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authorSrikar Dronamraju <srikar@linux.vnet.ibm.com>2012-03-12 10:25:14 +0100
committerIngo Molnar <mingo@elte.hu>2012-03-13 06:22:20 +0100
commit900771a483ef28915a48066d7895d8252315607a (patch)
tree08941df642cc6bb61ef764b3344c87790c831145
parentuprobes: Update copyright notices (diff)
downloadlinux-900771a483ef28915a48066d7895d8252315607a.tar.xz
linux-900771a483ef28915a48066d7895d8252315607a.zip
uprobes/core: Make macro names consistent
Rename macros that refer to individual uprobe to start with UPROBE_ instead of UPROBES_. This is pure cleanup, no functional change intended. Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: Jim Keniston <jkenisto@linux.vnet.ibm.com> Cc: Linux-mm <linux-mm@kvack.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Christoph Hellwig <hch@infradead.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Arnaldo Carvalho de Melo <acme@infradead.org> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20120312092514.5379.36595.sendpatchset@srdronam.in.ibm.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r--arch/x86/include/asm/uprobes.h6
-rw-r--r--arch/x86/kernel/uprobes.c18
-rw-r--r--include/linux/uprobes.h4
-rw-r--r--kernel/events/uprobes.c18
4 files changed, 23 insertions, 23 deletions
diff --git a/arch/x86/include/asm/uprobes.h b/arch/x86/include/asm/uprobes.h
index f7ce310a429d..5c399e446512 100644
--- a/arch/x86/include/asm/uprobes.h
+++ b/arch/x86/include/asm/uprobes.h
@@ -26,10 +26,10 @@
typedef u8 uprobe_opcode_t;
#define MAX_UINSN_BYTES 16
-#define UPROBES_XOL_SLOT_BYTES 128 /* to keep it cache aligned */
+#define UPROBE_XOL_SLOT_BYTES 128 /* to keep it cache aligned */
-#define UPROBES_BKPT_INSN 0xcc
-#define UPROBES_BKPT_INSN_SIZE 1
+#define UPROBE_BKPT_INSN 0xcc
+#define UPROBE_BKPT_INSN_SIZE 1
struct arch_uprobe {
u16 fixups;
diff --git a/arch/x86/kernel/uprobes.c b/arch/x86/kernel/uprobes.c
index 04dfcef2d028..6dfa89e6f24a 100644
--- a/arch/x86/kernel/uprobes.c
+++ b/arch/x86/kernel/uprobes.c
@@ -31,14 +31,14 @@
/* Post-execution fixups. */
/* No fixup needed */
-#define UPROBES_FIX_NONE 0x0
+#define UPROBE_FIX_NONE 0x0
/* Adjust IP back to vicinity of actual insn */
-#define UPROBES_FIX_IP 0x1
+#define UPROBE_FIX_IP 0x1
/* Adjust the return address of a call insn */
-#define UPROBES_FIX_CALL 0x2
+#define UPROBE_FIX_CALL 0x2
-#define UPROBES_FIX_RIP_AX 0x8000
-#define UPROBES_FIX_RIP_CX 0x4000
+#define UPROBE_FIX_RIP_AX 0x8000
+#define UPROBE_FIX_RIP_CX 0x4000
/* Adaptations for mhiramat x86 decoder v14. */
#define OPCODE1(insn) ((insn)->opcode.bytes[0])
@@ -269,9 +269,9 @@ static void prepare_fixups(struct arch_uprobe *auprobe, struct insn *insn)
break;
}
if (fix_ip)
- auprobe->fixups |= UPROBES_FIX_IP;
+ auprobe->fixups |= UPROBE_FIX_IP;
if (fix_call)
- auprobe->fixups |= UPROBES_FIX_CALL;
+ auprobe->fixups |= UPROBE_FIX_CALL;
}
#ifdef CONFIG_X86_64
@@ -341,12 +341,12 @@ static void handle_riprel_insn(struct mm_struct *mm, struct arch_uprobe *auprobe
* is NOT the register operand, so we use %rcx (register
* #1) for the scratch register.
