diff options
Diffstat (limited to 'scripts')
32 files changed, 590 insertions, 183 deletions
diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn index 4aea7cf71d11..62c275685b75 100644 --- a/scripts/Makefile.extrawarn +++ b/scripts/Makefile.extrawarn @@ -35,6 +35,7 @@ KBUILD_CFLAGS += $(call cc-option, -Wstringop-truncation) # The following turn off the warnings enabled by -Wextra KBUILD_CFLAGS += -Wno-missing-field-initializers KBUILD_CFLAGS += -Wno-sign-compare +KBUILD_CFLAGS += -Wno-type-limits KBUILD_CPPFLAGS += -DKBUILD_EXTRA_WARN1 @@ -66,6 +67,7 @@ KBUILD_CFLAGS += -Wshadow KBUILD_CFLAGS += $(call cc-option, -Wlogical-op) KBUILD_CFLAGS += -Wmissing-field-initializers KBUILD_CFLAGS += -Wsign-compare +KBUILD_CFLAGS += -Wtype-limits KBUILD_CFLAGS += $(call cc-option, -Wmaybe-uninitialized) KBUILD_CFLAGS += $(call cc-option, -Wunused-macros) diff --git a/scripts/Makefile.gcc-plugins b/scripts/Makefile.gcc-plugins index 5f7df50cfe7a..952e46876329 100644 --- a/scripts/Makefile.gcc-plugins +++ b/scripts/Makefile.gcc-plugins @@ -33,6 +33,8 @@ gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STACKLEAK) \ += -DSTACKLEAK_PLUGIN gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STACKLEAK) \ += -fplugin-arg-stackleak_plugin-track-min-size=$(CONFIG_STACKLEAK_TRACK_MIN_SIZE) +gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STACKLEAK) \ + += -fplugin-arg-stackleak_plugin-arch=$(SRCARCH) ifdef CONFIG_GCC_PLUGIN_STACKLEAK DISABLE_STACKLEAK_PLUGIN += -fplugin-arg-stackleak_plugin-disable endif diff --git a/scripts/Makefile.kcsan b/scripts/Makefile.kcsan index bd4da1af5953..dd66206f4578 100644 --- a/scripts/Makefile.kcsan +++ b/scripts/Makefile.kcsan @@ -6,7 +6,7 @@ ifdef CONFIG_KCSAN ifdef CONFIG_CC_IS_CLANG cc-param = -mllvm -$(1) else -cc-param = --param -$(1) +cc-param = --param $(1) endif # Keep most options here optional, to allow enabling more compilers if absence diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index 99ac59c59826..54f7b7eb580b 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -212,6 +212,9 @@ $(foreach m, $(notdir $1), \ $(addprefix $(obj)/, $(foreach s, $3, $($(m:%$(strip $2)=%$(s))))))) endef +quiet_cmd_copy = COPY $@ + cmd_copy = cp $< $@ + # Shipped files # =========================================================================== @@ -259,6 +262,7 @@ quiet_cmd_gzip = GZIP $@ # DTC # --------------------------------------------------------------------------- DTC ?= $(objtree)/scripts/dtc/dtc +DTC_FLAGS += -Wno-interrupt_provider # Disable noisy checks by default ifeq ($(findstring 1,$(KBUILD_EXTRA_WARN)),) @@ -274,7 +278,8 @@ endif ifneq ($(findstring 2,$(KBUILD_EXTRA_WARN)),) DTC_FLAGS += -Wnode_name_chars_strict \ - -Wproperty_name_chars_strict + -Wproperty_name_chars_strict \ + -Winterrupt_provider endif DTC_FLAGS += $(DTC_FLAGS_$(basetarget)) @@ -408,6 +413,28 @@ quiet_cmd_xzkern = XZKERN $@ quiet_cmd_xzmisc = XZMISC $@ cmd_xzmisc = cat $(real-prereqs) | $(XZ) --check=crc32 --lzma2=dict=1MiB > $@ +# ZSTD +# --------------------------------------------------------------------------- +# Appends the uncompressed size of the data using size_append. The .zst +# format has the size information available at the beginning of the file too, +# but it's in a more complex format and it's good to avoid changing the part +# of the boot code that reads the uncompressed size. +# +# Note that the bytes added by size_append will make the zstd tool think that +# the file is corrupt. This is expected. +# +# zstd uses a maximum window size of 8 MB. zstd22 uses a maximum window size of +# 128 MB. zstd22 is used for kernel compression because it is decompressed in a +# single pass, so zstd doesn't need to allocate a window buffer. When streaming +# decompression is used, like initramfs decompression, zstd22 should likely not +# be used because it would require zstd to allocate a 128 MB buffer. + +quiet_cmd_zstd = ZSTD $@ + cmd_zstd = { cat $(real-prereqs) | $(ZSTD) -19; $(size_append); } > $@ + +quiet_cmd_zstd22 = ZSTD22 $@ + cmd_zstd22 = { cat $(real-prereqs) | $(ZSTD) -22 --ultra; $(size_append); } > $@ + # ASM offsets # --------------------------------------------------------------------------- diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost index 3651cbf6ad49..f54b6ac37ac2 100644 --- a/scripts/Makefile.modpost +++ b/scripts/Makefile.modpost @@ -124,9 +124,6 @@ existing-targets := $(wildcard $(sort $(targets))) -include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd) -PHONY += FORCE -FORCE: - endif .PHONY: $(PHONY) diff --git a/scripts/atomic/gen-atomic-fallback.sh b/scripts/atomic/gen-atomic-fallback.sh index 0fd1cf0c2b94..693dfa1de430 100755 --- a/scripts/atomic/gen-atomic-fallback.sh +++ b/scripts/atomic/gen-atomic-fallback.sh @@ -58,6 +58,21 @@ cat << EOF EOF } +gen_proto_order_variant() +{ + local meta="$1"; shift + local pfx="$1"; shift + local name="$1"; shift + local sfx="$1"; shift + local order="$1"; shift + local arch="$1" + local atomic="$2" + + local basename="${arch}${atomic}_${pfx}${name}${sfx}" + + printf "#define arch_${basename}${order} ${basename}${order}\n" +} + #gen_proto_order_variants(meta, pfx, name, sfx, arch, atomic, int, args...) gen_proto_order_variants() { @@ -72,6 +87,22 @@ gen_proto_order_variants() local template="$(find_fallback_template "${pfx}" "${name}" "${sfx}" "${order}")" + if [ -z "$arch" ]; then + gen_proto_order_variant "${meta}" "${pfx}" "${name}" "${sfx}" "" "$@" + + if meta_has_acquire "${meta}"; then + gen_proto_order_variant "${meta}" "${pfx}" "${name}" "${sfx}" "_acquire" "$@" + fi + if meta_has_release "${meta}"; then + gen_proto_order_variant "${meta}" "${pfx}" "${name}" "${sfx}" "_release" "$@" + fi + if meta_has_relaxed "${meta}"; then + gen_proto_order_variant "${meta}" "${pfx}" "${name}" "${sfx}" "_relaxed" "$@" + fi + + echo "" + fi + # If we don't have relaxed atomics, then we don't bother with ordering fallbacks # read_acquire and set_release need to be templated, though if ! meta_has_relaxed "${meta}"; then diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 4c820607540b..599b8c4933a7 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -840,7 +840,6 @@ our $FuncArg = qr{$Typecast{0,1}($LvalOrFunc|$Constant|$String)}; our $declaration_macros = qr{(?x: (?:$Storage\s+)?