treewide: refresh kmalloc_obj() conversionsgrafted

This is another run of the Coccinelle script for converting kmalloc()
family of allocations to kmalloc_obj() via the existing rules in
scripts/coccinelle/api/kmalloc_objs.cocci

This catches both the set of kmalloc() uses added since the first
kmalloc_obj() conversions in v7.0 and adds a large group missed in the
first pass due to Coccinelle not interacting well with the cleanup.h
scoped_...() family of macros[1]. I worked around this with spatch's
"--macro-file" argument to a file with all the scoped_...() macros mapped
to Coccinelle's YACFE_ITERATOR[2] as that was the closest viable control
flow indicator I could find.

Build tested allmodconfig on x86, arm64, arm, loongarch, mips, powerpc,
riscv, and s390 with no new warnings.

Link: https://lore.kernel.org/lkml/202609021314.8A9C0B8@keescook/ [1]
Link: https://github.com/coccinelle/coccinelle/blob/master/standard.h [2]
Signed-off-by: Kees Cook <kees+treewide@kernel.org>

1 files changed, 589 insertions, 0 deletions

diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h
new file mode 100644
index 000000000..fa08d09b8
--- /dev/null
+++ b/tools/perf/util/annotate.h
@@ -0,0 +1,589 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __PERF_ANNOTATE_H
+#define __PERF_ANNOTATE_H
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <linux/types.h>
+#include <linux/list.h>
+#include <linux/rbtree.h>
+#include <asm/bug.h>
+#include "symbol_conf.h"
+#include "mutex.h"
+#include "spark.h"
+#include "hashmap.h"
+#include "disasm.h"
+#include "branch.h"
+#include "evsel.h"
+
+struct hist_browser_timer;
+struct hist_entry;
+struct map;
+struct map_symbol;
+struct addr_map_symbol;
+struct option;
+struct perf_sample;
+struct symbol;
+struct annotated_data_type;
+
+#define ANNOTATION__IPC_WIDTH 6
+#define ANNOTATION__CYCLES_WIDTH 6
+#define ANNOTATION__MINMAX_CYCLES_WIDTH 19
+#define ANNOTATION__AVG_IPC_WIDTH 36
+#define ANNOTATION__BR_CNTR_WIDTH 30
+#define ANNOTATION_DUMMY_LEN	256
+
+enum perf_disassembler {
+	PERF_DISASM_UNKNOWN = 0,
+	PERF_DISASM_LLVM,
+	PERF_DISASM_CAPSTONE,
+	PERF_DISASM_OBJDUMP,
+};
+#define MAX_DISASSEMBLERS (PERF_DISASM_OBJDUMP + 1)
+
+struct annotation_options {
+	bool hide_src_code,
+	     hide_src_code_on_title,
+	     use_offset,
+	     jump_arrows,
+	     print_lines,
+	     full_path,
+	     show_linenr,
+	     show_fileloc,
+	     show_nr_jumps,
+	     show_minmax_cycle,
+	     show_asm_raw,
+	     show_br_cntr,
+	     annotate_src,
+	     code_with_type,
+	     full_addr;
+	u8   offset_level;
+	u8   disassemblers[MAX_DISASSEMBLERS];
+	u8   disassembler_used;
+	int  min_pcnt;
+	int  max_lines;
+	int  context;
+	char *objdump_path;
+	char *disassembler_style;
+	const char *prefix;
+	const char *prefix_strip;
+	unsigned int percent_type;
+};
+
+extern struct annotation_options annotate_opts;
+
+enum {
+	ANNOTATION__OFFSET_JUMP_TARGETS = 1,
+	ANNOTATION__OFFSET_CALL,
+	ANNOTATION__MAX_OFFSET_LEVEL,
+};
+
+#define ANNOTATION__MIN_OFFSET_LEVEL ANNOTATION__OFFSET_JUMP_TARGETS
+
+struct annotation;
+
+struct sym_hist_entry {
+	u64		nr_samples;
+	u64		period;
+};
+
+enum {
+	PERCENT_HITS_LOCAL,
+	PERCENT_HITS_GLOBAL,
+	PERCENT_PERIOD_LOCAL,
+	PERCENT_PERIOD_GLOBAL,
+	PERCENT_MAX,
+};
+
+struct annotation_data {
+	double			 percent[PERCENT_MAX];
+	double			 percent_sum;
+	struct sym_hist_entry	 he;
+};
+
+struct cycles_info {
+	float			 ipc;
+	u64			 avg;
+	u64			 max;
+	u64			 min;
+};
+
+struct annotation_line {
+	struct list_head	 node;
+	struct rb_node		 rb_node;
+	s64			 offset;
+	char			*line;
+	int			 line_nr;
+	char			*fileloc;
+	char			*path;
