1 files changed, 50 insertions, 12 deletions

diff --git a/scripts/sortextable.c b/scripts/sortextable.c
index 1ca9ceb95eb..1052d4834a4 100644
--- a/scripts/sortextable.c
+++ b/scripts/sortextable.c
@@ -31,6 +31,22 @@
 #include <tools/be_byteshift.h>
 #include <tools/le_byteshift.h>
 
+#ifndef EM_ARCOMPACT
+#define EM_ARCOMPACT	93
+#endif
+
+#ifndef EM_XTENSA
+#define EM_XTENSA	94
+#endif
+
+#ifndef EM_AARCH64
+#define EM_AARCH64	183
+#endif
+
+#ifndef EM_MICROBLAZE
+#define EM_MICROBLAZE	189
+#endif
+
 static int fd_map;	/* File descriptor for file being modified. */
 static int mmap_failed; /* Boolean flag. */
 static void *ehdr_curr; /* current ElfXX_Ehdr *  for resource cleanup */
@@ -60,14 +76,6 @@ fail_file(void)
 	longjmp(jmpenv, SJ_FAIL);
 }
 
-static void __attribute__((noreturn))
-succeed_file(void)
-{
-	cleanup();
-	longjmp(jmpenv, SJ_SUCCEED);
-}
-
-
 /*
  * Get the whole file as a programming convenience in order to avoid
  * malloc+lseek+read+free of many pieces.  If successful, then mmap
@@ -156,12 +164,36 @@ static void (*w2)(uint16_t, uint16_t *);
 
 typedef void (*table_sort_t)(char *, int);
 
+/*
+ * Move reserved section indices SHN_LORESERVE..SHN_HIRESERVE out of
+ * the way to -256..-1, to avoid conflicting with real section
+ * indices.
+ */
+#define SPECIAL(i) ((i) - (SHN_HIRESERVE + 1))
+
+static inline int is_shndx_special(unsigned int i)
+{
+	return i != SHN_XINDEX && i >= SHN_LORESERVE && i <= SHN_HIRESERVE;
+}
+
+/* Accessor for sym->st_shndx, hides ugliness of "64k sections" */
+static inline unsigned int get_secindex(unsigned int shndx,
+					unsigned int sym_offs,
+					const Elf32_Word *symtab_shndx_start)
+{
+	if (is_shndx_special(shndx))
+		return SPECIAL(shndx);
+	if (shndx != SHN_XINDEX)
+		return shndx;
+	return r(&symtab_shndx_start[sym_offs]);
+}
+
 /* 32 bit and 64 bit are very similar */
 #include "sortextable.h"
 #define SORTEXTABLE_64
 #include "sortextable.h"
 
-static int compare_x86_table(const void *a, const void *b)
+static int compare_relative_table(const void *a, const void *b)
 {
 	int32_t av = (int32_t)r(a);
 	int32_t bv = (int32_t)r(b);
@@ -173,7 +205,7 @@ static int compare_x86_table(const void *a, const void *b)
 	return 0;
 }
 
-static void sort_x86_table(char *extab_image, int image_size)
+static void sort_relative_table(char *extab_image, int image_size)
 {
 	int i;
 
@@ -188,7 +220,7 @@ static void sort_x86_table(char *extab_image, int image_size)
 		i += 4;
 	}
 
-	qsort(extab_image, image_size / 8, 8, compare_x86_table);
+	qsort(extab_image, image_size / 8, 8, compare_relative_table);
 
 	/* Now denormalize. */
 	i = 0;
@@ -245,9 +277,15 @@ do_file(char const *const fname)
 		break;
 	case EM_386:
 	case EM_X86_64:
-		custom_sort = sort_x86_table;
+	case EM_S390:
+		custom_sort = sort_relative_table;
 		break;
+	case EM_ARCOMPACT:
+	case EM_ARM:
+	case EM_AARCH64:
+	case EM_MICROBLAZE:
 	case EM_MIPS:
+	case EM_XTENSA:
 		break;
 	}  /* end switch */