97 lines
3.2 KiB
Diff
97 lines
3.2 KiB
Diff
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From 34ab13b7d8e3e723adb60be8142e38b7c9cd382a Mon Sep 17 00:00:00 2001
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From: Andy Polyakov <appro@openssl.org>
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Date: Sun, 5 May 2019 18:25:50 +0200
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Subject: [PATCH] crypto/perlasm/ppc-xlate.pl: add linux64v2 flavour
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This is a big endian ELFv2 configuration. ELFv2 was already being
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used for little endian, and big endian was traditionally ELFv1
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but there are practical configurations that use ELFv2 with big
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endian nowadays (Adélie Linux, Void Linux, possibly Gentoo, etc.)
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Reviewed-by: Paul Dale <paul.dale@oracle.com>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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(Merged from https://github.com/openssl/openssl/pull/8883)
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---
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crypto/perlasm/ppc-xlate.pl | 8 ++++----
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1 file changed, 4 insertions(+), 4 deletions(-)
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diff --git a/crypto/perlasm/ppc-xlate.pl b/crypto/perlasm/ppc-xlate.pl
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index e52f2f6ea62..5fcd0526dff 100755
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--- crypto/perlasm/ppc-xlate.pl
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+++ crypto/perlasm/ppc-xlate.pl
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@@ -49,7 +49,7 @@
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/osx/ && do { $name = "_$name";
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last;
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};
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- /linux.*(32|64le)/
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+ /linux.*(32|64(le|v2))/
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&& do { $ret .= ".globl $name";
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if (!$$type) {
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$ret .= "\n.type $name,\@function";
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@@ -80,7 +80,7 @@
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};
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my $text = sub {
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my $ret = ($flavour =~ /aix/) ? ".csect\t.text[PR],7" : ".text";
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- $ret = ".abiversion 2\n".$ret if ($flavour =~ /linux.*64le/);
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+ $ret = ".abiversion 2\n".$ret if ($flavour =~ /linux.*64(le|v2)/);
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$ret;
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};
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my $machine = sub {
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@@ -186,7 +186,7 @@
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# Some ABIs specify vrsave, special-purpose register #256, as reserved
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# for system use.
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-my $no_vrsave = ($flavour =~ /aix|linux64le/);
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+my $no_vrsave = ($flavour =~ /aix|linux64(le|v2)/);
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my $mtspr = sub {
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my ($f,$idx,$ra) = @_;
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if ($idx == 256 && $no_vrsave) {
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@@ -318,7 +318,7 @@ sub vfour {
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if ($label) {
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my $xlated = ($GLOBALS{$label} or $label);
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print "$xlated:";
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- if ($flavour =~ /linux.*64le/) {
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+ if ($flavour =~ /linux.*64(le|v2)/) {
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if ($TYPES{$label} =~ /function/) {
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printf "\n.localentry %s,0\n",$xlated;
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}
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From 098404128383ded87ba390dd74ecd9e2ffa6f530 Mon Sep 17 00:00:00 2001
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From: Andy Polyakov <appro@openssl.org>
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Date: Sun, 5 May 2019 18:30:55 +0200
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Subject: [PATCH] Configure: use ELFv2 ABI on some ppc64 big endian systems
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If _CALL_ELF is defined to be 2, it's an ELFv2 system.
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Conditionally switch to the v2 perlasm scheme.
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Reviewed-by: Paul Dale <paul.dale@oracle.com>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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(Merged from https://github.com/openssl/openssl/pull/8883)
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---
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Configure | 10 +++++++---
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1 file changed, 7 insertions(+), 3 deletions(-)
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diff --git a/Configure b/Configure
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index 22082deb4c7..e303d98deb3 100755
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--- Configure
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+++ Configure
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@@ -1402,8 +1402,15 @@
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my %predefined_C = compiler_predefined($config{CROSS_COMPILE}.$config{CC});
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my %predefined_CXX = $config{CXX}
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? compiler_predefined($config{CROSS_COMPILE}.$config{CXX})
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: ();
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+unless ($disabled{asm}) {
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+ # big endian systems can use ELFv2 ABI
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+ if ($target eq "linux-ppc64") {
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+ $target{perlasm_scheme} = "linux64v2" if ($predefined_C{_CALL_ELF} == 2);
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+ }
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+}
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+
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# Check for makedepend capabilities.
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if (!$disabled{makedepend}) {
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if ($config{target} =~ /^(VC|vms)-/) {
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