GCC8: Merging fixes from Minipli's tree, found here: https://github.com/minipli/linux-unofficial_grsec/commits/gcc8_compat_fixes

Author: matthewruffell

patches/a_scripts_gcc-plugins_gcc-common.h.patch

@@ -75,14 +75,25 @@ index 12262c0..aab4a5e 100644
  #include "predict.h"
  #include "ipa-utils.h"
 
-@@ -90,6 +111,7 @@
+@@ -84,16 +84,17 @@
+ #include "ipa-utils.h"
+ 
+ #if BUILDING_GCC_VERSION >= 4009
++#include "stringpool.h"
+ #include "attribs.h"
+ #include "varasm.h"
+ #include "stor-layout.h"
  #include "internal-fn.h"
  #include "gimple-expr.h"
  #include "gimple-fold.h"
 +//#include "diagnostic-color.h"
  #include "context.h"
  #include "tree-ssa-alias.h"
  #include "tree-ssa.h"
+-#include "stringpool.h"
+ #if BUILDING_GCC_VERSION >= 7000
+ #include "tree-vrp.h"
+ #endif
 @@ -115,28 +137,34 @@
  #include "ssa-iterators.h"
  #endif
@@ -270,3 +281,41 @@ index 12262c0..aab4a5e 100644
  #if BUILDING_GCC_VERSION >= 7000
  #define get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, preversep, pvolatilep, keep_aligning)	\
  	get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, preversep, pvolatilep)
+@@ -913,4 +913,37 @@ static inline void debug_gimple_stmt(const_gimple s)
+ 	get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, preversep, pvolatilep)
+ #endif
+ 
++#if BUILDING_GCC_VERSION < 8000
++#define E_HImode HImode
++#define E_SImode SImode
++#define E_DImode DImode
++#define E_TImode TImode
++#define E_QImode QImode
++#endif
++
++#if BUILDING_GCC_VERSION < 5000
++#define SCALAR_INT_MODE	enum machine_mode
++#define MACHINE_MODE	enum machine_mode
++#elif BUILDING_GCC_VERSION < 8000
++#define SCALAR_INT_MODE	machine_mode
++#define MACHINE_MODE	machine_mode
++#else
++#define SCALAR_INT_MODE	scalar_int_mode
++#define MACHINE_MODE	machine_mode
++#endif
++
++#if BUILDING_GCC_VERSION >= 8000
++#define empty_string	""
++
++static inline profile_probability probability(int prob)
++{
++	return profile_probability::from_reg_br_prob_base(prob);
++}
++#else
++static inline int probability(int prob)
++{
++	return prob;
++}
++#endif
++
+ #endif

