cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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gcc-generate-ipa-pass.h (6429B)


      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * Generator for IPA pass related boilerplate code/data
      4 *
      5 * Supports gcc 4.5-6
      6 *
      7 * Usage:
      8 *
      9 * 1. before inclusion define PASS_NAME
     10 * 2. before inclusion define NO_* for unimplemented callbacks
     11 *    NO_GENERATE_SUMMARY
     12 *    NO_READ_SUMMARY
     13 *    NO_WRITE_SUMMARY
     14 *    NO_READ_OPTIMIZATION_SUMMARY
     15 *    NO_WRITE_OPTIMIZATION_SUMMARY
     16 *    NO_STMT_FIXUP
     17 *    NO_FUNCTION_TRANSFORM
     18 *    NO_VARIABLE_TRANSFORM
     19 *    NO_GATE
     20 *    NO_EXECUTE
     21 * 3. before inclusion define PROPERTIES_* and *TODO_FLAGS_* to override
     22 *    the default 0 values
     23 * 4. for convenience, all the above will be undefined after inclusion!
     24 * 5. the only exported name is make_PASS_NAME_pass() to register with gcc
     25 */
     26
     27#ifndef PASS_NAME
     28#error at least PASS_NAME must be defined
     29#else
     30#define __GCC_PLUGIN_STRINGIFY(n)	#n
     31#define _GCC_PLUGIN_STRINGIFY(n)	__GCC_PLUGIN_STRINGIFY(n)
     32#define _GCC_PLUGIN_CONCAT2(x, y)	x ## y
     33#define _GCC_PLUGIN_CONCAT3(x, y, z)	x ## y ## z
     34
     35#define __PASS_NAME_PASS_DATA(n)	_GCC_PLUGIN_CONCAT2(n, _pass_data)
     36#define _PASS_NAME_PASS_DATA		__PASS_NAME_PASS_DATA(PASS_NAME)
     37
     38#define __PASS_NAME_PASS(n)		_GCC_PLUGIN_CONCAT2(n, _pass)
     39#define _PASS_NAME_PASS			__PASS_NAME_PASS(PASS_NAME)
     40
     41#define _PASS_NAME_NAME			_GCC_PLUGIN_STRINGIFY(PASS_NAME)
     42
     43#define __MAKE_PASS_NAME_PASS(n)	_GCC_PLUGIN_CONCAT3(make_, n, _pass)
     44#define _MAKE_PASS_NAME_PASS		__MAKE_PASS_NAME_PASS(PASS_NAME)
     45
     46#ifdef NO_GENERATE_SUMMARY
     47#define _GENERATE_SUMMARY NULL
     48#else
     49#define __GENERATE_SUMMARY(n)		_GCC_PLUGIN_CONCAT2(n, _generate_summary)
     50#define _GENERATE_SUMMARY		__GENERATE_SUMMARY(PASS_NAME)
     51#endif
     52
     53#ifdef NO_READ_SUMMARY
     54#define _READ_SUMMARY NULL
     55#else
     56#define __READ_SUMMARY(n)		_GCC_PLUGIN_CONCAT2(n, _read_summary)
     57#define _READ_SUMMARY			__READ_SUMMARY(PASS_NAME)
     58#endif
     59
     60#ifdef NO_WRITE_SUMMARY
     61#define _WRITE_SUMMARY NULL
     62#else
     63#define __WRITE_SUMMARY(n)		_GCC_PLUGIN_CONCAT2(n, _write_summary)
     64#define _WRITE_SUMMARY			__WRITE_SUMMARY(PASS_NAME)
     65#endif
     66
     67#ifdef NO_READ_OPTIMIZATION_SUMMARY
     68#define _READ_OPTIMIZATION_SUMMARY NULL
     69#else
     70#define __READ_OPTIMIZATION_SUMMARY(n)	_GCC_PLUGIN_CONCAT2(n, _read_optimization_summary)
