Merge "scripts/kallsyms: filter symbols not in kernel address space" (8fbe245f) · Commits · e / devices / android_kernel_sony_msm8994_rework

scripts/kallsyms.c

+11 −1

Original line number	Diff line number	Diff line
		@@ -55,6 +55,7 @@ static struct sym_entry *table;
		static unsigned int table_size, table_cnt;
		static int all_symbols = 0;
		static char symbol_prefix_char = '\0';
		static unsigned long long kernel_start_addr = 0;

		int token_profit[0x10000];

		@@ -65,7 +66,10 @@ unsigned char best_table_len[256];

		static void usage(void)
		{
		fprintf(stderr, "Usage: kallsyms [--all-symbols] [--symbol-prefix=<prefix char>] < in.map > out.S\n");
		fprintf(stderr, "Usage: kallsyms [--all-symbols] "
		"[--symbol-prefix=<prefix char>] "
		"[--page-offset=<CONFIG_PAGE_OFFSET>] "
		"< in.map > out.S\n");
		exit(1);
		}

		@@ -194,6 +198,9 @@ static int symbol_valid(struct sym_entry *s)
		int i;
		int offset = 1;

		if (s->addr < kernel_start_addr)
		return 0;

		/* skip prefix char */
		if (symbol_prefix_char && *(s->sym + 1) == symbol_prefix_char)
		offset++;
		@@ -646,6 +653,9 @@ int main(int argc, char **argv)
		if ((p == '"' && (p+2) == '"') \|\| (p == '\'' && (p+2) == '\''))
		p++;
		symbol_prefix_char = *p;
		} else if (strncmp(argv[i], "--page-offset=", 14) == 0) {
		const char *p = &argv[i][14];
		kernel_start_addr = strtoull(p, NULL, 16);
		} else
		usage();
		}

+2 −0

Original line number	Diff line number	Diff line
		@@ -82,6 +82,8 @@ kallsyms()
		kallsymopt="${kallsymopt} --all-symbols"
		fi

		kallsymopt="${kallsymopt} --page-offset=$CONFIG_PAGE_OFFSET"

		local aflags="${KBUILD_AFLAGS} ${KBUILD_AFLAGS_KERNEL} \
		${NOSTDINC_FLAGS} ${LINUXINCLUDE} ${KBUILD_CPPFLAGS}"