel/ptrace.c @@ -64,7 +64,8 @@ void ptrace_disable(struct task_struct *child) clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { unsigned long __user *datap; unsigned long tmp; @@ -102,7 +103,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) case PTRACE_GETREGS: /* Get all registers from the child. */ if (!access_ok(VERIFY_WRITE, datap, PTREGS_SIZE)) break; - for (i = 0; i < PTREGS_SIZE; i += sizeof(long)) { + for (i = 0; i < PTREGS_SIZE; i += sizeof(unsigned long)) { ret = __put_user(getreg(child, i), datap); if (ret != 0) break; @@ -113,7 +114,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) case PTRACE_SETREGS: /* Set all registers in the child. */ if (!access_ok(VERIFY_READ, datap, PTREGS_SIZE)) break; - for (i = 0; i < PTREGS_SIZE; i += sizeof(long)) { + for (i = 0; i < PTREGS_SIZE; i += sizeof(unsigned long)) { ret = __get_user(tmp, datap); if (ret != 0) break; diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c index e051049..963d82b 100644 --- a/arch/um/kernel/ptrace.c +++ b/arch/um/kernel/ptrace.c @@ -42,10 +42,11 @@ void ptrace_disable(struct task_struct *child) extern int peek_user(struct task_struct * child, long addr, long data); extern int poke_user(struct task_struct * child, long addr, long data); -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int i, ret; - unsigned long __user *p = (void __user *)(unsigned long)data; + unsigned long __user *p = (void __user *)data; switch (request) { /* read word at location addr. */ diff --git a/arch/um/sys-i386/ptrace.c b/arch/um/sys-i386/ptrace.c index c9b1765..d23b2d3 100644 --- a/arch/um/sys-i386/ptrace.c +++ b/arch/um/sys-i386/ptrace.c @@ -203,8 +203,8 @@ int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child) (unsigned long *) &fpregs); } -long subarch_ptrace(struct task_struct *child, long request, long addr, - long data) +long subarch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { return -EIO; } diff --git a/arch/um/sys-x86_64/ptrace.c b/arch/um/sys-x86_64/ptrace.c index f3458d7..67e6368 100644 --- a/arch/um/sys-x86_64/ptrace.c +++ b/arch/um/sys-x86_64/ptrace.c @@ -175,8 +175,8 @@ int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) return restore_fp_registers(userspace_pid[cpu], fpregs); } -long subarch_ptrace(struct task_struct *child, long request, long addr, - long data) +long subarch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret = -EIO; diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c index 70c4872..1a7ca04 100644 --- a/arch/x86/kernel/ptrace.c +++ b/arch/x86/kernel/ptrace.c @@ -801,7 +801,8 @@ void ptrace_disable(struct task_struct *child) static const struct user_regset_view user_x86_32_view; /* Initialized below. */ #endif -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; unsigned long __user *datap = (unsigned long __user *)data; @@ -888,14 +889,14 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) #if defined CONFIG_X86_32 || defined CONFIG_IA32_EMULATION case PTRACE_GET_THREAD_AREA: - if (addr < 0) + if ((int) addr < 0) return -EIO; ret = do_get_thread_area(child, addr, (struct user_desc __user *) data); break; case PTRACE_SET_THREAD_AREA: - if (addr < 0) + if ((int) addr < 0) return -EIO; ret = do_set_thread_area(child, addr, (struct user_desc __user *) data, 0); diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c index 9d4e1ce..af9ba80 100644 --- a/arch/xtensa/kernel/ptrace.c +++ b/arch/xtensa/kernel/ptrace.c @@ -256,7 +256,8 @@ int ptrace_pokeusr(struct task_struct *child, long regno, long val) return 0; } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret = -EPERM; diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h index 67a4cd7..092a04f 100644 --- a/include/linux/ptrace.h +++ b/include/linux/ptrace.h @@ -100,7 +100,8 @@ #include <linux/sched.h> /* For struct task_struct. */ -extern long arch_ptrace(struct