(?:[A-Z_][A-Z0-9]*_){0,2}(?:DEFINE|DECLARE)(?:_[A-Z0-9]+){1,6}\s*\(| (?:$Storage\s+)?[HLP]?LIST_HEAD\s*\(| - (?:$Storage\s+)?${Type}\s+uninitialized_var\s*\(| (?:SKCIPHER_REQUEST|SHASH_DESC|AHASH_REQUEST)_ON_STACK\s*\( )}; @@ -5903,8 +5902,7 @@ sub process { my $barriers = qr{ mb| rmb| - wmb| - read_barrier_depends + wmb }x; my $barrier_stems = qr{ mb__before_atomic| @@ -5953,12 +5951,6 @@ sub process { } } -# check for smp_read_barrier_depends and read_barrier_depends - if (!$file && $line =~ /\b(smp_|)read_barrier_depends\s*\(/) { - WARN("READ_BARRIER_DEPENDS", - "$1read_barrier_depends should only be used in READ_ONCE or DEC Alpha code\n" . $herecurr); - } - # check of hardware specific defines if ($line =~ m@^.\s*\#\s*if.*\b(__i386__|__powerpc64__|__sun__|__s390x__)\b@ && $realfile !~ m@include/asm-@) { CHK("ARCH_DEFINES", @@ -6330,8 +6322,7 @@ sub process { if (defined $cond) { substr($s, 0, length($cond), ''); } - if ($s =~ /^\s*;/ && - $function_name ne 'uninitialized_var') + if ($s =~ /^\s*;/) { WARN("AVOID_EXTERNS", "externs should be avoided in .c files\n" . $herecurr); @@ -6350,17 +6341,13 @@ sub process { } # check for function declarations that have arguments without identifier names -# while avoiding uninitialized_var(x) if (defined $stat && - $stat =~ /^.\s*(?:extern\s+)?$Type\s*(?:($Ident)|\(\s*\*\s*$Ident\s*\))\s*\(\s*([^{]+)\s*\)\s*;/s && - (!defined($1) || - (defined($1) && $1 ne "uninitialized_var")) && - $2 ne "void") { - my $args = trim($2); + $stat =~ /^.\s*(?:extern\s+)?$Type\s*(?:$Ident|\(\s*\*\s*$Ident\s*\))\s*\(\s*([^{]+)\s*\)\s*;/s && + $1 ne "void") { + my $args = trim($1); while ($args =~ m/\s*($Type\s*(?:$Ident|\(\s*\*\s*$Ident?\s*\)\s*$balanced_parens)?)/g) { my $arg = trim($1); - if ($arg =~ /^$Type$/ && - $arg !~ /enum\s+$Ident$/) { + if ($arg =~ /^$Type$/ && $arg !~ /enum\s+$Ident$/) { WARN("FUNCTION_ARGUMENTS", "function definition argument '$arg' should also have an identifier name\n" . $herecurr); } diff --git a/scripts/decode_stacktrace.sh b/scripts/decode_stacktrace.sh index 66a6d511b524..0869def435ee 100755 --- a/scripts/decode_stacktrace.sh +++ b/scripts/decode_stacktrace.sh @@ -87,8 +87,8 @@ parse_symbol() { return fi - # Strip out the base of the path - code=${code#$basepath/} + # Strip out the base of the path on each line + code=$(while read -r line; do echo "${line#$basepath/}"; done <<< "$code") # In the case of inlines, move everything to same line code=${code//$'\n'/' '} diff --git a/scripts/dtc/checks.c b/scripts/dtc/checks.c index 4b3c486f1399..b7955dbd71ca 100644 --- a/scripts/dtc/checks.c +++ b/scripts/dtc/checks.c @@ -1022,6 +1022,9 @@ static void check_i2c_bus_bridge(struct check *c, struct dt_info *dti, struct no } WARNING(i2c_bus_bridge, check_i2c_bus_bridge, NULL, &addr_size_cells); +#define I2C_OWN_SLAVE_ADDRESS (1U << 30) +#define I2C_TEN_BIT_ADDRESS (1U << 31) + static void check_i2c_bus_reg(struct check *c, struct dt_info *dti, struct node *node) { struct property *prop; @@ -1044,6 +1047,8 @@ static void check_i2c_bus_reg(struct check *c, struct dt_info *dti, struct node } reg = fdt32_to_cpu(*cells); + /* Ignore I2C_OWN_SLAVE_ADDRESS */ + reg &= ~I2C_OWN_SLAVE_ADDRESS; snprintf(unit_addr, sizeof(unit_addr), "%x", reg); if (!streq(unitname, unit_addr)) FAIL(c, dti, node, "I2C bus unit address format error, expected \"%s\"", @@ -1051,10 +1056,15 @@ static void check_i2c_bus_reg(struct check *c, struct dt_info *dti, struct node for (len = prop->val.len; len > 0; len -= 4) { reg = fdt32_to_cpu(*(cells++)); - if (reg > 0x3ff) + /* Ignore I2C_OWN_SLAVE_ADDRESS */ + reg &= ~I2C_OWN_SLAVE_ADDRESS; + + if ((reg & I2C_TEN_BIT_ADDRESS) && ((reg & ~I2C_TEN_BIT_ADDRESS) > 0x3ff)) FAIL_PROP(c, dti, node, prop, "I2C address must be less than 10-bits, got \"0x%x\"", reg); - + else if (reg > 0x7f) + FAIL_PROP(c, dti, node, prop, "I2C address must be less than 7-bits, got \"0x%x\". Set I2C_TEN_BIT_ADDRESS for 10 bit addresses or fix the property", + reg); } } WARNING(i2c_bus_reg, check_i2c_bus_reg, NULL, ®_format, &i2c_bus_bridge); @@ -1547,6 +1557,28 @@ static bool node_is_interrupt_provider(struct node *node) return false; } + +static void check_interrupt_provider(struct check *c, + struct dt_info *dti, + struct node *node) +{ + struct property *prop; + + if (!node_is_interrupt_provider(node)) + return; + + prop = get_property(node, "#interrupt-cells"); + if (!prop) + FAIL(c, dti, node, + "Missing #interrupt-cells in interrupt provider"); + + prop = get_property(node, "#address-cells"); + if (!prop) + FAIL(c, dti, node, + "Missing #address-cells in interrupt provider"); +} +WARNING(interrupt_provider, check_interrupt_provider, NULL); + static void check_interrupts_property(struct check *c, struct dt_info *dti, struct node *node) @@ -1604,7 +1636,7 @@ static void check_interrupts_property(struct check *c, prop = get_property(irq_node, "#interrupt-cells"); if (!prop) { - FAIL(c, dti, irq_node, "Missing #interrupt-cells in interrupt-parent"); + /* We warn about that already in another test. */ return; } @@ -1828,6 +1860,7 @@ static struct check *check_table[] = { &deprecated_gpio_property, &gpios_property, &interrupts_property, + &interrupt_provider, &alias_paths, diff --git a/scripts/dtc/dtc.h b/scripts/dtc/dtc.h index 6e74ecea55a3..a08f4159cd03 100644 --- a/scripts/dtc/dtc.h +++ b/scripts/dtc/dtc.h @@ -51,6 +51,37 @@ extern int annotate; /* annotate .dts with input source location */ typedef uint32_t cell_t; +static inline uint16_t dtb_ld16(const void *p) +{ + const uint8_t *bp = (const uint8_t *)p; + + return ((uint16_t)bp[0] << 8) + | bp[1]; +} + +static inline uint32_t dtb_ld32(const void *p) +{ + const uint8_t *bp = (const uint8_t *)p; + + return ((uint32_t)bp[0] << 24) + | ((uint32_t)bp[1] << 16) + | ((uint32_t)bp[2] << 8) + | bp[3]; +} + +static inline uint64_t dtb_ld64(const void *p) +{ + const uint8_t *bp = (const