1 files changed, 82 insertions, 0 deletions
diff --git a/ldso/ldso/i386/ld_sysdep.h b/ldso/ldso/i386/ld_sysdep.h
new file mode 100644
index 000000000..9bbeef1fa
--- /dev/null
+++ b/ldso/ldso/i386/ld_sysdep.h
@@ -0,0 +1,82 @@
+
+/*
+ * 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 int*) & ARGS)
+/*
+ * Get the address of the Global offset table.  This must be absolute, not
+ * relative.
+ */
+#define GET_GOT(X)     __asm__("\tmovl %%ebx,%0\n\t" : "=a" (X))
+
+/*
+ * Initialization sequence for a GOT.
+ */
+#define INIT_GOT(GOT_BASE,MODULE) \
+{				\
+  GOT_BASE[2] = (int) _dl_linux_resolve; \
+  GOT_BASE[1] = (int) 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.
+ */
+#define PERFORM_BOOTSTRAP_RELOC(RELP,REL,SYMBOL,LOAD) \
+	switch(ELF32_R_TYPE((RELP)->r_info)){		\
+	case R_386_32:		\
+	  *REL += SYMBOL;		\
+	  break;		\
+	case R_386_PC32:		\
+	  *REL += SYMBOL - (unsigned int) REL;		\
+	  break;		\
+	case R_386_GLOB_DAT:		\
+	case R_386_JMP_SLOT:		\
+	  *REL = SYMBOL;		\
+	  break;		\
+	case R_386_RELATIVE:		\
+	  *REL += (unsigned int) LOAD;		\
+	  break;		\
+	default:		\
+	  _dl_exit(1);		\
+	}
+
+
+/*
+ * Transfer control to the user's application, once the dynamic loader
+ * is done.
+ */
+
+#define START()		\
+	__asm__ volatile ("leave\n\t" \
+		    "jmp *%%eax\n\t"	\
+		    : "=a" (status) :	\
+		    "d" (_dl_interpreter_exit), "a" (_dl_elf_main))
+
+
+
+/* Here we define the magic numbers that this dynamic loader should accept */
+
+#define MAGIC1 EM_386
+#define MAGIC2 EM_486
+/* Used for error messages */
+#define ELF_TARGET "386/486"
+
+extern unsigned int _dl_linux_resolver(int dummy, int i);
+
+#define do_rem(result, n, base)  result = (n % base)