     71#define _READ_OPTIMIZATION_SUMMARY	__READ_OPTIMIZATION_SUMMARY(PASS_NAME)
     72#endif
     73
     74#ifdef NO_WRITE_OPTIMIZATION_SUMMARY
     75#define _WRITE_OPTIMIZATION_SUMMARY NULL
     76#else
     77#define __WRITE_OPTIMIZATION_SUMMARY(n)	_GCC_PLUGIN_CONCAT2(n, _write_optimization_summary)
     78#define _WRITE_OPTIMIZATION_SUMMARY	__WRITE_OPTIMIZATION_SUMMARY(PASS_NAME)
     79#endif
     80
     81#ifdef NO_STMT_FIXUP
     82#define _STMT_FIXUP NULL
     83#else
     84#define __STMT_FIXUP(n)			_GCC_PLUGIN_CONCAT2(n, _stmt_fixup)
     85#define _STMT_FIXUP			__STMT_FIXUP(PASS_NAME)
     86#endif
     87
     88#ifdef NO_FUNCTION_TRANSFORM
     89#define _FUNCTION_TRANSFORM NULL
     90#else
     91#define __FUNCTION_TRANSFORM(n)		_GCC_PLUGIN_CONCAT2(n, _function_transform)
     92#define _FUNCTION_TRANSFORM		__FUNCTION_TRANSFORM(PASS_NAME)
     93#endif
     94
     95#ifdef NO_VARIABLE_TRANSFORM
     96#define _VARIABLE_TRANSFORM NULL
     97#else
     98#define __VARIABLE_TRANSFORM(n)		_GCC_PLUGIN_CONCAT2(n, _variable_transform)
     99#define _VARIABLE_TRANSFORM		__VARIABLE_TRANSFORM(PASS_NAME)
    100#endif
    101
    102#ifdef NO_GATE
    103#define _GATE NULL
    104#define _HAS_GATE false
    105#else
    106#define __GATE(n)			_GCC_PLUGIN_CONCAT2(n, _gate)
    107#define _GATE				__GATE(PASS_NAME)
    108#define _HAS_GATE true
    109#endif
    110
    111#ifdef NO_EXECUTE
    112#define _EXECUTE NULL
    113#define _HAS_EXECUTE false
    114#else
    115#define __EXECUTE(n)			_GCC_PLUGIN_CONCAT2(n, _execute)
    116#define _EXECUTE			__EXECUTE(PASS_NAME)
    117#define _HAS_EXECUTE true
    118#endif
    119
    120#ifndef PROPERTIES_REQUIRED
    121#define PROPERTIES_REQUIRED 0
    122#endif
    123
    124#ifndef PROPERTIES_PROVIDED
    125#define PROPERTIES_PROVIDED 0
    126#endif
    127
    128#ifndef PROPERTIES_DESTROYED
    129#define PROPERTIES_DESTROYED 0
    130#endif
    131
    132#ifndef TODO_FLAGS_START
    133#define TODO_FLAGS_START 0
    134#endif
    135
    136#ifndef TODO_FLAGS_FINISH
    137#define TODO_FLAGS_FINISH 0
    138#endif
    139
    140#ifndef FUNCTION_TRANSFORM_TODO_FLAGS_START
    141#define FUNCTION_TRANSFORM_TODO_FLAGS_START 0
    142#endif
    143
    144namespace {
    145static const pass_data _PASS_NAME_PASS_DATA = {
    146		.type			= IPA_PASS,
    147		.name			= _PASS_NAME_NAME,
    148		.optinfo_flags		= OPTGROUP_NONE,
    149		.tv_id			= TV_NONE,
    150		.properties_required	= PROPERTIES_REQUIRED,
    151		.properties_provided	= PROPERTIES_PROVIDED,
    152		.properties_destroyed	= PROPERTIES_DESTROYED,
    153		.todo_flags_start	= TODO_FLAGS_START,
    154		.todo_flags_finish	= TODO_FLAGS_FINISH,
    155};
    156
