mirror of
https://github.com/torvalds/linux
synced 2024-07-21 10:41:44 +00:00
4c78c7271f
The minimum GCC version has been bumped to 5.1, so we can get rid of all the compatibility code for anything older than that. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20210922182632.633394-1-ardb@kernel.org
249 lines
6.3 KiB
C++
249 lines
6.3 KiB
C++
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Generator for IPA pass related boilerplate code/data
|
|
*
|
|
* Supports gcc 4.5-6
|
|
*
|
|
* Usage:
|
|
*
|
|
* 1. before inclusion define PASS_NAME
|
|
* 2. before inclusion define NO_* for unimplemented callbacks
|
|
* NO_GENERATE_SUMMARY
|
|
* NO_READ_SUMMARY
|
|
* NO_WRITE_SUMMARY
|
|
* NO_READ_OPTIMIZATION_SUMMARY
|
|
* NO_WRITE_OPTIMIZATION_SUMMARY
|
|
* NO_STMT_FIXUP
|
|
* NO_FUNCTION_TRANSFORM
|
|
* NO_VARIABLE_TRANSFORM
|
|
* NO_GATE
|
|
* NO_EXECUTE
|
|
* 3. before inclusion define PROPERTIES_* and *TODO_FLAGS_* to override
|
|
* the default 0 values
|
|
* 4. for convenience, all the above will be undefined after inclusion!
|
|
* 5. the only exported name is make_PASS_NAME_pass() to register with gcc
|
|
*/
|
|
|
|
#ifndef PASS_NAME
|
|
#error at least PASS_NAME must be defined
|
|
#else
|
|
#define __GCC_PLUGIN_STRINGIFY(n) #n
|
|
#define _GCC_PLUGIN_STRINGIFY(n) __GCC_PLUGIN_STRINGIFY(n)
|
|
#define _GCC_PLUGIN_CONCAT2(x, y) x ## y
|
|
#define _GCC_PLUGIN_CONCAT3(x, y, z) x ## y ## z
|
|
|
|
#define __PASS_NAME_PASS_DATA(n) _GCC_PLUGIN_CONCAT2(n, _pass_data)
|
|
#define _PASS_NAME_PASS_DATA __PASS_NAME_PASS_DATA(PASS_NAME)
|
|
|
|
#define __PASS_NAME_PASS(n) _GCC_PLUGIN_CONCAT2(n, _pass)
|
|
#define _PASS_NAME_PASS __PASS_NAME_PASS(PASS_NAME)
|
|
|
|
#define _PASS_NAME_NAME _GCC_PLUGIN_STRINGIFY(PASS_NAME)
|
|
|
|
#define __MAKE_PASS_NAME_PASS(n) _GCC_PLUGIN_CONCAT3(make_, n, _pass)
|
|
#define _MAKE_PASS_NAME_PASS __MAKE_PASS_NAME_PASS(PASS_NAME)
|
|
|
|
#ifdef NO_GENERATE_SUMMARY
|
|
#define _GENERATE_SUMMARY NULL
|
|
#else
|
|
#define __GENERATE_SUMMARY(n) _GCC_PLUGIN_CONCAT2(n, _generate_summary)
|
|
#define _GENERATE_SUMMARY __GENERATE_SUMMARY(PASS_NAME)
|
|
#endif
|
|
|
|
#ifdef NO_READ_SUMMARY
|
|
#define _READ_SUMMARY NULL
|
|
#else
|
|
#define __READ_SUMMARY(n) _GCC_PLUGIN_CONCAT2(n, _read_summary)
|
|
#define _READ_SUMMARY __READ_SUMMARY(PASS_NAME)
|
|
#endif
|
|
|
|
#ifdef NO_WRITE_SUMMARY
|
|
#define _WRITE_SUMMARY NULL
|
|
#else
|
|
#define __WRITE_SUMMARY(n) _GCC_PLUGIN_CONCAT2(n, _write_summary)
|
|
#define _WRITE_SUMMARY __WRITE_SUMMARY(PASS_NAME)
|
|
#endif
