add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/arch/x86/entry/vdso/vdso2c.h
..
..
@@ -7,14 +7,13 @@
7
7
 
8
8
 static void BITSFUNC(go)(void *raw_addr, size_t raw_len,
9
9
 			 void *stripped_addr, size_t stripped_len,
10
-			 FILE *outfile, const char *name)
10
+			 FILE *outfile, const char *image_name)
11
11
 {
12
12
 	int found_load = 0;
13
13
 	unsigned long load_size = -1;  /* Work around bogus warning */
14
14
 	unsigned long mapping_size;
15
15
 	ELF(Ehdr) *hdr = (ELF(Ehdr) *)raw_addr;
16
-	int i;
17
-	unsigned long j;
16
+	unsigned long i, syms_nr;
18
17
 	ELF(Shdr) *symtab_hdr = NULL, *strtab_hdr, *secstrings_hdr,
19
18
 		*alt_sec = NULL;
20
19
 	ELF(Dyn) *dyn = 0, *dyn_end = 0;
..
..
@@ -86,18 +85,18 @@
86
85
 	strtab_hdr = raw_addr + GET_LE(&hdr->e_shoff) +
87
86
 		GET_LE(&hdr->e_shentsize) * GET_LE(&symtab_hdr->sh_link);
88
87
 
88
+	syms_nr = GET_LE(&symtab_hdr->sh_size) / GET_LE(&symtab_hdr->sh_entsize);
89
89
 	/* Walk the symbol table */
90
-	for (i = 0;
91
-	     i < GET_LE(&symtab_hdr->sh_size) / GET_LE(&symtab_hdr->sh_entsize);
92
-	     i++) {
93
-		int k;
90
+	for (i = 0; i < syms_nr; i++) {
91
+		unsigned int k;
94
92
 		ELF(Sym) *sym = raw_addr + GET_LE(&symtab_hdr->sh_offset) +
95
93
 			GET_LE(&symtab_hdr->sh_entsize) * i;
96
-		const char *name = raw_addr + GET_LE(&strtab_hdr->sh_offset) +
97
-			GET_LE(&sym->st_name);
94
+		const char *sym_name = raw_addr +
95
+				       GET_LE(&strtab_hdr->sh_offset) +
96
+				       GET_LE(&sym->st_name);
98
97
 
99
98
 		for (k = 0; k < NSYMS; k++) {
100
-			if (!strcmp(name, required_syms[k].name)) {
99
+			if (!strcmp(sym_name, required_syms[k].name)) {
101
100
 				if (syms[k]) {
102
101
 					fail("duplicate symbol %s\n",
103
102
 					     required_syms[k].name);
..
..
@@ -134,7 +133,7 @@
134
133
 	if (syms[sym_vvar_start] % 4096)
135
134
 		fail("vvar_begin must be a multiple of 4096\n");
136
135
 
137
-	if (!name) {
136
+	if (!image_name) {
138
137
 		fwrite(stripped_addr, stripped_len, 1, outfile);
139
138
 		return;
140
139
 	}
..
..
@@ -149,15 +148,15 @@
149
148
 	fprintf(outfile,
150
149
 		"static unsigned char raw_data[%lu] __ro_after_init __aligned(PAGE_SIZE) = {",
151
150
 		mapping_size);
152
-	for (j = 0; j < stripped_len; j++) {
153
-		if (j % 10 == 0)
151
+	for (i = 0; i < stripped_len; i++) {
152
+		if (i % 10 == 0)
154
153
 			fprintf(outfile, "\n\t");
155
154
 		fprintf(outfile, "0x%02X, ",
156
-			(int)((unsigned char *)stripped_addr)[j]);
155
+			(int)((unsigned char *)stripped_addr)[i]);
157
156
 	}
158
157
 	fprintf(outfile, "\n};\n\n");
159
158
 
160
-	fprintf(outfile, "const struct vdso_image %s = {\n", name);
159
+	fprintf(outfile, "const struct vdso_image %s = {\n", image_name);
161
160
 	fprintf(outfile, "\t.data = raw_data,\n");
162
161
 	fprintf(outfile, "\t.size = %lu,\n", mapping_size);
163
162
 	if (alt_sec) {