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Remove EXPORT_VAR_AS_FUNC

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We only export functions, not global, so remove the config option
and some of the #ifdef stuff.

Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/9285)
This commit is contained in:
Rich Salz 2019-07-01 16:24:08 -04:00
parent 66e2dbc01c
commit 211da00b79
13 changed files with 179 additions and 417 deletions
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2
CHANGES
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@ -14,6 +14,8 @@
*) Removed DES_check_key. Also removed OPENSSL_IMPLEMENT_GLOBAL,
OPENSSL_GLOBAL_REF, OPENSSL_DECLARE_GLOBAL.
Also removed "export var as function" capability; we do not export
variables, only functions.
[Rich Salz]
*) RC5_32_set_key has been changed to return an int type, with 0 indicating

2
Configurations/10-main.conf
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@ -1274,7 +1274,6 @@ my %targets = (
shared_target => "win-shared", # meaningless except it gives Configure a hint
thread_scheme => "winthreads",
dso_scheme => "win32",
bn_ops => "EXPORT_VAR_AS_FN",
perl_platform => 'Windows::MSVC',
# additional parameter to build_scheme denotes install-path "flavour"
build_scheme => add("VC-common", { separator => undef }),
@ -1426,7 +1425,6 @@ my %targets = (
threads("-D_MT")),
lib_cppflags => "-DL_ENDIAN",
ex_libs => add("-lws2_32 -lgdi32 -lcrypt32"),
bn_ops => "EXPORT_VAR_AS_FN",
thread_scheme => "winthreads",
dso_scheme => "win32",
shared_target => "mingw-shared",

4
Configurations/50-win-onecore.conf
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@ -47,7 +47,7 @@ my %targets = (
inherit_from => [ "VC-noCE-common" ],
defines => add("_ARM_WINAPI_PARTITION_DESKTOP_SDK_AVAILABLE",
"OPENSSL_SYS_WIN_CORE"),
bn_ops => "BN_LLONG RC4_CHAR EXPORT_VAR_AS_FN",
bn_ops => "BN_LLONG RC4_CHAR",
lflags => add("/NODEFAULTLIB:kernel32.lib"),
ex_libs => "onecore.lib",
multilib => "-arm",
@ -56,7 +56,7 @@ my %targets = (
inherit_from => [ "VC-noCE-common" ],
defines => add("_ARM_WINAPI_PARTITION_DESKTOP_SDK_AVAILABLE",
"OPENSSL_SYS_WIN_CORE"),
bn_ops => "SIXTY_FOUR_BIT RC4_CHAR EXPORT_VAR_AS_FN",
bn_ops => "SIXTY_FOUR_BIT RC4_CHAR",
lflags => add("/NODEFAULTLIB:kernel32.lib"),
ex_libs => "onecore.lib",
multilib => "-arm64",

3
Configurations/README
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@ -236,9 +236,6 @@ In each table entry, the following keys are significant:
up of 'unsigned char's;
RC4_INT RC4 key schedule is made
up of 'unsigned int's;
EXPORT_VAR_AS_FN for shared libraries,
export vars as
accessor functions.
[1] as part of the target configuration, one can have a key called

2
Configure
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@ -1456,7 +1456,6 @@ if (!$disabled{asm} && !$predefined_C{__MACH__} && $^O ne 'VMS') {
# Deal with bn_ops ###################################################
$config{bn_ll} =0;
$config{export_var_as_fn} =0;
my $def_int="unsigned int";
$config{rc4_int} =$def_int;
($config{b64l},$config{b64},$config{b32})=(0,0,1);
@ -1464,7 +1463,6 @@ $config{rc4_int} =$def_int;
my $count = 0;
foreach (sort split(/\s+/,$target{bn_ops})) {
$count++ if /SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT/;
$config{export_var_as_fn}=1 if $_ eq 'EXPORT_VAR_AS_FN';
$config{bn_ll}=1 if $_ eq 'BN_LLONG';
$config{rc4_int}="unsigned char" if $_ eq 'RC4_CHAR';
($config{b64l},$config{b64},$config{b32})