+	struct cycles_info	*cycles;
+	int			 num_aggr;
+	int			 br_cntr_nr;
+	u64			*br_cntr;
+	struct evsel		*evsel;
+	int			 jump_sources;
+	u32			 idx;
+	int			 idx_asm;
+	int			 data_nr;
+	struct annotation_data	 data[];
+};
+
+struct disasm_line {
+	struct ins		 ins;
+	struct ins_operands	 ops;
+	union {
+		u8 bytes[4];
+		u32 raw_insn;
+	} raw;
+	/* This needs to be at the end. */
+	struct annotation_line	 al;
+};
+
+extern const char * const perf_disassembler__strs[];
+
+void annotation_line__add(struct annotation_line *al, struct list_head *head);
+
+static inline double annotation_data__percent(struct annotation_data *data,
+					      unsigned int which)
+{
+	return which < PERCENT_MAX ? data->percent[which] : -1;
+}
+
+static inline const char *percent_type_str(unsigned int type)
+{
+	static const char *str[PERCENT_MAX] = {
+		"local hits",
+		"global hits",
+		"local period",
+		"global period",
+	};
+
+	if (WARN_ON(type >= PERCENT_MAX))
+		return "N/A";
+
+	return str[type];
+}
+
+static inline struct disasm_line *disasm_line(struct annotation_line *al)
+{
+	return al ? container_of(al, struct disasm_line, al) : NULL;
+}
+
+/*
+ * Is this offset in the same function as the line it is used?
+ * asm functions jump to other functions, for instance.
+ */
+static inline bool disasm_line__has_local_offset(const struct disasm_line *dl)
+{
+	return dl->ops.target.offset_avail && !dl->ops.target.outside;
+}
+
+/*
+ * Can we draw an arrow from the jump to its target, for instance? I.e.
+ * is the jump and its target in the same function?
+ */
+bool disasm_line__is_valid_local_jump(struct disasm_line *dl, struct symbol *sym);
+
+struct annotation_line *
+annotation_line__next(struct annotation_line *pos, struct list_head *head);
+
+struct annotation_write_ops {
+	bool first_line, current_entry, change_color;
+	int  width;
+	void *obj;
+	int  (*set_color)(void *obj, int color);
+	void (*set_percent_color)(void *obj, double percent, bool current);
+	int  (*set_jumps_percent_color)(void *obj, int nr, bool current);
+	void (*printf)(void *obj, const char *fmt, ...);
+	void (*write_graph)(void *obj, int graph);
+};
+
+struct annotation_print_data {
+	struct hist_entry *he;
+	struct evsel *evsel;
+	const struct arch *arch;
+	struct debuginfo *dbg;
+	/* save data type info keyed by al->offset */
+	struct hashmap *type_hash;
+	/* It'll be set in hist_entry__annotate_printf() */
+	int addr_fmt_width;
+};
+
+void annotation_line__write(struct annotation_line *al, struct annotation *notes,
+			    const struct annotation_write_ops *ops,
+			    struct annotation_print_data *apd);
+
+int __annotation__scnprintf_samples_period(struct annotation *notes,
+					   char *bf, size_t size,
+					   struct evsel *evsel,
+					   bool show_freq);
+
+size_t disasm__fprintf(struct list_head *head, FILE *fp);
+void symbol__calc_percent(struct symbol *sym, struct evsel *evsel);
+
+/**
+ * struct sym_hist - symbol histogram information for an event
+ *
+ * @nr_samples: Total number of samples.
+ * @period: Sum of sample periods.
+ */
+struct sym_hist {
+	u64		      nr_samples;
+	u64		      period;
+};
+
+/**
+ * struct cyc_hist - (CPU) cycle histogram for a basic block
+ *
+ * @start: Start address of current block (if known).
+ * @cycles: Sum of cycles for the longest basic block.
+ * @cycles_aggr: Total cycles for this address.
+ * @cycles_max: Max cycles for this address.
+ * @cycles_min: Min cycles for this address.
+ * @cycles_spark: History of cycles for the longest basic block.
+ * @num: Number of samples for the longest basic block.
+ * @num_aggr: Total number of samples for this address.