task_struct *child, long request, long addr, long data); +extern long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data); extern int ptrace_traceme(void); extern int ptrace_readdata(struct task_struct *tsk, unsigned long src, char __user *dst, int len); extern int ptrace_writedata(struct task_struct *tsk, char __user *src, unsigned long dst, int len); -- 1.7.2.2 ^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH v2 03/24] ptrace: change signature of arch_ptrace() 2010-09-02 15:46 ` [PATCH v2 03/24] ptrace: change signature of arch_ptrace() Namhyung Kim @ 2010-09-02 15:46 ` Namhyung Kim 2010-09-03 7:40 ` David Howells 1 sibling, 0 replies; 3+ messages in thread From: Namhyung Kim @ 2010-09-02 15:46 UTC (permalink / raw) To: Roland McGrath, Oleg Nesterov; +Cc: Arnd Bergmann, linux-kernel, linux-arch Fix up the arguments to arch_ptrace() to take account of the fact that @addr and @data are now unsigned long rather than long as of a preceding patch in this series. Signed-off-by: Namhyung Kim <namhyung@gmail.com> Cc: linux-arch@vger.kernel.org --- arch/alpha/kernel/ptrace.c | 7 ++++--- arch/arm/kernel/ptrace.c | 3 ++- arch/avr32/kernel/ptrace.c | 3 ++- arch/blackfin/kernel/ptrace.c | 3 ++- arch/cris/arch-v10/kernel/ptrace.c | 7 ++++--- arch/cris/arch-v32/kernel/ptrace.c | 3 ++- arch/frv/kernel/ptrace.c | 3 ++- arch/h8300/kernel/ptrace.c | 7 ++++--- arch/ia64/kernel/ptrace.c | 3 ++- arch/m32r/kernel/ptrace.c | 3 ++- arch/m68k/kernel/ptrace.c | 9 +++++---- arch/m68knommu/kernel/ptrace.c | 9 +++++---- arch/microblaze/kernel/ptrace.c | 3 ++- arch/mips/kernel/ptrace.c | 3 ++- arch/mn10300/kernel/ptrace.c | 3 ++- arch/parisc/kernel/ptrace.c | 11 ++++++----- arch/powerpc/kernel/ptrace.c | 15 ++++++++------- arch/s390/kernel/ptrace.c | 3 ++- arch/score/kernel/ptrace.c | 3 ++- arch/sh/kernel/ptrace_32.c | 25 +++++++++++++------------ arch/sh/kernel/ptrace_64.c | 6 ++++-- arch/sparc/kernel/ptrace_32.c | 3 ++- arch/sparc/kernel/ptrace_64.c | 7 ++++--- arch/tile/kernel/ptrace.c | 7 ++++--- arch/um/kernel/ptrace.c | 5 +++-- arch/um/sys-i386/ptrace.c | 4 ++-- arch/um/sys-x86_64/ptrace.c | 4 ++-- arch/x86/kernel/ptrace.c | 7 ++++--- arch/xtensa/kernel/ptrace.c | 3 ++- include/linux/ptrace.h | 3 ++- 30 files changed, 102 insertions(+), 73 deletions(-) diff --git a/arch/alpha/kernel/ptrace.c b/arch/alpha/kernel/ptrace.c index baa9036..e2af5eb 100644 --- a/arch/alpha/kernel/ptrace.c +++ b/arch/alpha/kernel/ptrace.c @@ -269,7 +269,8 @@ void ptrace_disable(struct task_struct *child) user_disable_single_step(child); } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { unsigned long tmp; size_t copied; @@ -292,7 +293,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) case PTRACE_PEEKUSR: force_successful_syscall_return(); ret = get_reg(child, addr); - DBG(DBG_MEM, ("peek $%ld->%#lx\n", addr, ret)); + DBG(DBG_MEM, ("peek $%lu->%#lx\n", addr, ret)); break; /* When I and D space are separate, this will have to be fixed. */ @@ -302,7 +303,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; case PTRACE_POKEUSR: /* write the specified register */ - DBG(DBG_MEM, ("poke $%ld<-%#lx\n", addr, data)); + DBG(DBG_MEM, ("poke $%lu<-%#lx\n", addr, data)); ret = put_reg(child, addr, data); break; default: diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index f99d489..87ca2c7 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -847,7 +847,8 @@ static int ptrace_setvfpregs(struct task_struct *tsk, void __user *data) } #endif -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; diff --git a/arch/avr32/kernel/ptrace.c b/arch/avr32/kernel/ptrace.c index 5e73c25..ecea9b6 100644 --- a/arch/avr32/kernel/ptrace.c +++ b/arch/avr32/kernel/ptrace.c @@ -146,7 +146,8 @@ static int ptrace_setregs(struct task_struct *tsk, const void __user *uregs) return ret; } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c