|
|
|
|
#ifdef NO_READ_OPTIMIZATION_SUMMARY
|
|
#define _READ_OPTIMIZATION_SUMMARY NULL
|
|
#else
|
|
#define __READ_OPTIMIZATION_SUMMARY(n) _GCC_PLUGIN_CONCAT2(n, _read_optimization_summary)
|
|
#define _READ_OPTIMIZATION_SUMMARY __READ_OPTIMIZATION_SUMMARY(PASS_NAME)
|
|
#endif
|
|
|
|
#ifdef NO_WRITE_OPTIMIZATION_SUMMARY
|
|
#define _WRITE_OPTIMIZATION_SUMMARY NULL
|
|
#else
|
|
#define __WRITE_OPTIMIZATION_SUMMARY(n) _GCC_PLUGIN_CONCAT2(n, _write_optimization_summary)
|
|
#define _WRITE_OPTIMIZATION_SUMMARY __WRITE_OPTIMIZATION_SUMMARY(PASS_NAME)
|
|
#endif
|
|
|
|
#ifdef NO_STMT_FIXUP
|
|
#define _STMT_FIXUP NULL
|
|
#else
|
|
#define __STMT_FIXUP(n) _GCC_PLUGIN_CONCAT2(n, _stmt_fixup)
|
|
#define _STMT_FIXUP __STMT_FIXUP(PASS_NAME)
|
|
#endif
|
|
|
|
#ifdef NO_FUNCTION_TRANSFORM
|
|
#define _FUNCTION_TRANSFORM NULL
|
|
#else
|
|
#define __FUNCTION_TRANSFORM(n) _GCC_PLUGIN_CONCAT2(n, _function_transform)
|
|
#define _FUNCTION_TRANSFORM __FUNCTION_TRANSFORM(PASS_NAME)
|
|
#endif
|
|
|
|
#ifdef NO_VARIABLE_TRANSFORM
|
|
#define _VARIABLE_TRANSFORM NULL
|
|
#else
|
|
#define __VARIABLE_TRANSFORM(n) _GCC_PLUGIN_CONCAT2(n, _variable_transform)
|
|
#define _VARIABLE_TRANSFORM __VARIABLE_TRANSFORM(PASS_NAME)
|
|
#endif
|
|
|
|
#ifdef NO_GATE
|
|
#define _GATE NULL
|
|
#define _HAS_GATE false
|
|
#else
|
|
#define __GATE(n) _GCC_PLUGIN_CONCAT2(n, _gate)
|
|
#define _GATE __GATE(PASS_NAME)
|
|
#define _HAS_GATE true
|
|
#endif
|
|
|
|
#ifdef NO_EXECUTE
|
|
#define _EXECUTE NULL
|
|
#define _HAS_EXECUTE false
|
|
#else
|
|
#define __EXECUTE(n) _GCC_PLUGIN_CONCAT2(n, _execute)
|
|
#define _EXECUTE __EXECUTE(PASS_NAME)
|
|
#define _HAS_EXECUTE true
|
|
#endif
|
|
|
|
#ifndef PROPERTIES_REQUIRED
|
|
#define PROPERTIES_REQUIRED 0
|
|
#endif
|
|
|
|
#ifndef PROPERTIES_PROVIDED
|
|
#define PROPERTIES_PROVIDED 0
|
|
#endif
|
|
|
|
#ifndef PROPERTIES_DESTROYED
|
|
#define PROPERTIES_DESTROYED 0
|
|
#endif
|
|
|
|
#ifndef TODO_FLAGS_START
|
|
#define TODO_FLAGS_START 0
|
|
#endif
|
|
|
|
#ifndef TODO_FLAGS_FINISH
|
|
#define TODO_FLAGS_FINISH 0
|
|
#endif
|
|
|
|
#ifndef FUNCTION_TRANSFORM_TODO_FLAGS_START
|
|
#define FUNCTION_TRANSFORM_TODO_FLAGS_START 0
|
|
#endif
|
|
|
|
namespace {
|
|
static const pass_data _PASS_NAME_PASS_DATA = {
|
|
.type = IPA_PASS,
|
|
.name = _PASS_NAME_NAME,
|
|
.optinfo_flags = OPTGROUP_NONE,
|
|
.tv_id = TV_NONE,
|
|
.properties_required = PROPERTIES_REQUIRED,
|
|
.properties_provided = PROPERTIES_PROVIDED,
|
|
.properties_destroyed = PROPERTIES_DESTROYED,
|
|
