From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/scripts/mod/modpost.h | 62 ++++++++++++++++++++++++-------
1 files changed, 48 insertions(+), 14 deletions(-)
diff --git a/kernel/scripts/mod/modpost.h b/kernel/scripts/mod/modpost.h
index 8453d6a..1f76eea 100644
--- a/kernel/scripts/mod/modpost.h
+++ b/kernel/scripts/mod/modpost.h
@@ -2,6 +2,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
+#include <stdbool.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
@@ -109,22 +110,31 @@
void
buf_write(struct buffer *buf, const char *s, int len);
+struct namespace_list {
+ struct namespace_list *next;
+ char namespace[];
+};
+
struct module {
struct module *next;
- const char *name;
int gpl_compatible;
struct symbol *unres;
+ int from_dump; /* 1 if module was loaded from *.symvers */
+ int is_vmlinux;
int seen;
- int skip;
int has_init;
int has_cleanup;
struct buffer dev_table_buf;
char srcversion[25];
- int is_dot_o;
+ // Missing namespace dependencies
+ struct namespace_list *missing_namespaces;
+ // Actual imported namespaces
+ struct namespace_list *imported_namespaces;
+ char name[];
};
struct elf_info {
- unsigned long size;
+ size_t size;
Elf_Ehdr *hdr;
Elf_Shdr *sechdrs;
Elf_Sym *symtab_start;
@@ -171,6 +181,14 @@
return info->symtab_shndx_start[sym - info->symtab_start];
}
+static inline bool strends(const char *str, const char *postfix)
+{
+ if (strlen(str) < strlen(postfix))
+ return false;
+
+ return strcmp(str + strlen(str) - strlen(postfix), postfix) == 0;
+}
+
/* file2alias.c */
extern unsigned int cross_build;
void handle_moddevtable(struct module *mod, struct elf_info *info,
@@ -178,17 +196,33 @@
void add_moddevtable(struct buffer *buf, struct module *mod);
/* sumversion.c */
-void maybe_frob_rcs_version(const char *modfilename,
- char *version,
- void *modinfo,
- unsigned long modinfo_offset);
void get_src_version(const char *modname, char sum[], unsigned sumlen);
/* from modpost.c */
-void *grab_file(const char *filename, unsigned long *size);
-char* get_next_line(unsigned long *pos, void *file, unsigned long size);
-void release_file(void *file, unsigned long size);
+char *read_text_file(const char *filename);
+char *get_line(char **stringp);
-void fatal(const char *fmt, ...);
-void warn(const char *fmt, ...);
-void merror(const char *fmt, ...);
+enum loglevel {
+ LOG_WARN,
+ LOG_ERROR,
+ LOG_FATAL
+};
+
+void modpost_log(enum loglevel loglevel, const char *fmt, ...);
+
+/*
+ * warn - show the given message, then let modpost continue running, still
+ * allowing modpost to exit successfully. This should be used when
+ * we still allow to generate vmlinux and modules.
+ *
+ * error - show the given message, then let modpost continue running, but fail
+ * in the end. This should be used when we should stop building vmlinux
+ * or modules, but we can continue running modpost to catch as many
+ * issues as possible.
+ *
+ * fatal - show the given message, and bail out immediately. This should be
+ * used when there is no point to continue running modpost.
+ */
+#define warn(fmt, args...) modpost_log(LOG_WARN, fmt, ##args)
+#define error(fmt, args...) modpost_log(LOG_ERROR, fmt, ##args)
+#define fatal(fmt, args...) modpost_log(LOG_FATAL, fmt, ##args)
--
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