uint8_t *)p; + + return ((uint64_t)bp[0] << 56) + | ((uint64_t)bp[1] << 48) + | ((uint64_t)bp[2] << 40) + | ((uint64_t)bp[3] << 32) + | ((uint64_t)bp[4] << 24) + | ((uint64_t)bp[5] << 16) + | ((uint64_t)bp[6] << 8) + | bp[7]; +} #define streq(a, b) (strcmp((a), (b)) == 0) #define strstarts(s, prefix) (strncmp((s), (prefix), strlen(prefix)) == 0) diff --git a/scripts/dtc/flattree.c b/scripts/dtc/flattree.c index bd6977eedcb8..07f10d2b5d79 100644 --- a/scripts/dtc/flattree.c +++ b/scripts/dtc/flattree.c @@ -156,7 +156,7 @@ static void asm_emit_data(void *e, struct data d) emit_offset_label(f, m->ref, m->offset); while ((d.len - off) >= sizeof(uint32_t)) { - asm_emit_cell(e, fdt32_to_cpu(*((fdt32_t *)(d.val+off)))); + asm_emit_cell(e, dtb_ld32(d.val + off)); off += sizeof(uint32_t); } diff --git a/scripts/dtc/libfdt/fdt_rw.c b/scripts/dtc/libfdt/fdt_rw.c index 524b520c8486..93e4a2b56348 100644 --- a/scripts/dtc/libfdt/fdt_rw.c +++ b/scripts/dtc/libfdt/fdt_rw.c @@ -436,7 +436,7 @@ int fdt_open_into(const void *fdt, void *buf, int bufsize) return struct_size; } - if (can_assume(LIBFDT_ORDER) | + if (can_assume(LIBFDT_ORDER) || !fdt_blocks_misordered_(fdt, mem_rsv_size, struct_size)) { /* no further work necessary */ err = fdt_move(fdt, buf, bufsize); diff --git a/scripts/dtc/libfdt/fdt_sw.c b/scripts/dtc/libfdt/fdt_sw.c index 26759d5dfb8c..94ce4bb91a00 100644 --- a/scripts/dtc/libfdt/fdt_sw.c +++ b/scripts/dtc/libfdt/fdt_sw.c @@ -32,7 +32,7 @@ static int fdt_sw_probe_(void *fdt) /* 'memrsv' state: Initial state after fdt_create() * * Allowed functions: - * fdt_add_reservmap_entry() + * fdt_add_reservemap_entry() * fdt_finish_reservemap() [moves to 'struct' state] */ static int fdt_sw_probe_memrsv_(void *fdt) diff --git a/scripts/dtc/libfdt/libfdt.h b/scripts/dtc/libfdt/libfdt.h index 36fadcdea516..fe49b5d78938 100644 --- a/scripts/dtc/libfdt/libfdt.h +++ b/scripts/dtc/libfdt/libfdt.h @@ -9,6 +9,10 @@ #include "libfdt_env.h" #include "fdt.h" +#ifdef __cplusplus +extern "C" { +#endif + #define FDT_FIRST_SUPPORTED_VERSION 0x02 #define FDT_LAST_SUPPORTED_VERSION 0x11 @@ -2069,4 +2073,8 @@ int fdt_overlay_apply(void *fdt, void *fdto); const char *fdt_strerror(int errval); +#ifdef __cplusplus +} +#endif + #endif /* LIBFDT_H */ diff --git a/scripts/dtc/treesource.c b/scripts/dtc/treesource.c index c9d980c8abfc..061ba8c9c5e8 100644 --- a/scripts/dtc/treesource.c +++ b/scripts/dtc/treesource.c @@ -110,13 +110,13 @@ static void write_propval_int(FILE *f, const char *p, size_t len, size_t width) fprintf(f, "%02"PRIx8, *(const uint8_t*)p); break; case 2: - fprintf(f, "0x%02"PRIx16, fdt16_to_cpu(*(const fdt16_t*)p)); + fprintf(f, "0x%02"PRIx16, dtb_ld16(p)); break; case 4: - fprintf(f, "0x%02"PRIx32, fdt32_to_cpu(*(const fdt32_t*)p)); + fprintf(f, "0x%02"PRIx32, dtb_ld32(p)); break; case 8: - fprintf(f, "0x%02"PRIx64, fdt64_to_cpu(*(const fdt64_t*)p)); + fprintf(f, "0x%02"PRIx64, dtb_ld64(p)); break; } if (p + width < end) @@ -183,7 +183,7 @@ static enum markertype guess_value_type(struct property *prop) nnotcelllbl++; } - if ((p[len-1] == '\0') && (nnotstring == 0) && (nnul < (len-nnul)) + if ((p[len-1] == '\0') && (nnotstring == 0) && (nnul <= (len-nnul)) && (nnotstringlbl == 0)) { return TYPE_STRING; } else if (((len % sizeof(cell_t)) == 0) && (nnotcelllbl == 0)) { diff --git a/scripts/dtc/version_gen.h b/scripts/dtc/version_gen.h index 61dd7112d6e4..0714799446f8 100644 --- a/scripts/dtc/version_gen.h +++ b/scripts/dtc/version_gen.h @@ -1 +1 @@ -#define DTC_VERSION "DTC 1.6.0-g87a656ae" +#define DTC_VERSION "DTC 1.6.0-g9d7888cb" diff --git a/scripts/dtc/yamltree.c b/scripts/dtc/yamltree.c index 5b6ea8ea862f..4e93c12dc658 100644 --- a/scripts/dtc/yamltree.c +++ b/scripts/dtc/yamltree.c @@ -59,10 +59,10 @@ static void yaml_propval_int(yaml_emitter_t *emitter, struct marker *markers, ch sprintf(buf, "0x%"PRIx8, *(uint8_t*)(data + off)); break; case 2: - sprintf(buf, "0x%"PRIx16, fdt16_to_cpu(*(fdt16_t*)(data + off))); + sprintf(buf, "0x%"PRIx16, dtb_ld16(data + off)); break; case 4: - sprintf(buf, "0x%"PRIx32, fdt32_to_cpu(*(fdt32_t*)(data + off))); + sprintf(buf, "0x%"PRIx32, dtb_ld32(data + off)); m = markers; is_phandle = false; for_each_marker_of_type(m, REF_PHANDLE) { @@ -73,7 +73,7 @@ static void yaml_propval_int(yaml_emitter_t *emitter, struct marker *markers, ch } break; case 8: - sprintf(buf, "0x%"PRIx64, fdt64_to_cpu(*(fdt64_t*)(data + off))); + sprintf(buf, "0x%"PRIx64, dtb_ld64(data + off)); break; } diff --git a/scripts/gcc-plugins/Kconfig b/scripts/gcc-plugins/Kconfig index ce0b99fb5847..ae19fb0243b9 100644 --- a/scripts/gcc-plugins/Kconfig +++ b/scripts/gcc-plugins/Kconfig @@ -78,7 +78,7 @@ config GCC_PLUGIN_RANDSTRUCT source tree isn't cleaned after kernel installation). The seed used for compilation is located at - scripts/gcc-plgins/randomize_layout_seed.h. It remains after + scripts/gcc-plugins/randomize_layout_seed.h. It remains after a make clean to allow for external modules to be compiled with the existing seed and will be removed by a make mrproper or make distclean. diff --git a/scripts/gcc-plugins/cyc_complexity_plugin.c b/scripts/gcc-plugins/cyc_complexity_plugin.c index 1909ec617431..73124c2b3edd 100644 --- a/scripts/gcc-plugins/cyc_complexity_plugin.c +++ b/scripts/gcc-plugins/cyc_complexity_plugin.c @@ -5,7 +5,7 @@ * Homepage: * https://github.com/ephox-gcc-plugins/cyclomatic_complexity * - * http://en.wikipedia.org/wiki/Cyclomatic_complexity + * https://en.wikipedia.org/wiki/Cyclomatic_complexity * The complexity M is then defined as: * M = E - N + 2P * where diff --git a/scripts/gcc-plugins/sancov_plugin.c b/scripts/gcc-plugins/sancov_plugin.c index 0f98634c20a0..caff4a6c7e9a 100644 --- a/scripts/gcc-plugins/sancov_plugin.c +++ b/scripts/gcc-plugins/sancov_plugin.c @@ -11,7 +11,7 @@ * * You can read about it more here: * https://gcc.gnu.org/viewcvs/gcc?limit_changes=0&view=revision&revision=231296 - * http://lwn.net/Articles/674854/ + * https://lwn.net/Articles/674854/ * https://github.com/google/syzkaller * https://lwn.net/Articles/677764/ * diff --git