+ * @have_start: Whether the current branch info has a start address.
+ * @reset: Number of resets due to a different start address.
+ *
+ * If sample has branch_stack and cycles info, it can construct basic blocks
+ * between two adjacent branches.  It'd have start and end addresses but
+ * sometimes the start address may not be available.  So the cycles are
+ * accounted at the end address.  If multiple basic blocks end at the same
+ * address, it will take the longest one.
+ *
+ * The @start, @cycles, @cycles_spark and @num fields are used for the longest
+ * block only.  Other fields are used for all cases.
+ *
+ * See __symbol__account_cycles().
+ */
+struct cyc_hist {
+	u64	start;
+	u64	cycles;
+	u64	cycles_aggr;
+	u64	cycles_max;
+	u64	cycles_min;
+	s64	cycles_spark[NUM_SPARKS];
+	u32	num;
+	u32	num_aggr;
+	u8	have_start;
+	/* 1 byte padding */
+	u16	reset;
+};
+
+/**
+ * struct annotated_source - symbols with hits have this attached as in annotation
+ *
+ * @source: List head for annotated_line (embeded in disasm_line).
+ * @histograms: Array of symbol histograms per event to maintain the total number
+ * 		of samples and period.
+ * @nr_histograms: This may not be the same as evsel->evlist->core.nr_entries if
+ * 		  we have more than a group in a evlist, where we will want
+ * 		  to see each group separately, that is why symbol__annotate2()
+ * 		  sets src->nr_histograms to evsel->nr_members.
+ * @samples: Hash map of sym_hist_entry.  Keyed by event index and offset in symbol.
+ * @nr_events: Number of events in the current output.
+ * @nr_entries: Number of annotated_line in the source list.
+ * @nr_asm_entries: Number of annotated_line with actual asm instruction in the
+ * 		    source list.
+ * @max_jump_sources: Maximum number of jump instructions targeting to the same
+ * 		      instruction.
+ * @widths: Precalculated width of each column in the TUI output.
+ *
+ * disasm_lines are allocated, percentages calculated and all sorted by percentage
+ * when the annotation is about to be presented, so the percentages are for
+ * one of the entries in the histogram array, i.e. for the event/counter being
+ * presented. It is deallocated right after symbol__{tui,tty,etc}_annotate
+ * returns.
+ */
+struct annotated_source {
+	struct list_head	source;
+	struct sym_hist		*histograms;
+	struct hashmap	   	*samples;
+	int    			nr_histograms;
+	int    			nr_events;
+	int			nr_entries;
+	int			nr_asm_entries;
+	int			max_jump_sources;
+	bool			tried_source;
+	u64			start;
+	struct {
+		u8		addr;
+		u8		jumps;
+		u8		target;
+		u8		min_addr;
+		u8		max_addr;
+		u8		max_ins_name;
+		u16		max_line_len;
+	} widths;
+};
+
+struct annotation_line *annotated_source__get_line(struct annotated_source *src,
+						   s64 offset);
+
+/* A branch counter once saturated */
+#define ANNOTATION__BR_CNTR_SATURATED_FLAG	(1ULL << 63)
+
+/**
+ * struct annotated_branch - basic block and IPC information for a symbol.
+ *
+ * @hit_cycles: Total executed cycles.
+ * @hit_insn: Total number of instructions executed.
+ * @total_insn: Number of instructions in the function.
+ * @cover_insn: Number of distinct, actually executed instructions.
+ * @cycles_hist: Array of cyc_hist for each instruction.
+ * @max_coverage: Maximum number of covered basic block (used for block-range).
+ * @br_cntr: Array of the occurrences of events (branch counters) during a block.
+ *
+ * This struct is used by two different codes when the sample has branch stack
+ * and cycles information.  annotation__compute_ipc() calculates average IPC
+ * using @hit_insn / @hit_cycles.  The actual coverage can be calculated using
+ * @cover_insn / @total_insn.  The @cycles_hist can give IPC for each (longest)
+ * basic block ends at the given address.
+ * process_basic_block() calculates coverage of instructions (or basic blocks)
+ * in the function.