27
include/openssl/asn1.h
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@ -310,23 +310,6 @@ TYPEDEF_D2I2D_OF(void);
*
*/
# ifndef OPENSSL_EXPORT_VAR_AS_FUNCTION
/* ASN1_ITEM pointer exported type */
typedef const ASN1_ITEM ASN1_ITEM_EXP;
/* Macro to obtain ASN1_ITEM pointer from exported type */
# define ASN1_ITEM_ptr(iptr) (iptr)
/* Macro to include ASN1_ITEM pointer from base type */
# define ASN1_ITEM_ref(iptr) (&(iptr##_it))
# define ASN1_ITEM_rptr(ref) (&(ref##_it))
# define DECLARE_ASN1_ITEM(name) \
OPENSSL_EXTERN const ASN1_ITEM name##_it;
# else
/*
* Platforms that can't easily handle shared global variables are declared as
@ -337,18 +320,16 @@ typedef const ASN1_ITEM ASN1_ITEM_EXP;
typedef const ASN1_ITEM *ASN1_ITEM_EXP (void);
/* Macro to obtain ASN1_ITEM pointer from exported type */
# define ASN1_ITEM_ptr(iptr) (iptr())
# define ASN1_ITEM_ptr(iptr) (iptr())
/* Macro to include ASN1_ITEM pointer from base type */
# define ASN1_ITEM_ref(iptr) (iptr##_it)
# define ASN1_ITEM_ref(iptr) (iptr##_it)
# define ASN1_ITEM_rptr(ref) (ref##_it())
# define ASN1_ITEM_rptr(ref) (ref##_it())
# define DECLARE_ASN1_ITEM(name) \
# define DECLARE_ASN1_ITEM(name) \
const ASN1_ITEM * name##_it(void);
# endif
/* Parameters used by ASN1_STRING_print_ex() */
/*

58
include/openssl/asn1t.h
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@ -25,44 +25,24 @@
extern "C" {
#endif
# ifndef OPENSSL_EXPORT_VAR_AS_FUNCTION
/* Macro to obtain ASN1_ADB pointer from a type (only used internally) */
# define ASN1_ADB_ptr(iptr) ((const ASN1_ADB *)(iptr))
# define ASN1_ADB_ptr(iptr) ((const ASN1_ADB *)((iptr)()))
/* Macros for start and end of ASN1_ITEM definition */
# define ASN1_ITEM_start(itname) \
const ASN1_ITEM itname##_it = {
# define static_ASN1_ITEM_start(itname) \
static const ASN1_ITEM itname##_it = {
# define ASN1_ITEM_end(itname) \
};
# else
/* Macro to obtain ASN1_ADB pointer from a type (only used internally) */
# define ASN1_ADB_ptr(iptr) ((const ASN1_ADB *)((iptr)()))
/* Macros for start and end of ASN1_ITEM definition */
# define ASN1_ITEM_start(itname) \
# define ASN1_ITEM_start(itname) \
const ASN1_ITEM * itname##_it(void) \
{ \
static const ASN1_ITEM local_it = {
# define static_ASN1_ITEM_start(itname) \
# define static_ASN1_ITEM_start(itname) \
static ASN1_ITEM_start(itname)
# define ASN1_ITEM_end(itname) \
# define ASN1_ITEM_end(itname) \
}; \
return &local_it; \
}
# endif
/* Macros to aid ASN1 template writing */
# define ASN1_ITEM_TEMPLATE(tname) \
@ -335,13 +315,9 @@ extern "C" {
/* Any defined by macros: the field used is in the table itself */
# ifndef OPENSSL_EXPORT_VAR_AS_FUNCTION
# define ASN1_ADB_OBJECT(tblname) { ASN1_TFLG_ADB_OID, -1, 0, #tblname, (const ASN1_ITEM *)&(tblname##_adb) }
# define ASN1_ADB_INTEGER(tblname) { ASN1_TFLG_ADB_INT, -1, 0, #tblname, (const ASN1_ITEM *)&(tblname##_adb) }
# else
# define ASN1_ADB_OBJECT(tblname) { ASN1_TFLG_ADB_OID, -1, 0, #tblname, tblname##_adb }
# define ASN1_ADB_INTEGER(tblname) { ASN1_TFLG_ADB_INT, -1, 0, #tblname, tblname##_adb }
# endif
# define ASN1_ADB_OBJECT(tblname) { ASN1_TFLG_ADB_OID, -1, 0, #tblname, tblname##_adb }
# define ASN1_ADB_INTEGER(tblname) { ASN1_TFLG_ADB_INT, -1, 0, #tblname, tblname##_adb }
/* Plain simple type */
# define ASN1_SIMPLE(stname, field, type) ASN1_EX_TYPE(0,0, stname, field, type)
/* Embedded simple type */
@ -421,23 +397,7 @@ extern "C" {
# define ASN1_ADB(name) \
static const ASN1_ADB_TABLE name##_adbtbl[]
# ifndef OPENSSL_EXPORT_VAR_AS_FUNCTION
# define ASN1_ADB_END(name, flags, field, adb_cb, def, none) \
;\
static const ASN1_ADB name##_adb = {\
flags,\
offsetof(name, field),\
adb_cb,\
name##_adbtbl,\
sizeof(name##_adbtbl) / sizeof(ASN1_ADB_TABLE),\
def,\
none\
}
# else
# define ASN1_ADB_END(name, flags, field, adb_cb, def, none) \
# define ASN1_ADB_END(name, flags, field, adb_cb, def, none) \
;\
static const ASN1_ITEM *name##_adb(void) \
{ \
@ -455,8 +415,6 @@ extern "C" {
} \
void dummy_function(void)
# endif
# define ADB_ENTRY(val, template) {val, template}
# define ASN1_ADB_TEMPLATE(name) \

