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GCC 10 fixes for gcc-plugins

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- Adjust caller of cgraph_create_edge for GCC 10 argument usage
 - Update common headers to build under GCC 10 (Frédéric Pierret)
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Merge tag 'gcc-plugins-v5.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull gcc-plugins fixes from Kees Cook:
 "GCC 10 fixes for gcc-plugins:

   - Adjust caller of cgraph_create_edge for GCC 10 argument usage

   - Update common headers to build under GCC 10 (Frédéric Pierret)"

* tag 'gcc-plugins-v5.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  gcc-common.h: Update for GCC 10
  gcc-plugins/stackleak: Avoid assignment for unused macro argument
This commit is contained in:
Linus Torvalds 2020-05-04 11:20:32 -07:00
commit 9851a0dee7
3 changed files with 7 additions and 3 deletions
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1
scripts/gcc-plugins/Makefile
View File

@ -4,6 +4,7 @@ GCC_PLUGINS_DIR := $(shell $(CC) -print-file-name=plugin)
HOST_EXTRACXXFLAGS += -I$(GCC_PLUGINS_DIR)/include -I$(src) -std=gnu++98 -fno-rtti
HOST_EXTRACXXFLAGS += -fno-exceptions -fasynchronous-unwind-tables -ggdb
HOST_EXTRACXXFLAGS += -Wno-narrowing -Wno-unused-variable -Wno-c++11-compat
HOST_EXTRACXXFLAGS += -Wno-format-diag
$(obj)/randomize_layout_plugin.o: $(objtree)/$(obj)/randomize_layout_seed.h
quiet_cmd_create_randomize_layout_seed = GENSEED $@

4
scripts/gcc-plugins/gcc-common.h
View File

@ -35,7 +35,9 @@
#include "ggc.h"
#include "timevar.h"
#if BUILDING_GCC_VERSION < 10000
#include "params.h"
#endif
#if BUILDING_GCC_VERSION <= 4009
#include "pointer-set.h"
@ -847,6 +849,7 @@ static inline gimple gimple_build_assign_with_ops(enum tree_code subcode, tree l
return gimple_build_assign(lhs, subcode, op1, op2 PASS_MEM_STAT);
}
#if BUILDING_GCC_VERSION < 10000
template <>
template <>
inline bool is_a_helper<const ggoto *>::test(const_gimple gs)
@ -860,6 +863,7 @@ inline bool is_a_helper<const greturn *>::test(const_gimple gs)
{
return gs->code == GIMPLE_RETURN;
}
#endif
static inline gasm *as_a_gasm(gimple stmt)
{

5
scripts/gcc-plugins/stackleak_plugin.c
View File

@ -51,7 +51,6 @@ static void stackleak_add_track_stack(gimple_stmt_iterator *gsi, bool after)
gimple stmt;
gcall *stackleak_track_stack;
cgraph_node_ptr node;
int frequency;
basic_block bb;
/* Insert call to void stackleak_track_stack(void) */
@ -68,9 +67,9 @@ static void stackleak_add_track_stack(gimple_stmt_iterator *gsi, bool after)
bb = gimple_bb(stackleak_track_stack);
node = cgraph_get_create_node(track_function_decl);
gcc_assert(node);
frequency = compute_call_stmt_bb_frequency(current_function_decl, bb);
cgraph_create_edge(cgraph_get_node(current_function_decl), node,
stackleak_track_stack, bb->count, frequency);
stackleak_track_stack, bb->count,
compute_call_stmt_bb_frequency(current_function_decl, bb));
}
static bool is_alloca(gimple stmt)