a/scripts/gcc-plugins/stackleak_plugin.c b/scripts/gcc-plugins/stackleak_plugin.c index cc75eeba0be1..48e141e07956 100644 --- a/scripts/gcc-plugins/stackleak_plugin.c +++ b/scripts/gcc-plugins/stackleak_plugin.c @@ -20,7 +20,7 @@ * * Debugging: * - use fprintf() to stderr, debug_generic_expr(), debug_gimple_stmt(), - * print_rtl() and print_simple_rtl(); + * print_rtl_single() and debug_rtx(); * - add "-fdump-tree-all -fdump-rtl-all" to the plugin CFLAGS in * Makefile.gcc-plugins to see the verbose dumps of the gcc passes; * - use gcc -E to understand the preprocessing shenanigans; @@ -32,7 +32,10 @@ __visible int plugin_is_GPL_compatible; static int track_frame_size = -1; +static bool build_for_x86 = false; static const char track_function[] = "stackleak_track_stack"; +static bool disable = false; +static bool verbose = false; /* * Mark these global variables (roots) for gcc garbage collector since @@ -43,32 +46,32 @@ static GTY(()) tree track_function_decl; static struct plugin_info stackleak_plugin_info = { .version = "201707101337", .help = "track-min-size=nn\ttrack stack for functions with a stack frame size >= nn bytes\n" + "arch=target_arch\tspecify target build arch\n" "disable\t\tdo not activate the plugin\n" + "verbose\t\tprint info about the instrumentation\n" }; -static void stackleak_add_track_stack(gimple_stmt_iterator *gsi, bool after) +static void add_stack_tracking_gcall(gimple_stmt_iterator *gsi, bool after) { gimple stmt; - gcall *stackleak_track_stack; + gcall *gimple_call; cgraph_node_ptr node; basic_block bb; - /* Insert call to void stackleak_track_stack(void) */ + /* Insert calling stackleak_track_stack() */ stmt = gimple_build_call(track_function_decl, 0); - stackleak_track_stack = as_a_gcall(stmt); - if (after) { - gsi_insert_after(gsi, stackleak_track_stack, - GSI_CONTINUE_LINKING); - } else { - gsi_insert_before(gsi, stackleak_track_stack, GSI_SAME_STMT); - } + gimple_call = as_a_gcall(stmt); + if (after) + gsi_insert_after(gsi, gimple_call, GSI_CONTINUE_LINKING); + else + gsi_insert_before(gsi, gimple_call, GSI_SAME_STMT); /* Update the cgraph */ - bb = gimple_bb(stackleak_track_stack); + bb = gimple_bb(gimple_call); node = cgraph_get_create_node(track_function_decl); gcc_assert(node); cgraph_create_edge(cgraph_get_node(current_function_decl), node, - stackleak_track_stack, bb->count, + gimple_call, bb->count, compute_call_stmt_bb_frequency(current_function_decl, bb)); } @@ -85,6 +88,83 @@ static bool is_alloca(gimple stmt) return false; } +static tree get_current_stack_pointer_decl(void) +{ + varpool_node_ptr node; + + FOR_EACH_VARIABLE(node) { + tree var = NODE_DECL(node); + tree name = DECL_NAME(var); + + if (DECL_NAME_LENGTH(var) != sizeof("current_stack_pointer") - 1) + continue; + + if (strcmp(IDENTIFIER_POINTER(name), "current_stack_pointer")) + continue; + + return var; + } + + if (verbose) { + fprintf(stderr, "stackleak: missing current_stack_pointer in %s()\n", + DECL_NAME_POINTER(current_function_decl)); + } + return NULL_TREE; +} + +static void add_stack_tracking_gasm(gimple_stmt_iterator *gsi, bool after) +{ + gasm *asm_call = NULL; + tree sp_decl, input; + vec<tree, va_gc> *inputs = NULL; + + /* 'no_caller_saved_registers' is currently supported only for x86 */ + gcc_assert(build_for_x86); + + /* + * Insert calling stackleak_track_stack() in asm: + * asm volatile("call stackleak_track_stack" + * :: "r" (current_stack_pointer)) + * Use ASM_CALL_CONSTRAINT trick from arch/x86/include/asm/asm.h. + * This constraint is taken into account during gcc shrink-wrapping + * optimization. It is needed to be sure that stackleak_track_stack() + * call is inserted after the prologue of the containing function, + * when the stack frame is prepared. + */ + sp_decl = get_current_stack_pointer_decl(); + if (sp_decl == NULL_TREE) { + add_stack_tracking_gcall(gsi, after); + return; + } + input = build_tree_list(NULL_TREE, build_const_char_string(2, "r")); + input = chainon(NULL_TREE, build_tree_list(input, sp_decl)); + vec_safe_push(inputs, input); + asm_call = gimple_build_asm_vec("call stackleak_track_stack", + inputs, NULL, NULL, NULL); + gimple_asm_set_volatile(asm_call, true); + if (after) + gsi_insert_after(gsi, asm_call, GSI_CONTINUE_LINKING); + else + gsi_insert_before(gsi, asm_call, GSI_SAME_STMT); + update_stmt(asm_call); +} + +static void add_stack_tracking(gimple_stmt_iterator *gsi, bool after) +{ + /* + * The 'no_caller_saved_registers' attribute is used for + * stackleak_track_stack(). If the compiler supports this attribute for + * the target arch, we can add calling stackleak_track_stack() in asm. + * That improves performance: we avoid useless operations with the + * caller-saved registers in the functions from which we will remove + * stackleak_track_stack() call during the stackleak_cleanup pass. + */ + if (lookup_attribute_spec(get_identifier("no_caller_saved_registers"))) + add_stack_tracking_gasm(gsi, after); + else + add_stack_tracking_gcall(gsi, after); +} + /* * Work with the GIMPLE representation of the code. Insert the * stackleak_track_stack() call after alloca() and into the beginning @@ -94,7 +174,7 @@ static unsigned int stackleak_instrument_execute(void) { basic_block bb, entry_bb; bool prologue_instrumented = false, is_leaf = true; - gimple_stmt_iterator gsi; + gimple_stmt_iterator gsi = { 0 }; /* * ENTRY_BLOCK_PTR is a basic block which represents possible entry @@ -122,8 +202,13 @@ static unsigned int stackleak_instrument_execute(void) if (!is_alloca(stmt)) continue; + if (verbose) { + fprintf(stderr, "stackleak: be careful, alloca() in %s()\n", + DECL_NAME_POINTER(current_function_decl)); + } + /* Insert stackleak_track_stack() call after alloca() */ - stackleak_add_track_stack(&gsi, true); + add_stack_tracking(&gsi, true); if (bb == entry_bb) prologue_instrumented = true; } @@ -168,7 +253,7 @@ static unsigned int stackleak_instrument_execute(void) bb = single_succ(ENTRY_BLOCK_PTR_FOR_FN(cfun)); } gsi = gsi_after_labels(bb); - stackleak_add_track_stack(&gsi, false); + add_stack_tracking(&gsi, false); return 0; } @@ -182,21 +267,10 @@ static bool large_stack_frame(void) #endif } -/* - * Work with the RTL representation of the code. - * Remove the unneeded stackleak_track_stack() calls from the functions - * which don't call alloca() and don't have a large enough stack frame size. - */ -static unsigned int stackleak_cleanup_execute(void) +static void remove_stack_tracking_gcall(void) { rtx_insn *insn, *next; - if (cfun->calls_alloca) - return 0; - - if (large_stack_frame()) - return 0; - /* * Find stackleak_track_stack() calls. Loop through the chain of insns, * which is an RTL representation of the code for a function. @@ -257,6 +331,102 @@ static unsigned int stackleak_cleanup_execute(void) } #endif } +} + +static bool remove_stack_tracking_gasm(void) +{ + bool removed = false; + rtx_insn *insn, *next; + + /* 'no_caller_saved_registers' is currently supported only for x86 */ + gcc_assert(build_for_x86); + + /* + * Find stackleak_track_stack() asm calls. Loop through the chain of + * insns, which is an RTL representation of the code for a function. + * + * The example of a matching insn: + * (insn 11 5 12 2 (parallel [ (asm_operands/v + * ("call stackleak_track_stack") ("") 0 + * [ (reg/v:DI 7 sp [ current_stack_pointer ]) ] + * [ (asm_input:DI ("r")) ] []) + * (clobber (reg:CC 17 flags)) ]) -1 (nil)) + */ + for (insn = get_insns(); insn; insn = next) { + rtx body; + + next = NEXT_INSN(insn); + + /* Check the expression code of the insn */ + if (!NONJUMP_INSN_P(insn)) + continue; + + /* + * Check the expression code of the insn body, which is an RTL + * Expression (RTX) describing the side effect performed by + * that insn. + */ + body = PATTERN(insn); + + if (GET_CODE(body) != PARALLEL) + continue; + + body = XVECEXP(body, 0, 0); + + if (GET_CODE(body) != ASM_OPERANDS) + continue; + + if (strcmp(ASM_OPERANDS_TEMPLATE(body), + "call stackleak_track_stack")) { + continue; + } + + delete_insn_and_edges(insn); + gcc_assert(!removed); + removed = true; + } + + return removed; +} + +/* + * Work with the RTL representation of the code. + * Remove the unneeded stackleak_track_stack() calls from the functions + * which don't call alloca() and don't have a large enough stack frame size. + */ +static unsigned int stackleak_cleanup_execute(void) +{ + const char *fn = DECL_NAME_POINTER(current_function_decl); + bool removed = false; + + /* + * Leave stack tracking in functions that call alloca(). + * Additional case: + * gcc before version 7 called allocate_dynamic_stack_space() from + * expand_stack_vars() for runtime alignment of constant-sized stack + * variables. That caused cfun->calls_alloca to be set for functions + * that in fact don't use alloca(). + * For more info see gcc commit 7072df0aae0c59ae437e. + * Let's leave such functions instrumented as well. + */ + if (cfun->calls_alloca) { + if (verbose) + fprintf(stderr, "stackleak: instrument %s(): calls_alloca\n", fn); + return 0; + } + + /* Leave stack tracking in functions with large stack frame */ + if (large_stack_frame()) { + if (verbose) + fprintf(stderr, "stackleak: instrument %s()\n", fn); + return 0; + } + + if (lookup_attribute_spec(get_identifier("no_caller_saved_registers"))) + removed = remove_stack_tracking_gasm(); + + if (!removed) + remove_stack_tracking_gcall(); return 0; } @@ -376,9 +546,6 @@ __visible int plugin_init(struct plugin_name_args *plugin_info, /* Parse the plugin arguments */ for (i = 0; i < argc; i++) { - if (!strcmp(argv[i].key, "disable")) - return 0; - if (!strcmp(argv[i].key, "track-min-size")) { if (!argv[i].value) { error(G_("no value supplied for option '-fplugin-arg-%s-%s'"), @@ -392,6 +559,19 @@ __visible int plugin_init(struct plugin_name_args *plugin_info, plugin_name, argv[i].key, argv[i].value); return 1; } + } else if (!strcmp(argv[i].key, "arch")) { + if (!argv[i].value) { + error(G_("no value supplied for option '-fplugin-arg-%s-%s'"), + plugin_name, argv[i].key); + return 1; + } + + if (!strcmp(argv[i].value, "x86")) + build_for_x86 = true; + } else if (!strcmp(argv[i].key, "disable")) { + disable = true; + } else if (!strcmp(argv[i].key, "verbose")) { + verbose = true; } else { error(G_("unknown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key); @@ -399,6 +579,12 @@ __visible int plugin_init(struct plugin_name_args *plugin_info, } } + if (disable) { + if (verbose) + fprintf(stderr, "stackleak: disabled for this translation unit\n"); + return 0; + } + /* Give the information about the plugin */ register_callback(plugin_name, PLUGIN_INFO, NULL, &stackleak_plugin_info); diff --git a/scripts/gcc-plugins/structleak_plugin.c b/scripts/gcc-plugins/structleak_plugin.c index e89be8f5c859..b9ef2e162107 100644 --- a/scripts/gcc-plugins/structleak_plugin.c +++ b/scripts/gcc-plugins/structleak_plugin.c @@ -11,7 +11,7 @@ * otherwise leak kernel stack to userland if they aren't properly initialized * by later code * - * Homepage: http://pax.grsecurity.net/ + * Homepage: https://pax.grsecurity.net/ * * Options: * -fplugin-arg-structleak_plugin-disable diff --git a/scripts/gdb/linux/genpd.py b/scripts/gdb/linux/genpd.py index 6ca93bd2949e..39cd1abd8559 100644 --- a/scripts/gdb/linux/genpd.py +++ b/scripts/gdb/linux/genpd.py @@ -49,17 +49,17 @@ Output is similar to /sys/kernel/debug/pm_genpd/pm_genpd_summary''' else: status_string = 'off-{}'.format(genpd['state_idx']) - slave_names = [] + child_names = [] for link in list_for_each_entry( - genpd['master_links'], + genpd['parent_links'], device_link_type.get_type().pointer(), - 'master_node'): - slave_names.apend(link['slave']['name']) + 'parent_node'): + child_names.append(link['child']['name']) gdb.write('%-30s %-15s %s\n' % ( genpd['name'].string(), status_string, - ', '.join(slave_names))) + ', '.join(child_names))) # Print devices in domain for pm_data in list_for_each_entry(genpd['dev_list'], @@ -70,7 +70,7 @@ Output is similar to /sys/kernel/debug/pm_genpd/pm_genpd_summary''' gdb.write(' %-50s %s\n' % (kobj_path, rtpm_status_str(dev))) def invoke(self, arg, from_tty): - gdb.write('domain status slaves\n'); + gdb.write('domain status