    157class _PASS_NAME_PASS : public ipa_opt_pass_d {
    158public:
    159	_PASS_NAME_PASS() : ipa_opt_pass_d(_PASS_NAME_PASS_DATA,
    160			 g,
    161			 _GENERATE_SUMMARY,
    162			 _WRITE_SUMMARY,
    163			 _READ_SUMMARY,
    164			 _WRITE_OPTIMIZATION_SUMMARY,
    165			 _READ_OPTIMIZATION_SUMMARY,
    166			 _STMT_FIXUP,
    167			 FUNCTION_TRANSFORM_TODO_FLAGS_START,
    168			 _FUNCTION_TRANSFORM,
    169			 _VARIABLE_TRANSFORM) {}
    170
    171#ifndef NO_GATE
    172	virtual bool gate(function *) { return _GATE(); }
    173
    174	virtual opt_pass *clone() { return new _PASS_NAME_PASS(); }
    175
    176#ifndef NO_EXECUTE
    177	virtual unsigned int execute(function *) { return _EXECUTE(); }
    178#endif
    179};
    180}
    181
    182opt_pass *_MAKE_PASS_NAME_PASS(void)
    183{
    184	return new _PASS_NAME_PASS();
    185}
    186#else
    187struct opt_pass *_MAKE_PASS_NAME_PASS(void)
    188{
    189	return &_PASS_NAME_PASS.pass;
    190}
    191#endif
    192
    193/* clean up user provided defines */
    194#undef PASS_NAME
    195#undef NO_GENERATE_SUMMARY
    196#undef NO_WRITE_SUMMARY
    197#undef NO_READ_SUMMARY
    198#undef NO_WRITE_OPTIMIZATION_SUMMARY
    199#undef NO_READ_OPTIMIZATION_SUMMARY
    200#undef NO_STMT_FIXUP
    201#undef NO_FUNCTION_TRANSFORM
    202#undef NO_VARIABLE_TRANSFORM
    203#undef NO_GATE
    204#undef NO_EXECUTE
    205
    206#undef FUNCTION_TRANSFORM_TODO_FLAGS_START
    207#undef PROPERTIES_DESTROYED
    208#undef PROPERTIES_PROVIDED
    209#undef PROPERTIES_REQUIRED
    210#undef TODO_FLAGS_FINISH
    211#undef TODO_FLAGS_START
    212
    213/* clean up generated defines */
    214#undef _EXECUTE
    215#undef __EXECUTE
    216#undef _FUNCTION_TRANSFORM
    217#undef __FUNCTION_TRANSFORM
    218#undef _GATE
    219#undef __GATE
    220#undef _GCC_PLUGIN_CONCAT2
    221#undef _GCC_PLUGIN_CONCAT3
    222#undef _GCC_PLUGIN_STRINGIFY
    223#undef __GCC_PLUGIN_STRINGIFY
    224#undef _GENERATE_SUMMARY
    225#undef __GENERATE_SUMMARY
    226#undef _HAS_EXECUTE
    227#undef _HAS_GATE
    228#undef _MAKE_PASS_NAME_PASS
    229#undef __MAKE_PASS_NAME_PASS
    230#undef _PASS_NAME_NAME
    231#undef _PASS_NAME_PASS
    232#undef __PASS_NAME_PASS
    233#undef _PASS_NAME_PASS_DATA
    234#undef __PASS_NAME_PASS_DATA
    235#undef _READ_OPTIMIZATION_SUMMARY
    236#undef __READ_OPTIMIZATION_SUMMARY
    237#undef _READ_SUMMARY
    238#undef __READ_SUMMARY
    239#undef _STMT_FIXUP
    240#undef __STMT_FIXUP
    241#undef _VARIABLE_TRANSFORM
    242#undef __VARIABLE_TRANSFORM
    243#undef _WRITE_OPTIMIZATION_SUMMARY
    244#undef __WRITE_OPTIMIZATION_SUMMARY
    245#undef _WRITE_SUMMARY
    246#undef __WRITE_SUMMARY
    247
    248#endif /* PASS_NAME */