提交 1475ee7f 编写于 作者: O Oleg Nesterov

uprobes/x86: Rename *riprel* helpers to make the naming consistent

handle_riprel_insn(), pre_xol_rip_insn() and handle_riprel_post_xol()
look confusing and inconsistent. Rename them into riprel_analyze(),
riprel_pre_xol(), and riprel_post_xol() respectively.

No changes in compiled code.
Signed-off-by: NOleg Nesterov <oleg@redhat.com>
Acked-by: NSrikar Dronamraju <srikar@linux.vnet.ibm.com>
上级 83cd5914
...@@ -268,8 +268,7 @@ static inline bool is_64bit_mm(struct mm_struct *mm) ...@@ -268,8 +268,7 @@ static inline bool is_64bit_mm(struct mm_struct *mm)
* - There's never a SIB byte. * - There's never a SIB byte.
* - The displacement is always 4 bytes. * - The displacement is always 4 bytes.
*/ */
static void static void riprel_analyze(struct arch_uprobe *auprobe, struct insn *insn)
handle_riprel_insn(struct arch_uprobe *auprobe, struct insn *insn)
{ {
u8 *cursor; u8 *cursor;
u8 reg; u8 reg;
...@@ -331,8 +330,7 @@ handle_riprel_insn(struct arch_uprobe *auprobe, struct insn *insn) ...@@ -331,8 +330,7 @@ handle_riprel_insn(struct arch_uprobe *auprobe, struct insn *insn)
* If we're emulating a rip-relative instruction, save the contents * If we're emulating a rip-relative instruction, save the contents
* of the scratch register and store the target address in that register. * of the scratch register and store the target address in that register.
*/ */
static void static void riprel_pre_xol(struct arch_uprobe *auprobe, struct pt_regs *regs,
pre_xol_rip_insn(struct arch_uprobe *auprobe, struct pt_regs *regs,
struct arch_uprobe_task *autask) struct arch_uprobe_task *autask)
{ {
if (auprobe->def.fixups & UPROBE_FIX_RIP_AX) { if (auprobe->def.fixups & UPROBE_FIX_RIP_AX) {
...@@ -346,8 +344,8 @@ pre_xol_rip_insn(struct arch_uprobe *auprobe, struct pt_regs *regs, ...@@ -346,8 +344,8 @@ pre_xol_rip_insn(struct arch_uprobe *auprobe, struct pt_regs *regs,
} }
} }
static void static void riprel_post_xol(struct arch_uprobe *auprobe, struct pt_regs *regs,
handle_riprel_post_xol(struct arch_uprobe *auprobe, struct pt_regs *regs, long *correction) long *correction)
{ {
if (auprobe->def.fixups & (UPROBE_FIX_RIP_AX | UPROBE_FIX_RIP_CX)) { if (auprobe->def.fixups & (UPROBE_FIX_RIP_AX | UPROBE_FIX_RIP_CX)) {
struct arch_uprobe_task *autask; struct arch_uprobe_task *autask;
...@@ -376,14 +374,14 @@ static inline bool is_64bit_mm(struct mm_struct *mm) ...@@ -376,14 +374,14 @@ static inline bool is_64bit_mm(struct mm_struct *mm)
/* /*
* No RIP-relative addressing on 32-bit * No RIP-relative addressing on 32-bit
*/ */
static void handle_riprel_insn(struct arch_uprobe *auprobe, struct insn *insn) static void riprel_analyze(struct arch_uprobe *auprobe, struct insn *insn)
{ {
} }
static void pre_xol_rip_insn(struct arch_uprobe *auprobe, struct pt_regs *regs, static void riprel_pre_xol(struct arch_uprobe *auprobe, struct pt_regs *regs,
struct arch_uprobe_task *autask) struct arch_uprobe_task *autask)
{ {
} }
static void handle_riprel_post_xol(struct arch_uprobe *auprobe, struct pt_regs *regs, static void riprel_post_xol(struct arch_uprobe *auprobe, struct pt_regs *regs,
long *correction) long *correction)
{ {
} }
...@@ -403,7 +401,7 @@ static inline int sizeof_long(void) ...@@ -403,7 +401,7 @@ static inline int sizeof_long(void)
static int default_pre_xol_op(struct arch_uprobe *auprobe, struct pt_regs *regs) static int default_pre_xol_op(struct arch_uprobe *auprobe, struct pt_regs *regs)
{ {
pre_xol_rip_insn(auprobe, regs, &current->utask->autask); riprel_pre_xol(auprobe, regs, &current->utask->autask);
return 0; return 0;
} }
...@@ -423,7 +421,7 @@ static int default_post_xol_op(struct arch_uprobe *auprobe, struct pt_regs *regs ...@@ -423,7 +421,7 @@ static int default_post_xol_op(struct arch_uprobe *auprobe, struct pt_regs *regs
struct uprobe_task *utask = current->utask; struct uprobe_task *utask = current->utask;
long correction = (long)(utask->vaddr - utask->xol_vaddr); long correction = (long)(utask->vaddr - utask->xol_vaddr);
handle_riprel_post_xol(auprobe, regs, &correction); riprel_post_xol(auprobe, regs, &correction);
if (auprobe->def.fixups & UPROBE_FIX_IP) { if (auprobe->def.fixups & UPROBE_FIX_IP) {
regs->ip += correction; regs->ip += correction;
} else if (auprobe->def.fixups & UPROBE_FIX_CALL) { } else if (auprobe->def.fixups & UPROBE_FIX_CALL) {
...@@ -440,7 +438,7 @@ static int default_post_xol_op(struct arch_uprobe *auprobe, struct pt_regs *regs ...@@ -440,7 +438,7 @@ static int default_post_xol_op(struct arch_uprobe *auprobe, struct pt_regs *regs
static void default_abort_op(struct arch_uprobe *auprobe, struct pt_regs *regs) static void default_abort_op(struct arch_uprobe *auprobe, struct pt_regs *regs)
{ {
handle_riprel_post_xol(auprobe, regs, NULL); riprel_post_xol(auprobe, regs, NULL);
} }
static struct uprobe_xol_ops default_xol_ops = { static struct uprobe_xol_ops default_xol_ops = {
...@@ -663,7 +661,7 @@ int arch_uprobe_analyze_insn(struct arch_uprobe *auprobe, struct mm_struct *mm, ...@@ -663,7 +661,7 @@ int arch_uprobe_analyze_insn(struct arch_uprobe *auprobe, struct mm_struct *mm,
} }
/* fall through */ /* fall through */
default: default:
handle_riprel_insn(auprobe, &insn); riprel_analyze(auprobe, &insn);
} }
auprobe->def.ilen = insn.length; auprobe->def.ilen = insn.length;
......
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