| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Tue, 29 Jan 2008 00:07:57 +0100
From: Paolo Ciarrocchi <paolo.ciarrocchi@...il.com>
To: Ingo Molnar <mingo@...e.hu>,
Linux Kernel <linux-kernel@...r.kernel.org>
Subject: [PATCH 5/7] X86: Fix plenty of "That open brace { should be on the
previous line"
Fix plenty of "That open brace { should be on the previous line"
Signed-off-by: Paolo Ciarrocchi <paolo.ciarrocchi@...il.com>
---
arch/x86/math-emu/errors.c | 137 +++++++++++++++-----------------------------
1 files changed, 47 insertions(+), 90 deletions(-)
diff --git a/arch/x86/math-emu/errors.c b/arch/x86/math-emu/errors.c
index b3c12db..6102fe0 100644
--- a/arch/x86/math-emu/errors.c
+++ b/arch/x86/math-emu/errors.c
@@ -58,14 +58,11 @@ void FPU_printall(void)
RE_ENTRANT_CHECK_OFF;
/* No need to check access_ok(), we have previously fetched these bytes. */
printk("At %p:", (void *) address);
- if (FPU_CS == __USER_CS)
- {
+ if (FPU_CS == __USER_CS) {
#define MAX_PRINTED_BYTES 20
- for (i = 0; i < MAX_PRINTED_BYTES; i++)
- {
+ for (i = 0; i < MAX_PRINTED_BYTES; i++) {
FPU_get_user(byte1, (u_char __user *) address);
- if ((byte1 & 0xf8) == 0xd8)
- {
+ if ((byte1 & 0xf8) == 0xd8) {
printk(" %02x", byte1);
break;
}
@@ -74,8 +71,7 @@ void FPU_printall(void)
}
if (i == MAX_PRINTED_BYTES)
printk(" [more..]\n");
- else
- {
+ else {
FPU_get_user(FPU_modrm, 1 + (u_char __user *) address);
if (FPU_modrm >= 0300)
@@ -86,9 +82,7 @@ void FPU_printall(void)
}
}
else
- {
printk("%04x\n", FPU_CS);
- }
partial_status = status_word();
@@ -141,12 +135,10 @@ printk(" CW: ic=%d rc=%ld%ld pc=%ld%ld iem=%d ef=%d%d%d%d%d%d\n",
control_word & SW_Overflow?1:0, control_word & SW_Zero_Div?1:0,
control_word & SW_Denorm_Op?1:0, control_word & SW_Invalid?1:0);
- for (i = 0; i < 8; i++)
- {
+ for (i = 0; i < 8; i++) {
FPU_REG *r = &st(i);
u_char tagi = FPU_gettagi(i);
- switch (tagi)
- {
+ switch (tagi) {
case TAG_Empty:
continue;
break;
@@ -274,15 +266,13 @@ asmlinkage void FPU_exception(int n)
int i, int_type;
int_type = 0; /* Needed only to stop compiler warnings */
- if (n & EX_INTERNAL)
- {
+ if (n & EX_INTERNAL) {
int_type = n - EX_INTERNAL;
n = EX_INTERNAL;
/* Set lots of exception bits! */
partial_status |= (SW_Exc_Mask | SW_Summary | SW_Backward);
}
- else
- {
+ else {
/* Extract only the bits which we use to set the status word */
n &= (SW_Exc_Mask);
/* Set the corresponding exception bit */
@@ -290,8 +280,7 @@ asmlinkage void FPU_exception(int n)
/* Set summary bits iff exception isn't masked */
if (partial_status & ~control_word & CW_Exceptions)
partial_status |= (SW_Summary | SW_Backward);
- if (n & (SW_Stack_Fault | EX_Precision))
- {
+ if (n & (SW_Stack_Fault | EX_Precision)) {
if (!(n & SW_C1))
/* This bit distinguishes over- from underflow for a stack fault,
and roundup from round-down for precision loss. */
@@ -300,8 +289,7 @@ asmlinkage void FPU_exception(int n)
}
RE_ENTRANT_CHECK_OFF;
- if ((~control_word & n & CW_Exceptions) || (n == EX_INTERNAL))
- {
+ if ((~control_word & n & CW_Exceptions) || (n == EX_INTERNAL)) {
#ifdef PRINT_MESSAGES
/* My message from the sponsor */
printk(FPU_VERSION" "__DATE__" (C) W. Metzenthen.\n");
@@ -312,8 +300,7 @@ asmlinkage void FPU_exception(int n)
if ((exception_names[i].type & n) == exception_names[i].type)
break;
