diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 8fd42aa7c4bd0f3f7035cbfc53e9268b50d5d684..072d791dce2d5e1304a8c2a9524a1a18dd89b623 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -92,7 +92,7 @@ int _node_numa_mem_[MAX_NUMNODES]; #endif #ifdef CONFIG_GCC_PLUGIN_LATENT_ENTROPY -volatile u64 latent_entropy __latent_entropy; +volatile unsigned long latent_entropy __latent_entropy; EXPORT_SYMBOL(latent_entropy); #endif diff --git a/scripts/gcc-plugins/cyc_complexity_plugin.c b/scripts/gcc-plugins/cyc_complexity_plugin.c index 34df974c6ba3a586435dc0ce313a3986d0031d6c..8af7db06122d21b91667755767d0967824b05694 100644 --- a/scripts/gcc-plugins/cyc_complexity_plugin.c +++ b/scripts/gcc-plugins/cyc_complexity_plugin.c @@ -20,7 +20,7 @@ #include "gcc-common.h" -int plugin_is_GPL_compatible; +__visible int plugin_is_GPL_compatible; static struct plugin_info cyc_complexity_plugin_info = { .version = "20160225", @@ -49,7 +49,7 @@ static unsigned int cyc_complexity_execute(void) #include "gcc-generate-gimple-pass.h" -int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) +__visible int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) { const char * const plugin_name = plugin_info->base_name; struct register_pass_info cyc_complexity_pass_info; diff --git a/scripts/gcc-plugins/gcc-common.h b/scripts/gcc-plugins/gcc-common.h index 172850bcd0d9f0eefe6b575f6417ed2397889ccf..950fd2e64bb73b9f261188bba272ea7e7ec10249 100644 --- a/scripts/gcc-plugins/gcc-common.h +++ b/scripts/gcc-plugins/gcc-common.h @@ -130,6 +130,7 @@ extern void dump_gimple_stmt(pretty_printer *, gimple, int, int); #endif #define __unused __attribute__((__unused__)) +#define __visible __attribute__((visibility("default"))) #define DECL_NAME_POINTER(node) IDENTIFIER_POINTER(DECL_NAME(node)) #define DECL_NAME_LENGTH(node) IDENTIFIER_LENGTH(DECL_NAME(node)) diff --git a/scripts/gcc-plugins/latent_entropy_plugin.c b/scripts/gcc-plugins/latent_entropy_plugin.c index ff1939b804aefe75631431b45e6f7ce80cc133f3..8160f1c1b56ed941a6e15f7c906f8fb990edcdd3 100644 --- a/scripts/gcc-plugins/latent_entropy_plugin.c +++ b/scripts/gcc-plugins/latent_entropy_plugin.c @@ -77,7 +77,7 @@ #include "gcc-common.h" -int plugin_is_GPL_compatible; +__visible int plugin_is_GPL_compatible; static GTY(()) tree latent_entropy_decl; @@ -340,7 +340,7 @@ static enum tree_code get_op(tree *rhs) break; } if (rhs) - *rhs = build_int_cstu(unsigned_intDI_type_node, random_const); + *rhs = build_int_cstu(long_unsigned_type_node, random_const); return op; } @@ -372,7 +372,7 @@ static void __perturb_latent_entropy(gimple_stmt_iterator *gsi, enum tree_code op; /* 1. create temporary copy of latent_entropy */ - temp = create_var(unsigned_intDI_type_node, "tmp_latent_entropy"); + temp = create_var(long_unsigned_type_node, "temp_latent_entropy"); /* 2. read... */ add_referenced_var(latent_entropy_decl); @@ -459,13 +459,13 @@ static void init_local_entropy(basic_block bb, tree local_entropy) gsi_insert_before(&gsi, call, GSI_NEW_STMT); update_stmt(call); - udi_frame_addr = fold_convert(unsigned_intDI_type_node, frame_addr); + udi_frame_addr = fold_convert(long_unsigned_type_node, frame_addr); assign = gimple_build_assign(local_entropy, udi_frame_addr); gsi_insert_after(&gsi, assign, GSI_NEW_STMT); update_stmt(assign); /* 3. create temporary copy of latent_entropy */ - tmp = create_var(unsigned_intDI_type_node, "tmp_latent_entropy"); + tmp = create_var(long_unsigned_type_node, "temp_latent_entropy"); /* 4. read the global entropy variable into local entropy */ add_referenced_var(latent_entropy_decl); @@ -480,7 +480,7 @@ static void init_local_entropy(basic_block bb, tree local_entropy) update_stmt(assign); rand_cst = get_random_const(); - rand_const = build_int_cstu(unsigned_intDI_type_node, rand_cst); + rand_const = build_int_cstu(long_unsigned_type_node, rand_cst); op = get_op(NULL); assign = create_assign(op, local_entropy, local_entropy, rand_const); gsi_insert_after(&gsi, assign, GSI_NEW_STMT); @@ -529,7 +529,7 @@ static unsigned int latent_entropy_execute(void) } /* 1. create the local entropy variable */ - local_entropy = create_var(unsigned_intDI_type_node, "local_entropy"); + local_entropy = create_var(long_unsigned_type_node, "local_entropy"); /* 2. initialize the local entropy variable */ init_local_entropy(bb, local_entropy); @@ -561,10 +561,9 @@ static void latent_entropy_start_unit(void *gcc_data __unused, if (in_lto_p) return; - /* extern volatile u64 latent_entropy */ - gcc_assert(TYPE_PRECISION(long_long_unsigned_type_node) == 64); - quals = TYPE_QUALS(long_long_unsigned_type_node) | TYPE_QUAL_VOLATILE; - type = build_qualified_type(long_long_unsigned_type_node, quals); + /* extern volatile unsigned long latent_entropy */ + quals = TYPE_QUALS(long_unsigned_type_node) | TYPE_QUAL_VOLATILE; + type = build_qualified_type(long_unsigned_type_node, quals); id = get_identifier("latent_entropy"); latent_entropy_decl = build_decl(UNKNOWN_LOCATION, VAR_DECL, id, type); @@ -584,8 +583,8 @@ static void latent_entropy_start_unit(void *gcc_data __unused, | TODO_update_ssa #include "gcc-generate-gimple-pass.h" -int plugin_init(struct plugin_name_args *plugin_info, - struct plugin_gcc_version *version) +__visible int plugin_init(struct plugin_name_args *plugin_info, + struct plugin_gcc_version *version) { bool enabled = true; const char * const plugin_name = plugin_info->base_name; diff --git a/scripts/gcc-plugins/sancov_plugin.c b/scripts/gcc-plugins/sancov_plugin.c index aedd6113cb731bcbbec89620e1e4fb4512cef4b2..7ea0b3f50739e319a8ec57de40654d241e5a78f7 100644 --- a/scripts/gcc-plugins/sancov_plugin.c +++ b/scripts/gcc-plugins/sancov_plugin.c @@ -21,7 +21,7 @@ #include "gcc-common.h" -int plugin_is_GPL_compatible; +__visible int plugin_is_GPL_compatible; tree sancov_fndecl; @@ -86,7 +86,7 @@ static void sancov_start_unit(void __unused *gcc_data, void __unused *user_data) #endif } -int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) +__visible int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) { int i; struct register_pass_info sancov_plugin_pass_info;