2
include/openssl/opensslconf.h.in
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@ -165,8 +165,6 @@ extern "C" {
/* Generate 80386 code? */
{- $config{processor} eq "386" ? "# define" : "# undef" -} I386_ONLY
{- $config{export_var_as_fn} ? "# define" : "# undef" -} OPENSSL_EXPORT_VAR_AS_FUNCTION
/*
* The following are cipher-specific, but are part of the public API.
*/

1
util/find-doc-nits
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@ -266,7 +266,6 @@ sub parsenum()
while ( <$IN> ) {
next if /^#/;
next if /\bNOEXIST\b/;
next if /\bEXPORT_VAR_AS_FUNC\b/;
my @fields = split();
die "Malformed line $_"
if scalar @fields != 2 && scalar @fields != 4;

477
util/libcrypto.num
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File diff suppressed because it is too large Load Diff

12
util/mkdef.pl
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@ -109,24 +109,20 @@ my $libname = platform->sharedname($name);
my %OS_data = (
solaris => { writer => \&writer_linux,
sort => sorter_linux(),
platforms => { UNIX => 1,
EXPORT_VAR_AS_FUNCTION => 0 } },
platforms => { UNIX => 1 } },
linux => 'solaris', # alias
"bsd-gcc" => 'solaris', # alias
aix => { writer => \&writer_aix,
sort => sorter_unix(),
platforms => { UNIX => 1,
EXPORT_VAR_AS_FUNCTION => 0 } },
platforms => { UNIX => 1 } },
VMS => { writer => \&writer_VMS,
sort => OpenSSL::Ordinals::by_number(),
platforms => { VMS => 1,
EXPORT_VAR_AS_FUNCTION => 0 } },
platforms => { VMS => 1 } },
vms => 'VMS', # alias
WINDOWS => { writer => \&writer_windows,
sort => OpenSSL::Ordinals::by_name(),
platforms => { WIN32 => 1,
_WIN32 => 1,
EXPORT_VAR_AS_FUNCTION => 1 } },
_WIN32 => 1 } },
windows => 'WINDOWS', # alias
WIN32 => 'WINDOWS', # alias
win32 => 'WIN32', # alias

2
util/perl/OpenSSL/Ordinals.pm
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@ -342,8 +342,6 @@ sub _parse_platforms {
# if ($def =~ m{^__DragonFly__$}) { $platforms{$&} = $op; }
# if ($def =~ m{^__OpenBSD__$}) { $platforms{$&} = $op; }
# if ($def =~ m{^__NetBSD__$}) { $platforms{$&} = $op; }
if ($def =~
m{^OPENSSL_(EXPORT_VAR_AS_FUNCTION)$}) { $platforms{$1} = $op; }
if ($def =~ m{^OPENSSL_SYS_}) { $platforms{$'} = $op; }
}

4
util/perl/OpenSSL/ParseC.pm
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@ -400,11 +400,7 @@ EOF
{ regexp => qr/DECLARE_ASN1_ITEM<<<\((.*)\)>>>/,
massager => sub {
return (<<"EOF");
#ifndef OPENSSL_EXPORT_VAR_AS_FUNCTION
OPENSSL_EXTERN const ASN1_ITEM *$1_it;
#else
const ASN1_ITEM *$1_it(void);
#endif
EOF
},
},