- if (exception_names[i].type)
- {
+ if (exception_names[i].type) {
#ifdef PRINT_MESSAGES
printk("FP Exception: %s!\n", exception_names[i].name);
#endif /* PRINT_MESSAGES */
@@ -321,8 +308,7 @@ asmlinkage void FPU_exception(int n)
else
printk("FPU emulator: Unknown Exception: 0x%04x!\n", n);
- if (n == EX_INTERNAL)
- {
+ if (n == EX_INTERNAL) {
printk("FPU emulator: Internal error type 0x%04x\n", int_type);
FPU_printall();
}
@@ -358,12 +344,10 @@ int real_1op_NaN(FPU_REG *a)
differ) is chosen to reproduce 80486 behaviour */
signalling = isNaN && !(a->sigh & 0x40000000);
- if (!signalling)
- {
- if (!isNaN) /* pseudo-NaN, or other unsupported? */
- {
- if (control_word & CW_Invalid)
- {
+ if (!signalling) {
+ if (!isNaN) {
+ /* pseudo-NaN, or other unsupported? */
+ if (control_word & CW_Invalid) {
/* Masked response */
reg_copy(&CONST_QNaN, a);
}
@@ -373,11 +357,10 @@ int real_1op_NaN(FPU_REG *a)
return TAG_Special;
}
- if (control_word & CW_Invalid)
- {
+ if (control_word & CW_Invalid) {
/* The masked response */
- if (!(a->sigh & 0x80000000)) /* pseudo-NaN ? */
- {
+ if (!(a->sigh & 0x80000000)) {
+ /* pseudo-NaN ? */
reg_copy(&CONST_QNaN, a);
}
/* ensure a Quiet NaN */
@@ -412,10 +395,8 @@ int real_2op_NaN(FPU_REG const *b, u_char tagb,
&& !((exponent(a) == EXP_OVER) && (a->sigh & 0x80000000)))
|| ((tagb == TW_NaN)
&& !((exponent(b) == EXP_OVER) && (b->sigh & 0x80000000)));
- if (unsupported)
- {
- if (control_word & CW_Invalid)
- {
+ if (unsupported) {
+ if (control_word & CW_Invalid) {
/* Masked response */
FPU_copy_to_regi(&CONST_QNaN, TAG_Special, deststnr);
}
@@ -423,23 +404,19 @@ int real_2op_NaN(FPU_REG const *b, u_char tagb,
return (!(control_word & CW_Invalid) ? FPU_Exception : 0) | TAG_Special;
}
- if (taga == TW_NaN)
- {
+ if (taga == TW_NaN) {
x = a;
- if (tagb == TW_NaN)
- {
+ if (tagb == TW_NaN) {
signalling = !(a->sigh & b->sigh & 0x40000000);
if (significand(b) > significand(a))
x = b;
- else if (significand(b) == significand(a))
- {
+ else if (significand(b) == significand(a)) {
/* The default result for the case of two "equal" NaNs (signs may
differ) is chosen to reproduce 80486 behaviour */
x = defaultNaN;
}
}
- else
- {
+ else {
/* return the quiet version of the NaN in a */
signalling = !(a->sigh & 0x40000000);
}
@@ -453,16 +430,14 @@ int real_2op_NaN(FPU_REG const *b, u_char tagb,
x = b;
}
#ifdef PARANOID
- else
- {
+ else {
signalling = 0;
EXCEPTION(EX_INTERNAL|0x113);
x = &CONST_QNaN;
}
#endif /* PARANOID */
- if ((!signalling) || (control_word & CW_Invalid))
- {
+ if ((!signalling) || (control_word & CW_Invalid)) {
if (!x)
x = b;
@@ -491,8 +466,7 @@ asmlinkage int arith_invalid(int deststnr)
EXCEPTION(EX_Invalid);
- if (control_word & CW_Invalid)
- {
+ if (control_word & CW_Invalid) {
/* The masked response */
FPU_copy_to_regi(&CONST_QNaN, TAG_Special, deststnr);
}
@@ -508,8 +482,7 @@ asmlinkage int FPU_divide_by_zero(int deststnr, u_char sign)
FPU_REG *dest = &st(deststnr);
int tag = TAG_Valid;
- if (control_word & CW_ZeroDiv)
- {
+ if (control_word & CW_ZeroDiv) {
/* The masked response */
FPU_copy_to_regi(&CONST_INF, TAG_Special, deststnr);
setsign(dest, sign);
@@ -526,14 +499,12 @@ asmlinkage int FPU_divide_by_zero(int deststnr, u_char sign)
/* This may be called often, so keep it lean */
int set_precision_flag(int flags)
