change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/scripts/mod/modpost.h
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@@ -2,6 +2,7 @@
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 #include <stdio.h>
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 #include <stdlib.h>
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 #include <stdarg.h>
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+#include <stdbool.h>
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 #include <string.h>
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 #include <sys/types.h>
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 #include <sys/stat.h>
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@@ -109,22 +110,31 @@
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 void
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 buf_write(struct buffer *buf, const char *s, int len);
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+struct namespace_list {
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+	struct namespace_list *next;
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+	char namespace[];
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+};
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+
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 struct module {
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 	struct module *next;
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-	const char *name;
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 	int gpl_compatible;
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 	struct symbol *unres;
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+	int from_dump;  /* 1 if module was loaded from *.symvers */
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+	int is_vmlinux;
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 	int seen;
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-	int skip;
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 	int has_init;
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 	int has_cleanup;
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 	struct buffer dev_table_buf;
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 	char	     srcversion[25];
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-	int is_dot_o;
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+	// Missing namespace dependencies
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+	struct namespace_list *missing_namespaces;
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+	// Actual imported namespaces
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+	struct namespace_list *imported_namespaces;
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+	char name[];
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 };
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 struct elf_info {
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-	unsigned long size;
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+	size_t size;
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 	Elf_Ehdr     *hdr;
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 	Elf_Shdr     *sechdrs;
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 	Elf_Sym      *symtab_start;
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@@ -171,6 +181,14 @@
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 	return info->symtab_shndx_start[sym - info->symtab_start];
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 }
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+static inline bool strends(const char *str, const char *postfix)
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+{
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+	if (strlen(str) < strlen(postfix))
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+		return false;
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+
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+	return strcmp(str + strlen(str) - strlen(postfix), postfix) == 0;
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+}
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+
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 /* file2alias.c */
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 extern unsigned int cross_build;
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 void handle_moddevtable(struct module *mod, struct elf_info *info,
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@@ -178,17 +196,33 @@
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 void add_moddevtable(struct buffer *buf, struct module *mod);
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 /* sumversion.c */
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-void maybe_frob_rcs_version(const char *modfilename,
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-			    char *version,
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-			    void *modinfo,
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-			    unsigned long modinfo_offset);
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 void get_src_version(const char *modname, char sum[], unsigned sumlen);
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 /* from modpost.c */
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-void *grab_file(const char *filename, unsigned long *size);
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-char* get_next_line(unsigned long *pos, void *file, unsigned long size);
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-void release_file(void *file, unsigned long size);
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+char *read_text_file(const char *filename);
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+char *get_line(char **stringp);
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-void fatal(const char *fmt, ...);
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-void warn(const char *fmt, ...);
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-void merror(const char *fmt, ...);
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+enum loglevel {
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+	LOG_WARN,
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+	LOG_ERROR,
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+	LOG_FATAL
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+};
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+
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+void modpost_log(enum loglevel loglevel, const char *fmt, ...);
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+
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+/*
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+ * warn - show the given message, then let modpost continue running, still
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+ *        allowing modpost to exit successfully. This should be used when
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+ *        we still allow to generate vmlinux and modules.
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+ *
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+ * error - show the given message, then let modpost continue running, but fail
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+ *         in the end. This should be used when we should stop building vmlinux
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+ *         or modules, but we can continue running modpost to catch as many
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+ *         issues as possible.
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+ *
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+ * fatal - show the given message, and bail out immediately. This should be
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+ *         used when there is no point to continue running modpost.
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+ */
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+#define warn(fmt, args...)	modpost_log(LOG_WARN, fmt, ##args)
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+#define error(fmt, args...)	modpost_log(LOG_ERROR, fmt, ##args)
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+#define fatal(fmt, args...)	modpost_log(LOG_FATAL, fmt, ##args)