.todo_flags_start = TODO_FLAGS_START,
|
|
.todo_flags_finish = TODO_FLAGS_FINISH,
|
|
};
|
|
|
|
class _PASS_NAME_PASS : public ipa_opt_pass_d {
|
|
public:
|
|
_PASS_NAME_PASS() : ipa_opt_pass_d(_PASS_NAME_PASS_DATA,
|
|
g,
|
|
_GENERATE_SUMMARY,
|
|
_WRITE_SUMMARY,
|
|
_READ_SUMMARY,
|
|
_WRITE_OPTIMIZATION_SUMMARY,
|
|
_READ_OPTIMIZATION_SUMMARY,
|
|
_STMT_FIXUP,
|
|
FUNCTION_TRANSFORM_TODO_FLAGS_START,
|
|
_FUNCTION_TRANSFORM,
|
|
_VARIABLE_TRANSFORM) {}
|
|
|
|
#ifndef NO_GATE
|
|
virtual bool gate(function *) { return _GATE(); }
|
|
|
|
virtual opt_pass *clone() { return new _PASS_NAME_PASS(); }
|
|
|
|
#ifndef NO_EXECUTE
|
|
virtual unsigned int execute(function *) { return _EXECUTE(); }
|
|
#endif
|
|
};
|
|
}
|
|
|
|
opt_pass *_MAKE_PASS_NAME_PASS(void)
|
|
{
|
|
return new _PASS_NAME_PASS();
|
|
}
|
|
#else
|
|
struct opt_pass *_MAKE_PASS_NAME_PASS(void)
|
|
{
|
|
return &_PASS_NAME_PASS.pass;
|
|
}
|
|
#endif
|
|
|
|
/* clean up user provided defines */
|
|
#undef PASS_NAME
|
|
#undef NO_GENERATE_SUMMARY
|
|
#undef NO_WRITE_SUMMARY
|
|
#undef NO_READ_SUMMARY
|
|
#undef NO_WRITE_OPTIMIZATION_SUMMARY
|
|
#undef NO_READ_OPTIMIZATION_SUMMARY
|
|
#undef NO_STMT_FIXUP
|
|
#undef NO_FUNCTION_TRANSFORM
|
|
#undef NO_VARIABLE_TRANSFORM
|
|
#undef NO_GATE
|
|
#undef NO_EXECUTE
|
|
|
|
#undef FUNCTION_TRANSFORM_TODO_FLAGS_START
|
|
#undef PROPERTIES_DESTROYED
|
|
#undef PROPERTIES_PROVIDED
|
|
#undef PROPERTIES_REQUIRED
|
|
#undef TODO_FLAGS_FINISH
|
|
#undef TODO_FLAGS_START
|
|
|
|
/* clean up generated defines */
|
|
#undef _EXECUTE
|
|
#undef __EXECUTE
|
|
#undef _FUNCTION_TRANSFORM
|
|
#undef __FUNCTION_TRANSFORM
|
|
#undef _GATE
|
|
#undef __GATE
|
|
#undef _GCC_PLUGIN_CONCAT2
|
|
#undef _GCC_PLUGIN_CONCAT3
|
|
#undef _GCC_PLUGIN_STRINGIFY
|
|
#undef __GCC_PLUGIN_STRINGIFY
|
|
#undef _GENERATE_SUMMARY
|
|
#undef __GENERATE_SUMMARY
|
|
#undef _HAS_EXECUTE
|
|
#undef _HAS_GATE
|
|
#undef _MAKE_PASS_NAME_PASS
|
|
#undef __MAKE_PASS_NAME_PASS
|
|
#undef _PASS_NAME_NAME
|
|
#undef _PASS_NAME_PASS
|
|
#undef __PASS_NAME_PASS
|
|
#undef _PASS_NAME_PASS_DATA
|
|
#undef __PASS_NAME_PASS_DATA
|
|
#undef _READ_OPTIMIZATION_SUMMARY
|
|
#undef __READ_OPTIMIZATION_SUMMARY
|
|
#undef _READ_SUMMARY
|
|
#undef __READ_SUMMARY
|
|
#undef _STMT_FIXUP
|
|
#undef __STMT_FIXUP
|
|
#undef _VARIABLE_TRANSFORM
|
|
#undef __VARIABLE_TRANSFORM
|
|
#undef _WRITE_OPTIMIZATION_SUMMARY
|
|
#undef __WRITE_OPTIMIZATION_SUMMARY
|
|
#undef _WRITE_SUMMARY
|
|
#undef __WRITE_SUMMARY
|
|
|
|
#endif /* PASS_NAME */
|