children\n'); gdb.write(' /device runtime status\n'); gdb.write('----------------------------------------------------------------------\n'); for genpd in list_for_each_entry( diff --git a/scripts/gdb/linux/symbols.py b/scripts/gdb/linux/symbols.py index be984aa29b75..1be9763cf8bb 100644 --- a/scripts/gdb/linux/symbols.py +++ b/scripts/gdb/linux/symbols.py @@ -96,7 +96,7 @@ lx-symbols command.""" return "" attrs = sect_attrs['attrs'] section_name_to_address = { - attrs[n]['name'].string(): attrs[n]['address'] + attrs[n]['battr']['attr']['name'].string(): attrs[n]['address'] for n in range(int(sect_attrs['nsections']))} args = [] for section_name in [".data", ".data..read_mostly", ".rodata", ".bss", diff --git a/scripts/kconfig/.gitignore b/scripts/kconfig/.gitignore index 12a67fdab541..c3d537cd0275 100644 --- a/scripts/kconfig/.gitignore +++ b/scripts/kconfig/.gitignore @@ -1,5 +1,5 @@ # SPDX-License-Identifier: GPL-2.0-only -*.moc +/qconf-moc.cc *conf-cfg # diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile index 426881ea954f..52b59bf9efe4 100644 --- a/scripts/kconfig/Makefile +++ b/scripts/kconfig/Makefile @@ -181,19 +181,22 @@ $(addprefix $(obj)/, mconf.o $(lxdialog)): $(obj)/mconf-cfg # qconf: Used for the xconfig target based on Qt hostprogs += qconf -qconf-cxxobjs := qconf.o +qconf-cxxobjs := qconf.o qconf-moc.o qconf-objs := images.o $(common-objs) HOSTLDLIBS_qconf = $(shell . $(obj)/qconf-cfg && echo $$libs) HOSTCXXFLAGS_qconf.o = $(shell . $(obj)/qconf-cfg && echo $$cflags) +HOSTCXXFLAGS_qconf-moc.o = $(shell . $(obj)/qconf-cfg && echo $$cflags) -$(obj)/qconf.o: $(obj)/qconf-cfg $(obj)/qconf.moc +$(obj)/qconf.o: $(obj)/qconf-cfg quiet_cmd_moc = MOC $@ - cmd_moc = $(shell . $(obj)/qconf-cfg && echo $$moc) -i $< -o $@ + cmd_moc = $(shell . $(obj)/qconf-cfg && echo $$moc) $< -o $@ -$(obj)/%.moc: $(src)/%.h $(obj)/qconf-cfg - $(call cmd,moc) +$(obj)/qconf-moc.cc: $(src)/qconf.h $(obj)/qconf-cfg FORCE + $(call if_changed,moc) + +targets += qconf-moc.cc # gconf: Used for the gconfig target based on GTK+ hostprogs += gconf diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc index c0ac8f7b5f1a..23d1cb01a41a 100644 --- a/scripts/kconfig/qconf.cc +++ b/scripts/kconfig/qconf.cc @@ -4,34 +4,25 @@ * Copyright (C) 2015 Boris Barbulovski <bbarbulovski@gmail.com> */ -#include <qglobal.h> - -#include <QMainWindow> -#include <QList> -#include <qtextbrowser.h> #include <QAction> +#include <QApplication> +#include <QCloseEvent> +#include <QDebug> +#include <QDesktopWidget> #include <QFileDialog> +#include <QLabel> +#include <QLayout> +#include <QList> #include <QMenu> - -#include <qapplication.h> -#include <qdesktopwidget.h> -#include <qtoolbar.h> -#include <qlayout.h> -#include <qsplitter.h> -#include <qlineedit.h> -#include <qlabel.h> -#include <qpushbutton.h> -#include <qmenubar.h> -#include <qmessagebox.h> -#include <qregexp.h> -#include <qevent.h> +#include <QMenuBar> +#include <QMessageBox> +#include <QToolBar> #include <stdlib.h> #include "lkc.h" #include "qconf.h" -#include "qconf.moc" #include "images.h" @@ -316,10 +307,7 @@ ConfigList::ConfigList(ConfigView* p, const char *name) setVerticalScrollMode(ScrollPerPixel); setHorizontalScrollMode(ScrollPerPixel); - if (mode == symbolMode) - setHeaderLabels(QStringList() << "Item" << "Name" << "N" << "M" << "Y" << "Value"); - else - setHeaderLabels(QStringList() << "Option" << "Name" << "N" << "M" << "Y" << "Value"); + setHeaderLabels(QStringList() << "Option" << "Name" << "N" << "M" << "Y" << "Value"); connect(this, SIGNAL(itemSelectionChanged(void)), SLOT(updateSelection(void))); @@ -400,11 +388,6 @@ void ConfigList::updateSelection(void) struct menu *menu; enum prop_type type; - if (mode == symbolMode) - setHeaderLabels(QStringList() << "Item" << "Name" << "N" << "M" << "Y" << "Value"); - else - setHeaderLabels(QStringList() << "Option" << "Name" << "N" << "M" << "Y" << "Value"); - if (selectedItems().count() == 0) return; @@ -451,7 +434,7 @@ void ConfigList::updateList(ConfigItem* item) } if ((mode == singleMode || (mode == symbolMode && !(rootEntry->flags & MENU_ROOT))) && rootEntry->sym && rootEntry->prompt) { - item = last ? last->nextSibling() : firstChild(); + item = last ? last->nextSibling() : nullptr; if (!item) item = new ConfigItem(this, last, rootEntry, true); else @@ -545,7 +528,7 @@ void ConfigList::setRootMenu(struct menu *menu) rootEntry = menu; updateListAll(); if (currentItem()) { - currentItem()->setSelected(hasFocus()); + setSelected(currentItem(), hasFocus()); scrollToItem(currentItem()); } } @@ -873,7 +856,7 @@ void ConfigList::focusInEvent(QFocusEvent *e) ConfigItem* item = (ConfigItem *)currentItem(); if (item) { - item->setSelected(true); + setSelected(item, true); menu = item->menu; } emit gotFocus(menu); @@ -1021,7 +1004,7 @@ ConfigInfoView::ConfigInfoView(QWidget* parent, const char *name) : Parent(parent), sym(0), _menu(0) { setObjectName(name); - + setOpenLinks(false); if (!objectName().isEmpty()) { configSettings->beginGroup(objectName()); @@ -1094,7 +1077,7 @@ void ConfigInfoView::menuInfo(void) if (sym->name) { head += " ("; if (showDebug()) - head += QString().sprintf("<a href=\"s%p\">", sym); + head += QString().sprintf("<a href=\"s%s\">", sym->name); head += print_filter(sym->name); if (showDebug()) head += "</a>"; @@ -1103,7 +1086,7 @@ void ConfigInfoView::menuInfo(void) } else if (sym->name) { head += "<big><b>"; if (showDebug()) - head += QString().sprintf("<a href=\"s%p\">", sym); + head += QString().sprintf("<a href=\"s%s\">", sym->name); head += print_filter(sym->name); if (showDebug()) head += "</a>"; @@ -1154,13 +1137,16 @@ QString ConfigInfoView::debug_info(struct symbol *sym) switch (prop->type) { case P_PROMPT: case P_MENU: - debug += QString().sprintf("prompt: <a href=\"m%p\">", prop->menu); + debug += QString().sprintf("prompt: <a href=\"m%s\">", sym->name); debug += print_filter(prop->text); debug += "</a><br>"; break; case P_DEFAULT: case P_SELECT: case P_RANGE: + case P_COMMENT: + case P_IMPLY: + case P_SYMBOL: debug += prop_get_type_name(prop->type); debug += ": "; expr_print(prop->expr, expr_print_help, &debug, E_NONE); @@ -1226,13 +1212,62 @@ void ConfigInfoView::expr_print_help(void *data, struct symbol *sym, const char QString str2 = print_filter(str); if (sym && sym->name && !