index 6ec7768..fb81620 100644 --- a/arch/blackfin/kernel/ptrace.c +++ b/arch/blackfin/kernel/ptrace.c @@ -232,7 +232,8 @@ void user_disable_single_step(struct task_struct *child) clear_tsk_thread_flag(child, TIF_SINGLESTEP); } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; unsigned long __user *datap = (unsigned long __user *)data; diff --git a/arch/cris/arch-v10/kernel/ptrace.c b/arch/cris/arch-v10/kernel/ptrace.c index e70c804..d411e02 100644 --- a/arch/cris/arch-v10/kernel/ptrace.c +++ b/arch/cris/arch-v10/kernel/ptrace.c @@ -76,7 +76,8 @@ ptrace_disable(struct task_struct *child) * (in user space) where the result of the ptrace call is written (instead of * being returned). */ -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; unsigned long __user *datap = (unsigned long __user *)data; @@ -141,7 +142,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; } - data += sizeof(long); + data += sizeof(unsigned long); } break; @@ -165,7 +166,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) } put_reg(child, i, tmp); - data += sizeof(long); + data += sizeof(unsigned long); } break; diff --git a/arch/cris/arch-v32/kernel/ptrace.c b/arch/cris/arch-v32/kernel/ptrace.c index f4ebd1e..3e058a1 100644 --- a/arch/cris/arch-v32/kernel/ptrace.c +++ b/arch/cris/arch-v32/kernel/ptrace.c @@ -126,7 +126,8 @@ ptrace_disable(struct task_struct *child) } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; unsigned long __user *datap = (unsigned long __user *)data; diff --git a/arch/frv/kernel/ptrace.c b/arch/frv/kernel/ptrace.c index fac0289..e9dbfad 100644 --- a/arch/frv/kernel/ptrace.c +++ b/arch/frv/kernel/ptrace.c @@ -254,7 +254,8 @@ void ptrace_disable(struct task_struct *child) user_disable_single_step(child); } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { unsigned long tmp; int ret; diff --git a/arch/h8300/kernel/ptrace.c b/arch/h8300/kernel/ptrace.c index df11412..ef1aa0b 100644 --- a/arch/h8300/kernel/ptrace.c +++ b/arch/h8300/kernel/ptrace.c @@ -50,7 +50,8 @@ void ptrace_disable(struct task_struct *child) user_disable_single_step(child); } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; @@ -120,7 +121,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) ret = -EFAULT; break; } - data += sizeof(long); + data += sizeof(unsigned long); } ret = 0; break; @@ -135,7 +136,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; } h8300_put_reg(child, i, tmp); - data += sizeof(long); + data += sizeof(unsigned long); } ret = 0; break; diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c index 7c7909f..8848f43 100644 --- a/arch/ia64/kernel/ptrace.c +++ b/arch/ia64/kernel/ptrace.c @@ -1177,7 +1177,8 @@ ptrace_disable (struct task_struct *child) } long -arch_ptrace (struct task_struct *child, long request, long addr, long data) +arch_ptrace (struct task_struct *child, long request, + unsigned long addr, unsigned long data) { switch (request) { case PTRACE_PEEKTEXT: diff --git a/arch/m32r/kernel/ptrace.c b/arch/m32r/kernel/ptrace.c index e555091..69bbf7a 100644 --- a/arch/m32r/kernel/ptrace.c +++ b/arch/m32r/kernel/ptrace.c @@ -621,7 +621,8 @@ void ptrace_disable(struct task_struct *child) } long -arch_ptrace(struct task_struct *child, long request, long addr, long data) +arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; diff --git a/arch/m68k/kernel/ptrace.c b/arch/m68k/kernel/ptrace.c index 616e597..583f59f 100644 --- a/arch/m68k/kernel/ptrace.c +++ b/arch/m68k/kernel/ptrace.c @@ -156,7 +156,8 @@ void user_disable_single_step(struct task_struct *child) singlestep_disable(child); } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { unsigned long tmp; int i, ret = 0; @@ -200,7 +201,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) * into internal fpu reg representation */ if (FPU_IS_EMU && (addr < 45) && !