*/
- auprobe->fixups = UPROBES_FIX_RIP_CX;
+ auprobe->fixups = UPROBE_FIX_RIP_CX;
/* Change modrm from 00 000 101 to 00 000 001. */
*cursor = 0x1;
} else {
/* Use %rax (register #0) for the scratch register. */
- auprobe->fixups = UPROBES_FIX_RIP_AX;
+ auprobe->fixups = UPROBE_FIX_RIP_AX;
/* Change modrm from 00 xxx 101 to 00 xxx 000 */
*cursor = (reg << 3);
}
diff --git a/include/linux/uprobes.h b/include/linux/uprobes.h
index f85797e1ccd4..838fb312926a 100644
--- a/include/linux/uprobes.h
+++ b/include/linux/uprobes.h
@@ -35,10 +35,10 @@ struct vm_area_struct;
/* flags that denote/change uprobes behaviour */
/* Have a copy of original instruction */
-#define UPROBES_COPY_INSN 0x1
+#define UPROBE_COPY_INSN 0x1
/* Dont run handlers when first register/ last unregister in progress*/
-#define UPROBES_RUN_HANDLER 0x2
+#define UPROBE_RUN_HANDLER 0x2
struct uprobe_consumer {
int (*handler)(struct uprobe_consumer *self, struct pt_regs *regs);
diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index 5ce32e3ae9e9..0d36bf3920ba 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -177,7 +177,7 @@ out:
*/
bool __weak is_bkpt_insn(uprobe_opcode_t *insn)
{
- return *insn == UPROBES_BKPT_INSN;
+ return *insn == UPROBE_BKPT_INSN;
}
/*
@@ -259,8 +259,8 @@ static int write_opcode(struct mm_struct *mm, struct arch_uprobe *auprobe,
/* poke the new insn in, ASSUMES we don't cross page boundary */
vaddr &= ~PAGE_MASK;
- BUG_ON(vaddr + UPROBES_BKPT_INSN_SIZE > PAGE_SIZE);
- memcpy(vaddr_new + vaddr, &opcode, UPROBES_BKPT_INSN_SIZE);
+ BUG_ON(vaddr + UPROBE_BKPT_INSN_SIZE > PAGE_SIZE);
+ memcpy(vaddr_new + vaddr, &opcode, UPROBE_BKPT_INSN_SIZE);
kunmap_atomic(vaddr_new);
kunmap_atomic(vaddr_old);
@@ -308,7 +308,7 @@ static int read_opcode(struct mm_struct *mm, unsigned long vaddr, uprobe_opcode_
lock_page(page);
vaddr_new = kmap_atomic(page);
vaddr &= ~PAGE_MASK;
- memcpy(opcode, vaddr_new + vaddr, UPROBES_BKPT_INSN_SIZE);
+ memcpy(opcode, vaddr_new + vaddr, UPROBE_BKPT_INSN_SIZE);
kunmap_atomic(vaddr_new);
unlock_page(page);
@@ -352,7 +352,7 @@ int __weak set_bkpt(struct mm_struct *mm, struct arch_uprobe *auprobe, unsigned
if (result)
return result;
- return write_opcode(mm, auprobe, vaddr, UPROBES_BKPT_INSN);
+ return write_opcode(mm, auprobe, vaddr, UPROBE_BKPT_INSN);
}
/**
@@ -635,7 +635,7 @@ static int install_breakpoint(struct mm_struct *mm, struct uprobe *uprobe,
addr = (unsigned long)vaddr;
- if (!(uprobe->flags & UPROBES_COPY_INSN)) {
+ if (!(uprobe->flags & UPROBE_COPY_INSN)) {
ret = copy_insn(uprobe, vma, addr);
if (ret)
return ret;
@@ -647,7 +647,7 @@ static int install_breakpoint(struct mm_struct *mm, struct uprobe *uprobe,
if (ret)
return ret;
- uprobe->flags |= UPROBES_COPY_INSN;
+ uprobe->flags |= UPROBE_COPY_INSN;
}
ret = set_bkpt(mm, &uprobe->arch, addr);
@@ -857,7 +857,7 @@ int uprobe_register(struct inode *inode, loff_t offset, struct uprobe_consumer *
uprobe->consumers = NULL;
__uprobe_unregister(uprobe);
} else {
- uprobe->flags |= UPROBES_RUN_HANDLER;
+ uprobe->flags |= UPROBE_RUN_HANDLER;
}
}
@@ -889,7 +889,7 @@ void uprobe_unregister(struct inode *inode, loff_t offset, struct uprobe_consume
if (consumer_del(uprobe, consumer)) {
if (!uprobe->consumers) {
__uprobe_unregister(uprobe);
- uprobe->flags &= ~UPROBES_RUN_HANDLER;
+ uprobe->flags &= ~UPROBE_RUN_HANDLER;
}
}