Stop raising ERR_R_MALLOC_FAILURE in most places

[openssl.git] / crypto / armv4cpuid.pl

diff --git a/crypto/armv4cpuid.pl b/crypto/armv4cpuid.pl
index 2c02f08c74cc6a77eb6d90ca1664b9988073a4f7..8991fd4afe8e69c067c9ce049f6171fd83189dde 100644 (file)
--- a/crypto/armv4cpuid.pl
+++ b/crypto/armv4cpuid.pl
@@ -1,34 +1,39 @@
 #! /usr/bin/env perl
-# Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
+# Copyright 2015-2020 The OpenSSL Project Authors. All Rights Reserved.
 #
-# Licensed under the OpenSSL license (the "License").  You may not use
+# Licensed under the Apache License 2.0 (the "License").  You may not use
 # this file except in compliance with the License.  You can obtain a copy
 # in the file LICENSE in the source distribution or at
 # https://www.openssl.org/source/license.html
 
 
-$flavour = shift;
-$output  = shift;
+# $output is the last argument if it looks like a file (it has an extension)
+# $flavour is the first argument if it doesn't look like a file
+$output = $#ARGV >= 0 && $ARGV[$#ARGV] =~ m|\.\w+$| ? pop : undef;
+$flavour = $#ARGV >= 0 && $ARGV[0] !~ m|\.| ? shift : undef;
 
 $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
 ( $xlate="${dir}arm-xlate.pl" and -f $xlate ) or
 ( $xlate="${dir}perlasm/arm-xlate.pl" and -f $xlate) or
 die "can't locate arm-xlate.pl";
 
-open OUT,"| \"$^X\" $xlate $flavour $output";
+open OUT,"| \"$^X\" $xlate $flavour \"$output\""
+    or die "can't call $xlate: $!";
 *STDOUT=*OUT;
 
 $code.=<<___;
 #include "arm_arch.h"
 
-.text
 #if defined(__thumb2__) && !defined(__APPLE__)
 .syntax        unified
 .thumb
 #else
 .code  32
+#undef __thumb2__
 #endif
 
+.text
+
 .align 5
 .global        OPENSSL_atomic_add
 .type  OPENSSL_atomic_add,%function
@@ -105,6 +110,36 @@ OPENSSL_cleanse:
 #endif
 .size  OPENSSL_cleanse,.-OPENSSL_cleanse
 
+.global        CRYPTO_memcmp
+.type  CRYPTO_memcmp,%function
+.align 4
+CRYPTO_memcmp:
+       eor     ip,ip,ip
+       cmp     r2,#0
+       beq     .Lno_data
+       stmdb   sp!,{r4,r5}
+
+.Loop_cmp:
+       ldrb    r4,[r0],#1
+       ldrb    r5,[r1],#1
+       eor     r4,r4,r5
+       orr     ip,ip,r4
+       subs    r2,r2,#1
+       bne     .Loop_cmp
+
+       ldmia   sp!,{r4,r5}
+.Lno_data:
+       rsb     r0,ip,#0
+       mov     r0,r0,lsr#31
+#if __ARM_ARCH__>=5
+       bx      lr
+#else
+       tst     lr,#1
+       moveq   pc,lr
+       .word   0xe12fff1e      @ bx    lr
+#endif
+.size  CRYPTO_memcmp,.-CRYPTO_memcmp
+
 #if __ARM_MAX_ARCH__>=7
 .arch  armv7-a
 .fpu   neon
@@ -262,4 +297,4 @@ atomic_add_spinlock:
 ___
 
 print $code;
-close STDOUT;
+close STDOUT or die "error closing STDOUT: $!";