(addr % 3)) { - data = (unsigned long)data << 15; + data <<= 15; data = (data & 0xffff0000) | ((data & 0x0000ffff) >> 1); } @@ -215,7 +216,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) ret = put_user(tmp, (unsigned long *)data); if (ret) break; - data += sizeof(long); + data += sizeof(unsigned long); } break; @@ -229,7 +230,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) tmp |= get_reg(child, PT_SR) & ~SR_MASK; } put_reg(child, i, tmp); - data += sizeof(long); + data += sizeof(unsigned long); } break; diff --git a/arch/m68knommu/kernel/ptrace.c b/arch/m68knommu/kernel/ptrace.c index f6be124..4ab9448 100644 --- a/arch/m68knommu/kernel/ptrace.c +++ b/arch/m68knommu/kernel/ptrace.c @@ -111,7 +111,8 @@ void ptrace_disable(struct task_struct *child) user_disable_single_step(child); } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; @@ -180,7 +181,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) * into internal fpu reg representation */ if (FPU_IS_EMU && (addr < 45) && !(addr % 3)) { - data = (unsigned long)data << 15; + data <<= 15; data = (data & 0xffff0000) | ((data & 0x0000ffff) >> 1); } @@ -201,7 +202,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) ret = -EFAULT; break; } - data += sizeof(long); + data += sizeof(unsigned long); } ret = 0; break; @@ -221,7 +222,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) tmp |= get_reg(child, PT_SR) & ~(SR_MASK << 16); } put_reg(child, i, tmp); - data += sizeof(long); + data += sizeof(unsigned long); } ret = 0; break; diff --git a/arch/microblaze/kernel/ptrace.c b/arch/microblaze/kernel/ptrace.c index dc03ffc..3544bc1 100644 --- a/arch/microblaze/kernel/ptrace.c +++ b/arch/microblaze/kernel/ptrace.c @@ -73,7 +73,8 @@ static microblaze_reg_t *reg_save_addr(unsigned reg_offs, return (microblaze_reg_t *)((char *)regs + reg_offs); } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int rval; unsigned long val = 0; diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c index c51b95f..26c29dd 100644 --- a/arch/mips/kernel/ptrace.c +++ b/arch/mips/kernel/ptrace.c @@ -255,7 +255,8 @@ int ptrace_set_watch_regs(struct task_struct *child, return 0; } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; diff --git a/arch/mn10300/kernel/ptrace.c b/arch/mn10300/kernel/ptrace.c index cf847da..ec4b414 100644 --- a/arch/mn10300/kernel/ptrace.c +++ b/arch/mn10300/kernel/ptrace.c @@ -295,7 +295,8 @@ void ptrace_disable(struct task_struct *child) /* * handle the arch-specific side of process tracing */ -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { unsigned long tmp; int ret; diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c index c4f49e4..03920db 100644 --- a/arch/parisc/kernel/ptrace.c +++ b/arch/parisc/kernel/ptrace.c @@ -110,7 +110,8 @@ void user_enable_block_step(struct task_struct *task) pa_psw(task)->l = 0; } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { unsigned long tmp; long ret = -EIO; @@ -120,8 +121,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) /* Read the word at location addr in the USER area. For ptraced processes, the kernel saves all regs on a syscall. */ case PTRACE_PEEKUSR: - if ((addr & (sizeof(long)-1)) || - (unsigned long) addr >= sizeof(struct pt_regs)) + if ((addr & (sizeof(unsigned long)-1)) || + addr >= sizeof(struct pt_regs)) break; tmp = *(unsigned long *) ((char *) task_regs(child) + addr); ret = put_user(tmp, (unsigned long *) data); @@ -151,8 +152,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; } - if ((addr & (sizeof(long)-1)) || - (unsigned long) addr >= sizeof(struct pt_regs)) + if ((addr & (sizeof(unsigned long)-1)) || + addr >= sizeof(struct pt_regs)) break; if ((addr >= PT_GR1 && addr <= PT_GR31) || addr == PT_IAOQ0 || addr == PT_IAOQ1 || diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index 11f3cd9..e4b6d75 