patches/b_scripts_gcc-plugins_checker_plugin.c.patch

@@ -3,7 +3,7 @@ new file mode 100644
 index 0000000..33f4af8
 --- /dev/null
 +++ b/scripts/gcc-plugins/checker_plugin.c
-@@ -0,0 +1,491 @@
+@@ -0,0 +1,493 @@
 +/*
 + * Copyright 2011-2017 by the PaX Team <pageexec@freemail.hu>
 + * Licensed under the GPL v2
@@ -25,11 +25,11 @@ index 0000000..33f4af8
 +#include "gcc-common.h"
 +
 +extern void c_register_addr_space (const char *str, addr_space_t as);
-+extern enum machine_mode default_addr_space_pointer_mode (addr_space_t);
-+extern enum machine_mode default_addr_space_address_mode (addr_space_t);
-+extern bool default_addr_space_valid_pointer_mode(enum machine_mode mode, addr_space_t as);
-+extern bool default_addr_space_legitimate_address_p(enum machine_mode mode, rtx mem, bool strict, addr_space_t as);
-+extern rtx default_addr_space_legitimize_address(rtx x, rtx oldx, enum machine_mode mode, addr_space_t as);
++extern SCALAR_INT_MODE default_addr_space_pointer_mode (addr_space_t);
++extern SCALAR_INT_MODE default_addr_space_address_mode (addr_space_t);
++extern bool default_addr_space_valid_pointer_mode(SCALAR_INT_MODE mode, addr_space_t as);
++extern bool default_addr_space_legitimate_address_p(MACHINE_MODE mode, rtx mem, bool strict, addr_space_t as);
++extern rtx default_addr_space_legitimize_address(rtx x, rtx oldx, MACHINE_MODE mode, addr_space_t as);
 +
 +__visible int plugin_is_GPL_compatible;
 +
@@ -50,27 +50,27 @@ index 0000000..33f4af8
 +#define ADDR_SPACE_RCU			0
 +#define ADDR_SPACE_FORCE_RCU		0
 +
-+static enum machine_mode checker_addr_space_pointer_mode(addr_space_t addrspace)
++static SCALAR_INT_MODE checker_addr_space_pointer_mode(addr_space_t addrspace)
 +{
 +	return default_addr_space_pointer_mode(ADDR_SPACE_GENERIC);
 +}
 +
-+static enum machine_mode checker_addr_space_address_mode(addr_space_t addrspace)
++static SCALAR_INT_MODE checker_addr_space_address_mode(addr_space_t addrspace)
 +{
 +	return default_addr_space_address_mode(ADDR_SPACE_GENERIC);
 +}
 +
-+static bool checker_addr_space_valid_pointer_mode(enum machine_mode mode, addr_space_t as)
++static bool checker_addr_space_valid_pointer_mode(SCALAR_INT_MODE mode, addr_space_t as)
 +{
 +	return default_addr_space_valid_pointer_mode(mode, as);
 +}
 +
-+static bool checker_addr_space_legitimate_address_p(enum machine_mode mode, rtx mem, bool strict, addr_space_t as)
++static bool checker_addr_space_legitimate_address_p(MACHINE_MODE mode, rtx mem, bool strict, addr_space_t as)
 +{
 +	return default_addr_space_legitimate_address_p(mode, mem, strict, ADDR_SPACE_GENERIC);
 +}
 +
-+static rtx checker_addr_space_legitimize_address(rtx x, rtx oldx, enum machine_mode mode, addr_space_t as)
++static rtx checker_addr_space_legitimize_address(rtx x, rtx oldx, MACHINE_MODE mode, addr_space_t as)
 +{
 +	return default_addr_space_legitimize_address(x, oldx, mode, as);
 +}
@@ -286,7 +286,7 @@ index 0000000..33f4af8
 +	cond_bb = e->src;
 +	join_bb = e->dest;
 +	e->flags = EDGE_FALSE_VALUE;
-+	e->probability = REG_BR_PROB_BASE;
++	e->probability = probability(REG_BR_PROB_BASE);
 +
 +	true_bb = create_empty_bb(EXIT_BLOCK_PTR_FOR_FN(cfun)->prev_bb);
 +	make_edge(cond_bb, true_bb, EDGE_TRUE_VALUE);
@@ -424,6 +424,8 @@ index 0000000..33f4af8
 +
 +	free_dominance_info(CDI_DOMINATORS);
 +	free_dominance_info(CDI_POST_DOMINATORS);
++	//if (current_loops)
++	//	loops_state_set(LOOPS_NEED_FIXUP);
 +	loop_optimizer_finalize();
 +	return 0;
 +}

patches/b_scripts_gcc-plugins_rap_plugin_rap_fptr_pass.c.patch

@@ -3,7 +3,7 @@ new file mode 100644
 index 0000000..09e1377
 --- /dev/null
 +++ b/scripts/gcc-plugins/rap_plugin/rap_fptr_pass.c
-@@ -0,0 +1,278 @@
+@@ -0,0 +1,281 @@
 +/*
 + * Copyright 2012-2017 by PaX Team <pageexec@freemail.hu>
 + * Licensed under the GPL v2
@@ -142,7 +142,7 @@ index 0000000..09e1377
 +	cond_bb = e->src;
 +	join_bb = e->dest;
 +	e->flags = EDGE_FALSE_VALUE;
-+	e->probability = REG_BR_PROB_BASE;
++	e->probability = probability(REG_BR_PROB_BASE);
 +
 +	true_bb = create_empty_bb(EXIT_BLOCK_PTR_FOR_FN(cfun)->prev_bb);
 +	make_edge(cond_bb, true_bb, EDGE_TRUE_VALUE | EDGE_PRESERVE);
@@ -274,6 +274,8 @@ index 0000000..09e1377
 +
 +	free_dominance_info(CDI_DOMINATORS);
 +	free_dominance_info(CDI_POST_DOMINATORS);
++	if (current_loops)
++		loops_state_set(LOOPS_NEED_FIXUP);
 +	loop_optimizer_finalize();
 +
 +	return 0;

