X-Git-Url: https://git.archive.openwrt.org/?a=blobdiff_plain;f=target%2Flinux%2Fgeneric%2Fpatches-3.14%2F203-kallsyms_uncompressed.patch;fp=target%2Flinux%2Fgeneric%2Fpatches-3.14%2F203-kallsyms_uncompressed.patch;h=0000000000000000000000000000000000000000;hb=80a62df014090107fb20842313edcb48b0e29485;hp=b365c0504424767f940d68088cbad504782ce2a8;hpb=fbda97735c7ddf34de5418a90c17b76df9777fe1;p=openwrt.git

diff --git a/target/linux/generic/patches-3.14/203-kallsyms_uncompressed.patch b/target/linux/generic/patches-3.14/203-kallsyms_uncompressed.patch
deleted file mode 100644
index b365c05044..0000000000
--- a/target/linux/generic/patches-3.14/203-kallsyms_uncompressed.patch
+++ /dev/null
@@ -1,108 +0,0 @@
---- a/scripts/kallsyms.c
-+++ b/scripts/kallsyms.c
-@@ -54,6 +54,7 @@ static struct text_range text_ranges[] =
- static struct sym_entry *table;
- static unsigned int table_size, table_cnt;
- static int all_symbols = 0;
-+static int uncompressed = 0;
- static char symbol_prefix_char = '\0';
- static unsigned long long kernel_start_addr = 0;
- 
-@@ -373,6 +374,9 @@ static void write_src(void)
- 
- 	free(markers);
- 
-+	if (uncompressed)
-+		return;
-+
- 	output_label("kallsyms_token_table");
- 	off = 0;
- 	for (i = 0; i < 256; i++) {
-@@ -431,6 +435,9 @@ static void *find_token(unsigned char *s
- {
- 	int i;
- 
-+	if (uncompressed)
-+		return NULL;
-+
- 	for (i = 0; i < len - 1; i++) {
- 		if (str[i] == token[0] && str[i+1] == token[1])
- 			return &str[i];
-@@ -503,6 +510,9 @@ static void optimize_result(void)
- {
- 	int i, best;
- 
-+	if (uncompressed)
-+		return;
-+
- 	/* using the '\0' symbol last allows compress_symbols to use standard
- 	 * fast string functions */
- 	for (i = 255; i >= 0; i--) {
-@@ -662,7 +672,9 @@ int main(int argc, char **argv)
- 			} else if (strncmp(argv[i], "--page-offset=", 14) == 0) {
- 				const char *p = &argv[i][14];
- 				kernel_start_addr = strtoull(p, NULL, 16);
--			} else
-+			} else if (strcmp(argv[i], "--uncompressed") == 0)
-+				uncompressed = 1;
-+			else
- 				usage();
- 		}
- 	} else if (argc != 1)
---- a/init/Kconfig
-+++ b/init/Kconfig
-@@ -1270,6 +1270,17 @@ config SYSCTL_ARCH_UNALIGN_ALLOW
- 	  the unaligned access emulation.
- 	  see arch/parisc/kernel/unaligned.c for reference
- 
-+config KALLSYMS_UNCOMPRESSED
-+	bool "Keep kallsyms uncompressed"
-+	depends on KALLSYMS
-+	help
-+		Normally kallsyms contains compressed symbols (using a token table),
-+		reducing the uncompressed kernel image size. Keeping the symbol table
-+		uncompressed significantly improves the size of this part in compressed
-+		kernel images.
-+
-+		Say N unless you need compressed kernel images to be small.
-+
- config HAVE_PCSPKR_PLATFORM
- 	bool
- 
---- a/scripts/link-vmlinux.sh
-+++ b/scripts/link-vmlinux.sh
-@@ -86,6 +86,10 @@ kallsyms()
- 		kallsymopt="${kallsymopt} --page-offset=$CONFIG_PAGE_OFFSET"
- 	fi
- 
-+	if [ -n "${CONFIG_KALLSYMS_UNCOMPRESSED}" ]; then
-+		kallsymopt="${kallsymopt} --uncompressed"
-+	fi
-+
- 	local aflags="${KBUILD_AFLAGS} ${KBUILD_AFLAGS_KERNEL}               \
- 		      ${NOSTDINC_FLAGS} ${LINUXINCLUDE} ${KBUILD_CPPFLAGS}"
- 
---- a/kernel/kallsyms.c
-+++ b/kernel/kallsyms.c
-@@ -108,6 +108,11 @@ static unsigned int kallsyms_expand_symb
- 	 * For every byte on the compressed symbol data, copy the table
- 	 * entry for that byte.
- 	 */
-+#ifdef CONFIG_KALLSYMS_UNCOMPRESSED
-+	memcpy(result, data + 1, len - 1);
-+	result += len - 1;
-+	len = 0;
-+#endif
- 	while (len) {
- 		tptr = &kallsyms_token_table[kallsyms_token_index[*data]];
- 		data++;
-@@ -140,6 +145,9 @@ tail:
-  */
- static char kallsyms_get_symbol_type(unsigned int off)
- {
-+#ifdef CONFIG_KALLSYMS_UNCOMPRESSED
-+	return kallsyms_names[off + 1];
-+#endif
- 	/*
- 	 * Get just the first code, look it up in the token table,
- 	 * and return the first char from this token.