(sym->flags & SYMBOL_CONST)) { - *text += QString().sprintf("<a href=\"s%p\">", sym); + *text += QString().sprintf("<a href=\"s%s\">", sym->name); *text += str2; *text += "</a>"; } else *text += str2; } +void ConfigInfoView::clicked(const QUrl &url) +{ + QByteArray str = url.toEncoded(); + const std::size_t count = str.size(); + char *data = new char[count + 1]; + struct symbol **result; + struct menu *m = NULL; + + if (count < 1) { + qInfo() << "Clicked link is empty"; + delete[] data; + return; + } + + memcpy(data, str.constData(), count); + data[count] = '\0'; + + /* Seek for exact match */ + data[0] = '^'; + strcat(data, "$"); + result = sym_re_search(data); + if (!result) { + qInfo() << "Clicked symbol is invalid:" << data; + delete[] data; + return; + } + + sym = *result; + + /* Seek for the menu which holds the symbol */ + for (struct property *prop = sym->prop; prop; prop = prop->next) { + if (prop->type != P_PROMPT && prop->type != P_MENU) + continue; + m = prop->menu; + break; + } + + if (!m) { + /* Symbol is not visible as a menu */ + symbolInfo(); + emit showDebugChanged(true); + } else { + emit menuSelected(m); + } + + free(result); + delete data; +} + QMenu* ConfigInfoView::createStandardContextMenu(const QPoint & pos) { QMenu* popup = Parent::createStandardContextMenu(pos); @@ -1402,18 +1437,22 @@ ConfigMainWindow::ConfigMainWindow(void) addToolBar(toolBar); backAction = new QAction(QPixmap(xpm_back), "Back", this); - connect(backAction, SIGNAL(triggered(bool)), SLOT(goBack())); - backAction->setEnabled(false); + connect(backAction, SIGNAL(triggered(bool)), SLOT(goBack())); + QAction *quitAction = new QAction("&Quit", this); quitAction->setShortcut(Qt::CTRL + Qt::Key_Q); - connect(quitAction, SIGNAL(triggered(bool)), SLOT(close())); + connect(quitAction, SIGNAL(triggered(bool)), SLOT(close())); + QAction *loadAction = new QAction(QPixmap(xpm_load), "&Load", this); loadAction->setShortcut(Qt::CTRL + Qt::Key_L); - connect(loadAction, SIGNAL(triggered(bool)), SLOT(loadConfig())); + connect(loadAction, SIGNAL(triggered(bool)), SLOT(loadConfig())); + saveAction = new QAction(QPixmap(xpm_save), "&Save", this); saveAction->setShortcut(Qt::CTRL + Qt::Key_S); - connect(saveAction, SIGNAL(triggered(bool)), SLOT(saveConfig())); + connect(saveAction, SIGNAL(triggered(bool)), SLOT(saveConfig())); + conf_set_changed_callback(conf_changed); + // Set saveAction's initial state conf_changed(); configname = xstrdup(conf_get_configname()); @@ -1506,6 +1545,9 @@ ConfigMainWindow::ConfigMainWindow(void) helpMenu->addAction(showIntroAction); helpMenu->addAction(showAboutAction); + connect (helpText, SIGNAL (anchorClicked (const QUrl &)), + helpText, SLOT (clicked (const QUrl &)) ); + connect(configList, SIGNAL(menuChanged(struct menu *)), helpText, SLOT(setInfo(struct menu *))); connect(configList, SIGNAL(menuSelected(struct menu *)), @@ -1611,21 +1653,11 @@ void ConfigMainWindow::searchConfig(void) void ConfigMainWindow::changeItens(struct menu *menu) { configList->setRootMenu(menu); - - if (configList->rootEntry->parent == &rootmenu) - backAction->setEnabled(false); - else - backAction->setEnabled(true); } void ConfigMainWindow::changeMenu(struct menu *menu) { menuList->setRootMenu(menu); - - if (menuList->rootEntry->parent == &rootmenu) - backAction->setEnabled(false); - else - backAction->setEnabled(true); } void ConfigMainWindow::setMenuLink(struct menu *menu) @@ -1645,22 +1677,26 @@ void ConfigMainWindow::setMenuLink(struct menu *menu) return; list->setRootMenu(parent); break; - case symbolMode: + case menuMode: if (menu->flags & MENU_ROOT) { - configList->setRootMenu(menu); + menuList->setRootMenu(menu); configList->clearSelection(); - list = menuList; - } else { list = configList; + } else { parent = menu_get_parent_menu(menu->parent); if (!parent) return; - item = menuList->findConfigItem(parent); + + /* Select the config view */ + item = configList->findConfigItem(parent); if (item) { - item->setSelected(true); - menuList->scrollToItem(item); + configList->setSelected(item, true); + configList->scrollToItem(item); } - list->setRootMenu(parent); + + menuList->setRootMenu(parent); + menuList->clearSelection(); + list = menuList; } break; case fullMode: @@ -1673,9 +1709,10 @@ void ConfigMainWindow::setMenuLink(struct menu *menu) if (list) { item = list->findConfigItem(menu); if (item) { - item->setSelected(true); + list->setSelected(item, true); list->scrollToItem(item); list->setFocus(); + helpText->setInfo(menu); } } } @@ -1688,25 +1725,10 @@ void ConfigMainWindow::listFocusChanged(void) void ConfigMainWindow::goBack(void) { - ConfigItem* item, *oldSelection; - - configList->setParentMenu(); if (configList->rootEntry == &rootmenu) - backAction->setEnabled(false); - - if (menuList->selectedItems().count() == 0) return; - item = (ConfigItem*)menuList->selectedItems().first(); - oldSelection = item; - while (item) { - if (item->menu == configList->rootEntry) { - oldSelection->setSelected(false); - item->setSelected(true); - break; - } - item = (ConfigItem*)item->parent(); - } + configList->setParentMenu(); } void ConfigMainWindow::showSingleView(void) @@ -1718,6 +1740,8 @@ void ConfigMainWindow::showSingleView(void) fullViewAction->setEnabled(true); fullViewAction->setChecked(false); + backAction->setEnabled(true); + menuView->hide(); menuList->setRootMenu(0); configList->mode = singleMode; @@ -1737,6 +1761,8 @@ void ConfigMainWindow::showSplitView(void) fullViewAction->setEnabled(true); fullViewAction->setChecked(false); + backAction->setEnabled(false); + configList->mode = menuMode; if (configList->rootEntry == &rootmenu) configList->updateListAll(); @@ -1760,6 +1786,8 @@ void ConfigMainWindow::showFullView(void) fullViewAction->setEnabled(false); fullViewAction->setChecked(true); + backAction->setEnabled(false); + menuView->hide(); menuList->setRootMenu(0); configList->mode = fullMode; diff --git a/scripts/kconfig/qconf.h b/scripts/kconfig/qconf.h index c879d79ce817..5eeab4a8bb43 100644 --- a/scripts/kconfig/qconf.h +++ b/scripts/kconfig/qconf.h @@ -3,17 +3,17 @@ * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org> */ -#include <QTextBrowser> -#include <QTreeWidget> -#include <QMainWindow> +#include <QCheckBox> +#include <QDialog> #include <QHeaderView> -#include <qsettings.h> +#include <QLineEdit> +#include <QMainWindow> #include <QPushButton> #include <QSettings> -#include <QLineEdit> #include <QSplitter> -#include <QCheckBox> -#include <QDialog> +#include <QTextBrowser> +#include <QTreeWidget> + #include "expr.h" class ConfigView; @@ -45,11 +45,17 @@ class ConfigList : public QTreeWidget { public: ConfigList(ConfigView* p, const char *name = 0); void reinit(void); + ConfigItem* findConfigItem(struct menu *); ConfigView* parent(void) const { return (ConfigView*)Parent::parent(); } - ConfigItem* findConfigItem(struct menu *); + void setSelected(QTreeWidgetItem *item, bool enable) { + for (int i = 0; i < selectedItems().size(); i++) + selectedItems().at(i)->setSelected(false); + + item->setSelected(enable); + } protected: void keyPressEvent(QKeyEvent *e); @@ -86,10 +92,6 @@ public: { return this; } - ConfigItem* firstChild() const - { - return (ConfigItem *)children().first(); - } void addColumn(colIdx idx) { showColumn(idx); @@ -250,6 +252,7 @@ public slots: void setInfo(struct menu *menu); void saveSettings(void); void setShowDebug(bool); + void clicked (const QUrl &url); signals: void showDebugChanged(bool); diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 6aea65c65745..69341b36f271 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -138,11 +138,20 @@ char *read_text_file(const char *filename) char *get_line(char **stringp) { + char *orig = *stringp, *next; + /* do not return the unwanted extra line at EOF */ - if (*stringp && **stringp == '\0') + if (!orig || *orig == '\0') return NULL; - return strsep(stringp, "\n"); + /* don't use strsep here, it is not available everywhere */ + next = strchr(orig, '\n'); + if (next) + *next++ = '\0'; + + *stringp = next; + + return orig; } /* A list of all modules we processed */ diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c index 7225107a9aaf..e59022b3f125 100644 --- a/scripts/recordmcount.c +++ b/scripts/recordmcount.c @@ -434,6 +434,11 @@ static int arm_is_fake_mcount(Elf32_Rel const *rp) return 1; } +static int arm64_is_fake_mcount(Elf64_Rel const *rp) +{ + return ELF64_R_TYPE(w(rp->r_info)) != R_AARCH64_CALL26; +} + /* 64-bit EM_MIPS has weird ELF64_Rela.r_info. * http://techpubs.sgi.com/library/manuals/4000/007-4658-001/pdf/007-4658-001.pdf * We interpret Table 29 Relocation Operation (Elf64_Rel, Elf64_Rela) [p.40] @@ -547,6 +552,7 @@ static int do_file(char const *const fname) make_nop = make_nop_arm64; rel_type_nop = R_AARCH64_NONE; ideal_nop = ideal_nop4_arm64; + is_fake_mcount64 = arm64_is_fake_mcount; break; case EM_IA_64: reltype = R_IA64_IMM64; break; case EM_MIPS: /* reltype: e_class */ break; diff --git a/scripts/selinux/mdp/mdp.c b/scripts/selinux/mdp/mdp.c index 576d11a60417..6ceb88eb9b59 100644 --- a/scripts/selinux/mdp/mdp.c +++ b/scripts/selinux/mdp/mdp.c @@ -67,8 +67,14 @@ int main(int argc, char *argv[]) initial_sid_to_string_len = sizeof(initial_sid_to_string) / sizeof (char *); /* print out the sids */ - for (i = 1; i < initial_sid_to_string_len; i++) - fprintf(fout, "sid %s\n", initial_sid_to_string[i]); + for (i = 1; i < initial_sid_to_string_len; i++) { + const char *name = initial_sid_to_string[i]; + + if (name) + fprintf(fout, "sid %s\n", name); + else + fprintf(fout, "sid unused%d\n", i); + } fprintf(fout, "\n"); /* print out the class permissions */ @@ -126,9 +132,16 @@ int main(int argc, char *argv[]) #define OBJUSERROLETYPE "user_u:object_r:base_t" /* default sids */ - for (i = 1; i < initial_sid_to_string_len; i++) - fprintf(fout, "sid %s " SUBJUSERROLETYPE "%s\n", - initial_sid_to_string[i], mls ? ":" SYSTEMLOW : ""); + for (i = 1; i < initial_sid_to_string_len; i++) { + const char *name = initial_sid_to_string[i]; + + if (name) + fprintf(fout, "sid %s ", name); + else + fprintf(fout, "sid unused%d\n", i); + fprintf(fout, SUBJUSERROLETYPE "%s\n", + mls ? ":" SYSTEMLOW : ""); + } fprintf(fout, "\n"); #define FS_USE(behavior, fstype) \ diff --git a/scripts/sorttable.c b/scripts/sorttable.c index ec6b5e81eba1..0ef3abfc4a51 100644 --- a/scripts/sorttable.c +++ b/scripts/sorttable.c @@ -255,6 +255,45 @@ static void x86_sort_relative_table(char *extab_image, int image_size) } } +static void s390_sort_relative_table(char *extab_image, int image_size) +{ + int i; + + for (i = 0; i < image_size; i += 16) { + char *loc = extab_image + i; + uint64_t handler; + + w(r((uint32_t *)loc) + i, (uint32_t *)loc); + w(r((uint32_t *)(loc + 4)) + (i + 4), (uint32_t *)(loc + 4)); + /* + * 0 is a special self-relative handler value, which means that + * handler should be ignored. It is safe, because it means that + * handler field points to itself, which should never happen. + * When creating extable-relative values, keep it as 0, since + * this should never occur either: it would mean that handler + * field points to the first extable entry. + */ + handler = r8((uint64_t *)(loc + 8)); + if (handler) + handler += i + 8; + w8(handler, (uint64_t *)(loc + 8)); + } + + qsort(extab_image, image_size / 16, 16, compare_relative_table); + + for (i = 0; i < image_size; i += 16) { + char *loc = extab_image + i; + uint64_t handler; + + w(r((uint32_t *)loc) - i, (uint32_t *)loc); + w(r((uint32_t *)(loc + 4)) - (i + 4), (uint32_t *)(loc + 4)); + handler = r8((uint64_t *)(loc + 8)); + if (handler) + handler -= i + 8; + w8(handler, (uint64_t *)(loc + 8)); + } +} + static int do_file(char const *const fname, void *addr) { int rc = -1; @@ -297,6 +336,8 @@ static int do_file(char const *const fname, void *addr) custom_sort = x86_sort_relative_table; break; case EM_S390: + custom_sort = s390_sort_relative_table; + break; case EM_AARCH64: case EM_PARISC: case EM_PPC: |