+ */
+struct annotated_branch {
+	u64			hit_cycles;
+	u64			hit_insn;
+	unsigned int		total_insn;
+	unsigned int		cover_insn;
+	struct cyc_hist		*cycles_hist;
+	u64			max_coverage;
+	u64			*br_cntr;
+};
+
+struct LOCKABLE annotation {
+	struct annotated_source *src;
+	struct annotated_branch *branch;
+};
+
+static inline void annotation__init(struct annotation *notes __maybe_unused)
+{
+}
+void annotation__exit(struct annotation *notes);
+
+void annotation__lock(struct annotation *notes) EXCLUSIVE_LOCK_FUNCTION(*notes);
+void annotation__unlock(struct annotation *notes) UNLOCK_FUNCTION(*notes);
+bool annotation__trylock(struct annotation *notes) EXCLUSIVE_TRYLOCK_FUNCTION(true, *notes);
+
+static inline int annotation__cycles_width(struct annotation *notes)
+{
+	if (notes->branch && annotate_opts.show_minmax_cycle)
+		return ANNOTATION__IPC_WIDTH + ANNOTATION__MINMAX_CYCLES_WIDTH;
+
+	return notes->branch ? ANNOTATION__IPC_WIDTH + ANNOTATION__CYCLES_WIDTH : 0;
+}
+
+static inline int annotation__pcnt_width(struct annotation *notes)
+{
+	return (symbol_conf.show_total_period ? 12 : 8) * notes->src->nr_events;
+}
+
+static inline bool annotation_line__filter(struct annotation_line *al)
+{
+	return annotate_opts.hide_src_code && al->offset == -1;
+}
+
+static inline u8 annotation__br_cntr_width(void)
+{
+	return annotate_opts.show_br_cntr ? ANNOTATION__BR_CNTR_WIDTH : 0;
+}
+
+void annotation__update_column_widths(struct annotation *notes);
+void annotation__toggle_full_addr(struct annotation *notes, struct map_symbol *ms);
+
+static inline struct sym_hist *annotated_source__histogram(struct annotated_source *src,
+							   const struct evsel *evsel)
+{
+	return &src->histograms[evsel->core.idx];
+}
+
+static inline struct sym_hist *annotation__histogram(struct annotation *notes,
+						     const struct evsel *evsel)
+{
+	return annotated_source__histogram(notes->src, evsel);
+}
+
+static inline struct sym_hist_entry *
+annotated_source__hist_entry(struct annotated_source *src, const struct evsel *evsel, u64 offset)
+{
+	struct sym_hist_entry *entry;
+	long key = offset << 16 | evsel->core.idx;
+
+	if (!hashmap__find(src->samples, key, &entry))
+		return NULL;
+	return entry;
+}
+
+static inline struct annotation *symbol__annotation(struct symbol *sym)
+{
+	return (void *)sym - symbol_conf.priv_size;
+}
+
+int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, struct perf_sample *sample);
+
+struct annotated_branch *annotation__get_branch(struct annotation *notes);
+
+int addr_map_symbol__account_cycles(struct addr_map_symbol *ams,
+				    struct addr_map_symbol *start,
+				    unsigned cycles,
+				    struct evsel *evsel,
+				    u64 br_cntr);
+
+int hist_entry__inc_addr_samples(struct hist_entry *he, struct perf_sample *sample, u64 addr);
+
+struct annotated_source *symbol__hists(struct symbol *sym, int nr_hists);
+void symbol__annotate_zero_histograms(struct symbol *sym);
+
+int symbol__annotate(struct map_symbol *ms,
+		     struct evsel *evsel,
+		     const struct arch **parch);
+int symbol__annotate2(struct map_symbol *ms,
+		      struct evsel *evsel,
+		      const struct arch **parch);
+
+enum symbol_disassemble_errno {
+	SYMBOL_ANNOTATE_ERRNO__SUCCESS		= 0,
+
+	/*
+	 * Choose an arbitrary negative big number not to clash with standard
+	 * errno since SUS requires the errno has distinct positive values.
+	 * See 'Issue 6' in the link below.