{
- if (control_word & CW_Precision)
- {
+ if (control_word & CW_Precision) {
partial_status &= ~(SW_C1 & flags);
partial_status |= flags; /* The masked response */
return 0;
}
- else
- {
+ else {
EXCEPTION(flags);
return 1;
}
@@ -553,8 +524,8 @@ asmlinkage void set_precision_flag_up(void)
/* This may be called often, so keep it lean */
asmlinkage void set_precision_flag_down(void)
{
- if (control_word & CW_Precision)
- { /* The masked response */
+ if (control_word & CW_Precision) {
+ /* The masked response */
partial_status &= ~SW_C1;
partial_status |= SW_Precision;
}
@@ -565,13 +536,12 @@ asmlinkage void set_precision_flag_down(void)
asmlinkage int denormal_operand(void)
{
- if (control_word & CW_Denormal)
- { /* The masked response */
+ if (control_word & CW_Denormal) {
+ /* The masked response */
partial_status |= SW_Denorm_Op;
return TAG_Special;
}
- else
- {
+ else {
EXCEPTION(EX_Denormal);
return TAG_Special | FPU_Exception;
}
@@ -582,22 +552,19 @@ asmlinkage int arith_overflow(FPU_REG *dest)
{
int tag = TAG_Valid;
- if (control_word & CW_Overflow)
- {
+ if (control_word & CW_Overflow) {
/* The masked response */
/* ###### The response here depends upon the rounding mode */
reg_copy(&CONST_INF, dest);
tag = TAG_Special;
}
- else
- {
+ else {
/* Subtract the magic number from the exponent */
addexponent(dest, (-3 * (1 << 13)));
}
EXCEPTION(EX_Overflow);
- if (control_word & CW_Overflow)
- {
+ if (control_word & CW_Overflow) {
/* The overflow exception is masked. */
/* By definition, precision is lost.
The roundup bit (C1) is also set because we have
@@ -615,29 +582,23 @@ asmlinkage int arith_underflow(FPU_REG *dest)
{
int tag = TAG_Valid;
- if (control_word & CW_Underflow)
- {
+ if (control_word & CW_Underflow) {
/* The masked response */
- if (exponent16(dest) <= EXP_UNDER - 63)
- {
+ if (exponent16(dest) <= EXP_UNDER - 63) {
reg_copy(&CONST_Z, dest);
partial_status &= ~SW_C1; /* Round down. */
tag = TAG_Zero;
}
else
- {
stdexp(dest);
- }
}
- else
- {
+ else {
/* Add the magic number to the exponent. */
addexponent(dest, (3 * (1 << 13)) + EXTENDED_Ebias);
}
EXCEPTION(EX_Underflow);
- if (control_word & CW_Underflow)
- {
+ if (control_word & CW_Underflow) {
/* The underflow exception is masked. */
EXCEPTION(EX_Precision);
return tag;
@@ -651,8 +612,7 @@ asmlinkage int arith_underflow(FPU_REG *dest)
void FPU_stack_overflow(void)
{
- if (control_word & CW_Invalid)
- {
+ if (control_word & CW_Invalid) {
/* The masked response */
top--;
FPU_copy_to_reg0(&CONST_QNaN, TAG_Special);
@@ -668,8 +628,7 @@ void FPU_stack_overflow(void)
void FPU_stack_underflow(void)
{
- if (control_word & CW_Invalid)
- {
+ if (control_word & CW_Invalid) {
/* The masked response */
FPU_copy_to_reg0(&CONST_QNaN, TAG_Special);
}
@@ -684,8 +643,7 @@ void FPU_stack_underflow(void)
void FPU_stack_underflow_i(int i)
{
- if (control_word & CW_Invalid)
- {
+ if (control_word & CW_Invalid) {
/* The masked response */
FPU_copy_to_regi(&CONST_QNaN, TAG_Special, i);
}
@@ -700,8 +658,7 @@ void FPU_stack_underflow_i(int i)
void FPU_stack_underflow_pop(int i)
{
- if (control_word & CW_Invalid)
- {
+ if (control_word & CW_Invalid) {
/* The masked response */
FPU_copy_to_regi(&CONST_QNaN, TAG_Special, i);
FPU_pop();
--
1.5.4.rc3
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists