Initial mips ldso porting effort from Steven J. Hill. Not yet

complete, but off to a fine start.

1 files changed, 63 insertions, 0 deletions

diff --git a/ldso/ldso/mips/dl-sysdep.h b/ldso/ldso/mips/dl-sysdep.h
new file mode 100644
index 000000000..24cbc3d04
--- /dev/null
+++ b/ldso/ldso/mips/dl-sysdep.h
@@ -0,0 +1,63 @@
+/*
+ * Various assmbly language/system dependent  hacks that are required
+ * so that we can minimize the amount of platform specific code.
+ */
+
+/* 
+ * Define this if the system uses RELOCA.
+ */
+#undef 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[0] = (unsigned long) _dl_linux_resolve; \
+  GOT_BASE[1] = (unsigned long) MODULE; \
+}
+
+/*
+ * 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.
+ *
+ * !!!NOTE!!!
+ *
+ * For MIPS, we don't have any DT_JMPREL or DT_PLTRELSZ dynamic
+ * entries, so this macro function is empty. The code contained
+ * in elfinterp.c does the real relocation work.
+ */
+#define PERFORM_BOOTSTRAP_RELOC(RELP,REL,SYMBOL,LOAD)
+
+
+/*
+ * Transfer control to the user's application, once the dynamic loader
+ * is done.  This routine has to exit the current function, then 
+ * call the _dl_elf_main function.
+ */
+
+#define START()   return (void) _dl_elf_main;      
+
+
+
+/* Here we define the magic numbers that this dynamic loader should accept */
+
+#define MAGIC1 EM_MIPS
+#define MAGIC2 EM_MIPS_RS3_LE
+/* Used for error messages */
+#define ELF_TARGET "MIPS"
+
+struct elf_resolve;
+unsigned long _dl_linux_resolver(struct elf_resolve * tpnt, int reloc_entry);
+
+#define do_rem(result, n, base)  result = (n % base)