+	 *
+	 * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html
+	 */
+	__SYMBOL_ANNOTATE_ERRNO__START		= -10000,
+
+	SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX	= __SYMBOL_ANNOTATE_ERRNO__START,
+	SYMBOL_ANNOTATE_ERRNO__NO_LIBOPCODES_FOR_BPF,
+	SYMBOL_ANNOTATE_ERRNO__ARCH_INIT_CPUID_PARSING,
+	SYMBOL_ANNOTATE_ERRNO__ARCH_INIT_REGEXP,
+	SYMBOL_ANNOTATE_ERRNO__BPF_INVALID_FILE,
+	SYMBOL_ANNOTATE_ERRNO__BPF_MISSING_BTF,
+	SYMBOL_ANNOTATE_ERRNO__COULDNT_DETERMINE_FILE_TYPE,
+
+	__SYMBOL_ANNOTATE_ERRNO__END,
+};
+
+int symbol__strerror_disassemble(struct map_symbol *ms, int errnum, char *buf, size_t buflen);
+
+void symbol__annotate_zero_histogram(struct symbol *sym, struct evsel *evsel);
+void symbol__annotate_decay_histogram(struct symbol *sym, struct evsel *evsel);
+void annotated_source__purge(struct annotated_source *as);
+
+int map_symbol__annotation_dump(struct map_symbol *ms, struct evsel *evsel,
+				struct hist_entry *he);
+
+bool ui__has_annotation(void);
+
+int hist_entry__annotate_printf(struct hist_entry *he, struct evsel *evsel);
+int hist_entry__tty_annotate(struct hist_entry *he, struct evsel *evsel);
+int hist_entry__tty_annotate2(struct hist_entry *he, struct evsel *evsel);
+
+void annotation_options__init(void);
+void annotation_options__exit(void);
+
+void annotation_config__init(void);
+
+int annotate_parse_percent_type(const struct option *opt, const char *_str,
+				int unset);
+
+int annotate_check_args(void);
+
+/**
+ * struct annotated_op_loc - Location info of instruction operand
+ * @reg1: First register in the operand
+ * @reg2: Second register in the operand
+ * @offset: Memory access offset in the operand
+ * @segment: Segment selector register
+ * @mem_ref: Whether the operand accesses memory
+ * @multi_regs: Whether the second register is used
+ * @imm: Whether the operand is an immediate value (in offset)
+ */
+struct annotated_op_loc {
+	int reg1;
+	int reg2;
+	int offset;
+	u8 segment;
+	bool mem_ref;
+	bool multi_regs;
+	bool imm;
+};
+
+enum annotated_insn_ops {
+	INSN_OP_SOURCE = 0,
+	INSN_OP_TARGET = 1,
+
+	INSN_OP_MAX,
+};
+
+enum annotated_x86_segment {
+	INSN_SEG_NONE = 0,
+
+	INSN_SEG_X86_CS,
+	INSN_SEG_X86_DS,
+	INSN_SEG_X86_ES,
+	INSN_SEG_X86_FS,
+	INSN_SEG_X86_GS,
+	INSN_SEG_X86_SS,
+};
+
+/**
+ * struct annotated_insn_loc - Location info of instruction
+ * @ops: Array of location info for source and target operands
+ */
+struct annotated_insn_loc {
+	struct annotated_op_loc ops[INSN_OP_MAX];
+};
+
+#define for_each_insn_op_loc(insn_loc, i, op_loc)			\
+	for (i = INSN_OP_SOURCE, op_loc = &(insn_loc)->ops[i];		\
+	     i < INSN_OP_MAX;						\
+	     i++, op_loc++)
+
+/* Get detailed location info in the instruction */
+int annotate_get_insn_location(const struct arch *arch, struct disasm_line *dl,
+			       struct annotated_insn_loc *loc);
+
+/* Returns a data type from the sample instruction (if any) */
+struct annotated_data_type *hist_entry__get_data_type(struct hist_entry *he);
+
+struct annotated_item_stat {
+	struct list_head list;
+	char *name;
+	int good;
+	int bad;
+};
+extern struct list_head ann_insn_stat;
+
+/* Calculate PC-relative address */
+u64 annotate_calc_pcrel(struct map_symbol *ms, u64 ip, int offset,
+			struct disasm_line *dl);
+
+/**
+ * struct annotated_basic_block - Basic block of instructions
+ * @list: List node
+ * @begin: start instruction in the block
+ * @end: end instruction in the block
+ */
+struct annotated_basic_block {
+	struct list_head list;
+	struct disasm_line *begin;
+	struct disasm_line *end;
+};
+
+/* Get a list of basic blocks from src to dst addresses */
+int annotate_get_basic_blocks(struct symbol *sym, s64 src, s64 dst,
+			      struct list_head *head);
+
+void debuginfo_cache__delete(void);
+
+int annotation_br_cntr_entry(char **str, int br_cntr_nr, u64 *br_cntr,
+			     int num_aggr, struct evsel *evsel);
+int annotation_br_cntr_abbr_list(char **str, struct evsel *evsel, bool header);
+
+
+int map_symbol__get_arch(struct map_symbol *ms, const struct arch **parch);
+#endif	/* __PERF_ANNOTATE_H */