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -1406,8 +1406,8 @@ static long ppc_del_hwdebug(struct task_struct *child, long addr, long data) * Here are the old "legacy" powerpc specific getregs/setregs ptrace calls, * we mark them as obsolete now, they will be removed in a future version */ -static long arch_ptrace_old(struct task_struct *child, long request, long addr, - long data) +static long arch_ptrace_old(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { switch (request) { case PPC_PTRACE_GETREGS: /* Get GPRs 0 - 31. */ @@ -1434,7 +1434,8 @@ static long arch_ptrace_old(struct task_struct *child, long request, long addr, return -EPERM; } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret = -EPERM; @@ -1446,11 +1447,11 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) ret = -EIO; /* convert to index and check */ #ifdef CONFIG_PPC32 - index = (unsigned long) addr >> 2; + index = addr >> 2; if ((addr & 3) || (index > PT_FPSCR) || (child->thread.regs == NULL)) #else - index = (unsigned long) addr >> 3; + index = addr >> 3; if ((addr & 7) || (index > PT_FPSCR)) #endif break; @@ -1474,11 +1475,11 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) ret = -EIO; /* convert to index and check */ #ifdef CONFIG_PPC32 - index = (unsigned long) addr >> 2; + index = addr >> 2; if ((addr & 3) || (index > PT_FPSCR) || (child->thread.regs == NULL)) #else - index = (unsigned long) addr >> 3; + index = addr >> 3; if ((addr & 7) || (index > PT_FPSCR)) #endif break; diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c index 83339d3..019bb71 100644 --- a/arch/s390/kernel/ptrace.c +++ b/arch/s390/kernel/ptrace.c @@ -343,7 +343,8 @@ poke_user(struct task_struct *child, addr_t addr, addr_t data) return __poke_user(child, addr, data); } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { ptrace_area parea; int copied, ret; diff --git a/arch/score/kernel/ptrace.c b/arch/score/kernel/ptrace.c index 174c642..894dcbf 100644 --- a/arch/score/kernel/ptrace.c +++ b/arch/score/kernel/ptrace.c @@ -325,7 +325,8 @@ void ptrace_disable(struct task_struct *child) } long -arch_ptrace(struct task_struct *child, long request, long addr, long data) +arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; unsigned long __user *datap = (void __user *)data; diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c index 6c4bbba..7464607 100644 --- a/arch/sh/kernel/ptrace_32.c +++ b/arch/sh/kernel/ptrace_32.c @@ -338,7 +338,8 @@ const struct user_regset_view *task_user_regset_view(struct task_struct *task) return &user_sh_native_view; } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { struct user * dummy = NULL; unsigned long __user *datap = (unsigned long __user *)data; @@ -356,17 +357,17 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) if (addr < sizeof(struct pt_regs)) tmp = get_stack_long(child, addr); - else if (addr >= (long) &dummy->fpu && - addr < (long) &dummy->u_fpvalid) { + else if (addr >= (unsigned long) &dummy->fpu && + addr < (unsigned long) &dummy->u_fpvalid) { if (!tsk_used_math(child)) { - if (addr == (long)&dummy->fpu.fpscr) + if (addr == (unsigned long)&dummy->fpu.fpscr) tmp = FPSCR_INIT; else tmp = 0; } else - tmp = ((long *)child->thread.xstate) - [(addr - (long)&dummy->fpu) >> 2]; - } else if (addr == (long) &dummy->u_fpvalid) + tmp = ((unsigned long *)child->thread.xstate) + [(addr - (unsigned long)&dummy->fpu) >> 2]; + } else if (addr == (unsigned long) &dummy->u_fpvalid) tmp = !!tsk_used_math(child); else if (addr == PT_TEXT_ADDR) tmp = child->mm->start_code; @@ -390,13 +391,13 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) if (addr < sizeof(struct pt_regs)) ret = put_stack_long(child, addr, data); - else if (addr >= (long) &dummy->fpu && - addr < (long) &dummy->u_fpvalid) { + else if (addr >= (unsigned long) &dummy->fpu && + addr < (unsigned