patches/b_scripts_gcc-plugins_rap_plugin_rap_ret_pass.c.patch

@@ -3,7 +3,7 @@ new file mode 100644
 index 0000000..690f8d3
 --- /dev/null
 +++ b/scripts/gcc-plugins/rap_plugin/rap_ret_pass.c
-@@ -0,0 +1,343 @@
+@@ -0,0 +1,345 @@
 +/*
 + * Copyright 2012-2017 by PaX Team <pageexec@freemail.hu>
 + * Licensed under the GPL v2
@@ -115,7 +115,7 @@ index 0000000..690f8d3
 +	cond_bb = e->src;
 +	join_bb = e->dest;
 +	e->flags = EDGE_FALSE_VALUE;
-+	e->probability = REG_BR_PROB_BASE;
++	e->probability = probability(REG_BR_PROB_BASE);
 +
 +	true_bb = create_empty_bb(join_bb);
 +	make_edge(cond_bb, true_bb, EDGE_TRUE_VALUE | EDGE_PRESERVE);
@@ -173,6 +173,8 @@ index 0000000..690f8d3
 +
 +	free_dominance_info(CDI_DOMINATORS);
 +	free_dominance_info(CDI_POST_DOMINATORS);
++	if (current_loops)
++		loops_state_set(LOOPS_NEED_FIXUP);
 +	loop_optimizer_finalize();
 +	return 0;
 +}

patches/b_scripts_gcc-plugins_size_overflow_plugin_intentional_overflow.c.patch

@@ -541,16 +541,16 @@ index 0000000..26899bd
 +		return true;
 +
 +	switch (TYPE_MODE(type)) {
-+	case QImode:
++	case E_QImode:
 +		new_type = intQI_type_node;
 +		break;
-+	case HImode:
++	case E_HImode:
 +		new_type = intHI_type_node;
 +		break;
-+	case SImode:
++	case E_SImode:
 +		new_type = intSI_type_node;
 +		break;
-+	case DImode:
++	case E_DImode:
 +		new_type = intDI_type_node;
 +		break;
 +	default:

patches/b_scripts_gcc-plugins_size_overflow_plugin_remove_unnecessary_dup.c.patch

@@ -82,16 +82,16 @@ index 0000000..5c26862
 +
 +	type = TREE_TYPE(node);
 +	switch (TYPE_MODE(type)) {
-+	case HImode:
++	case E_HImode:
 +		new_type = unsigned_intQI_type_node;
 +		break;
-+	case SImode:
++	case E_SImode:
 +		new_type = unsigned_intHI_type_node;
 +		break;
-+	case DImode:
++	case E_DImode:
 +		new_type = unsigned_intSI_type_node;
 +		break;
-+	case TImode:
++	case E_TImode:
 +		new_type = unsigned_intDI_type_node;
 +		break;
 +	default:

patches/b_scripts_gcc-plugins_size_overflow_plugin_size_overflow_transform_core.c.patch

@@ -43,20 +43,20 @@ index 0000000..7b24aea
 +		return TREE_TYPE(node);
 +
 +	switch (TYPE_MODE(type)) {
-+	case QImode:
-+	case HImode:
++	case E_QImode:
++	case E_HImode:
 +		new_type = size_overflow_type_SI;
 +		break;
-+	case SImode:
++	case E_SImode:
 +		new_type = size_overflow_type_DI;
 +		break;
-+	case DImode:
++	case E_DImode:
 +		if (LONG_TYPE_SIZE == GET_MODE_BITSIZE(SImode))
 +			new_type = TYPE_UNSIGNED(type) ? unsigned_intDI_type_node : intDI_type_node;
 +		else
 +			new_type = size_overflow_type_TI;
 +		break;
-+	case TImode:
++	case E_TImode:
 +		gcc_assert(!TYPE_UNSIGNED(type));
 +		new_type = size_overflow_type_TI;
 +		break;
@@ -513,7 +513,7 @@ index 0000000..7b24aea
 +	cond_bb = e->src;
 +	join_bb = e->dest;
 +	e->flags = EDGE_FALSE_VALUE;
-+	e->probability = REG_BR_PROB_BASE;
++	e->probability = probability(REG_BR_PROB_BASE);
 +
 +	bb_true = create_empty_bb(cond_bb);
 +	make_edge(cond_bb, bb_true, EDGE_TRUE_VALUE);