1 files changed, 111 insertions, 0 deletions
diff --git a/ldso/ldso/cris/ld_sysdep.h b/ldso/ldso/cris/ld_sysdep.h
new file mode 100644
index 000000000..e915bf600
--- /dev/null
+++ b/ldso/ldso/cris/ld_sysdep.h
@@ -0,0 +1,111 @@
+/* CRIS can never use Elf32_Rel relocations. */
+#define ELF_USES_RELOCA
+
+/*
+ * Get a pointer to the argv array.  On many platforms this can be just
+ * the address if the first argument, on other platforms we need to
+ * do something a little more subtle here.
+ */
+#define GET_ARGV(ARGVP, ARGS) ARGVP = ((unsigned long *) ARGS)
+
+/*
+ * Initialization sequence for a GOT.
+ */
+#define INIT_GOT(GOT_BASE,MODULE) 				\
+{                               				\
+	 GOT_BASE[1] = (unsigned long) MODULE; 			\
+	 GOT_BASE[2] = (unsigned long) _dl_linux_resolve; 	\
+} 
+
+/*
+ * Here is a macro to perform a relocation.  This is only used when
+ * bootstrapping the dynamic loader.  RELP is the relocation that we
+ * are performing, REL is the pointer to the address we are relocating.
+ * SYMBOL is the symbol involved in the relocation, and LOAD is the
+ * load address.
+ */
+#define PERFORM_BOOTSTRAP_RELOC(RELP, REL, SYMBOL, LOAD)			\
+	switch (ELF32_R_TYPE((RELP)->r_info)) {           			\
+		case R_CRIS_GLOB_DAT:						\
+		case R_CRIS_JUMP_SLOT:						\
+		case R_CRIS_32:							\
+			*REL = SYMBOL;						\
+			break;							\
+		case R_CRIS_16_PCREL:						\
+			*(short *) *REL = SYMBOL + (RELP)->r_addend - *REL - 2;	\
+			break;							\
+		case R_CRIS_32_PCREL:						\
+			*REL = SYMBOL + (RELP)->r_addend - *REL - 4;		\
+			break;							\
+		case R_CRIS_NONE:						\
+			break;							\
+		case R_CRIS_RELATIVE:						\
+			*REL = (unsigned long) LOAD + (RELP)->r_addend;		\
+			break;							\
+		default:							\
+			_dl_exit(1);						\
+			break;							\
+	} 
+
+/*
+ * Transfer control to the user's application once the dynamic loader
+ * is done. This routine has to exit the current function, then call
+ * _dl_elf_main.
+ */
+#define START() __asm__ volatile ("moveq 0,$r8\n\t
+								   move $r8,$srp\n\t
+								   move.d %1,$sp\n\t
+								   jump %0\n\t" : : "r" (_dl_elf_main), "r" (args))
+
+/* Defined some magic numbers that this ld.so should accept. */
+#define MAGIC1 EM_CRIS
+#undef MAGIC2
+#define ELF_TARGET "CRIS"
+
+struct elf_resolve;
+extern unsigned long _dl_linux_resolver(struct elf_resolve *tpnt, int reloc_entry);
+
+/* Cheap modulo implementation, taken from arm/ld_sysdep.h. */
+static inline unsigned long 
+cris_mod(unsigned long m, unsigned long p) 
+{
+	unsigned long i, t, inc;
+        
+	i = p; 
+	t = 0;
+
+        while (!(i & (1 << 31))) {
+                i <<= 1;
+                t++;
+        }
+	
+        t--;
+        
+	for (inc = t; inc > 2; inc--) {
+                i = p << inc;
+		
+                if (i & (1 << 31))
+                        break;
+			
+                while (m >= i) {
+                        m -= i;
+                        i <<= 1;
+                        if (i & (1 << 31))
+                                break;
+                        if (i < p)
+                                break;
+                }
+        }
+	
+        while (m >= p)
+                m -= p;
+
+        return m;
+}
+
+#define do_rem(result, n, base) result = cris_mod(n, base);
+
+/* 8192 bytes alignment */
+#define PAGE_ALIGN 0xffffe000
+#define ADDR_ALIGN 0x1fff
+#define OFFS_ALIGN 0xffffe000