long) &dummy->u_fpvalid) { set_stopped_child_used_math(child); - ((long *)child->thread.xstate) - [(addr - (long)&dummy->fpu) >> 2] = data; + ((unsigned long *)child->thread.xstate) + [(addr - (unsigned long)&dummy->fpu) >> 2] = data; ret = 0; - } else if (addr == (long) &dummy->u_fpvalid) { + } else if (addr == (unsigned long) &dummy->u_fpvalid) { conditional_stopped_child_used_math(data, child); ret = 0; } diff --git a/arch/sh/kernel/ptrace_64.c b/arch/sh/kernel/ptrace_64.c index 5fd644d..1367134 100644 --- a/arch/sh/kernel/ptrace_64.c +++ b/arch/sh/kernel/ptrace_64.c @@ -304,7 +304,8 @@ const struct user_regset_view *task_user_regset_view(struct task_struct *task) return &user_sh64_native_view; } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; @@ -392,7 +393,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) return ret; } -asmlinkage int sh64_ptrace(long request, long pid, long addr, long data) +asmlinkage int sh64_ptrace(long request, long pid, + unsigned long addr, unsigned long data) { #define WPC_DBRMODE 0x0d104008 static int first_call = 1; diff --git a/arch/sparc/kernel/ptrace_32.c b/arch/sparc/kernel/ptrace_32.c index e608f39..e08ba4a 100644 --- a/arch/sparc/kernel/ptrace_32.c +++ b/arch/sparc/kernel/ptrace_32.c @@ -323,7 +323,8 @@ const struct user_regset_view *task_user_regset_view(struct task_struct *task) return &user_sparc32_view; } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { unsigned long addr2 = current->thread.kregs->u_regs[UREG_I4]; const struct user_regset_view *view; diff --git a/arch/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c index aa90da0..d9db5a4 100644 --- a/arch/sparc/kernel/ptrace_64.c +++ b/arch/sparc/kernel/ptrace_64.c @@ -969,7 +969,8 @@ struct fps { unsigned long fsr; }; -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { const struct user_regset_view *view = task_user_regset_view(current); unsigned long addr2 = task_pt_regs(current)->u_regs[UREG_I4]; @@ -977,8 +978,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) struct fps __user *fps; int ret; - pregs = (struct pt_regs __user *) (unsigned long) addr; - fps = (struct fps __user *) (unsigned long) addr; + pregs = (struct pt_regs __user *) addr; + fps = (struct fps __user *) addr; switch (request) { case PTRACE_PEEKUSR: diff --git a/arch/tile/kernel/ptrace.c b/arch/tile/kernel/ptrace.c index 7161bd0..aed9256 100644 --- a/arch/tile/kernel/ptrace.c +++ b/arch/tile/kernel/ptrace.c @@ -64,7 +64,8 @@ void ptrace_disable(struct task_struct *child) clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { unsigned long __user *datap; unsigned long tmp; @@ -102,7 +103,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) case PTRACE_GETREGS: /* Get all registers from the child. */ if (!access_ok(VERIFY_WRITE, datap, PTREGS_SIZE)) break; - for (i = 0; i < PTREGS_SIZE; i += sizeof(long)) { + for (i = 0; i < PTREGS_SIZE; i += sizeof(unsigned long)) { ret = __put_user(getreg(child, i), datap); if (ret != 0) break; @@ -113,7 +114,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) case PTRACE_SETREGS: /* Set all registers in the child. */ if (!access_ok(VERIFY_READ, datap, PTREGS_SIZE)) break; - for (i = 0; i < PTREGS_SIZE; i += sizeof(long)) { + for (i = 0; i < PTREGS_SIZE; i += sizeof(unsigned long)) { ret = __get_user(tmp, datap); if (ret != 0) break; diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c index e051049..963d82b 100644 --- a/arch/um/kernel/ptrace.c +++ b/arch/um/kernel/ptrace.c @@ -42,10 +42,11 @@ void ptrace_disable(struct task_struct *child) extern int peek_user(struct task_struct * child, long addr, long data); extern int poke_user(struct task_struct * child, long addr, long data); -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int i, ret; - unsigned long __user *p = (void __user *)(unsigned long)data; + unsigned long __user *p = (void __user *)data; switch (request) { /* read word at location addr. */ diff --git a/arch/um/sys-i386/ptrace.c b/arch/um/sys-i386/ptrace.c index c9b1765..d23b2d3 100644 --- a/arch/um/sys-i386/ptrace.c +++ b/arch/um/sys-i386/ptrace.c @@ -203,8 +203,8 @@ int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child) (unsigned long *) &fpregs); } -long subarch_ptrace(struct task_struct *child, long request, long addr, - long data) +long subarch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { return -EIO; } diff --git a/arch/um/sys-x86_64/ptrace.c b/arch/um/sys-x86_64/ptrace.c index f3458d7..67e6368 100644 --- a/arch/um/sys-x86_64/ptrace.c +++ b/arch/um/sys-x86_64/ptrace.c @@ -175,8 +175,8 @@ int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) return restore_fp_registers(userspace_pid[cpu], fpregs); } -long subarch_ptrace(struct task_struct *child, long request, long addr, - long data) +long subarch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret = -EIO; diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c index 70c4872..1a7ca04 100644 --- a/arch/x86/kernel/ptrace.c +++ b/arch/x86/kernel/ptrace.c @@ -801,7 +801,8 @@ void ptrace_disable(struct task_struct *child) static const struct user_regset_view user_x86_32_view; /* Initialized below. */ #endif -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; unsigned long __user *datap = (unsigned long __user *)data; @@ -888,14 +889,14 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) #if defined CONFIG_X86_32 || defined CONFIG_IA32_EMULATION case PTRACE_GET_THREAD_AREA: - if (addr < 0) + if ((int) addr < 0) return -EIO; ret = do_get_thread_area(child, addr, (struct user_desc __user *) data); break; case PTRACE_SET_THREAD_AREA: - if (addr < 0) + if ((int) addr < 0) return -EIO; ret = do_set_thread_area(child, addr, (struct user_desc __user *) data, 0); diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c index 9d4e1ce..af9ba80 100644 --- a/arch/xtensa/kernel/ptrace.c +++ b/arch/xtensa/kernel/ptrace.c @@ -256,7 +256,8 @@ int ptrace_pokeusr(struct task_struct *child, long regno, long val) return 0; } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret = -EPERM; diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h index 67a4cd7..092a04f 100644 --- a/include/linux/ptrace.h +++ b/include/linux/ptrace.h @@ -100,7 +100,8 @@ #include <linux/sched.h> /* For struct task_struct. */ -extern long arch_ptrace(struct task_struct *child, long request, long addr, long data); +extern long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data); extern int ptrace_traceme(void); extern int ptrace_readdata(struct task_struct *tsk, unsigned long src, char __user *dst, int len); extern int ptrace_writedata(struct task_struct *tsk, char __user *src, unsigned long dst, int len); -- 1.7.2.2 ^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH v2 03/24] ptrace: change signature of arch_ptrace() 2010-09-02 15:46 ` [PATCH v2 03/24] ptrace: change signature of arch_ptrace() Namhyung Kim 2010-09-02 15:46 ` Namhyung Kim @ 2010-09-03 7:40 ` David Howells 1 sibling, 0 replies; 3+ messages in thread From: David Howells @ 2010-09-03 7:40 UTC (permalink / raw) To: Namhyung Kim Cc: dhowells, Roland McGrath, Oleg Nesterov, Arnd Bergmann, linux-kernel, linux-arch Namhyung Kim <namhyung@gmail.com> wrote: > Fix up the arguments to arch_ptrace() to take account of the fact that > @addr and @data are now unsigned long rather than long as of a preceding > patch in this series. Acked-by: David Howells <dhowells@redhat.com> ^ permalink raw reply [flat|nested] 3+ messages in thread
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2010-09-02 15:46 ` [PATCH v2 03/24] ptrace: change signature of arch_ptrace() Namhyung Kim
2010-09-02 15:46 ` Namhyung Kim
2010-09-03 7:40 ` David Howells
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