From: patrick <patrick@openbsd.org>
Date: Thu, 8 Jun 2017 19:40:49 +0000 (+0000)
Subject: Remove esym (.data) patching.  Thanks to Mark we stopped requiring this
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=21c288d8bd7e1981891e058d6066c5e7915543da;p=openbsd

Remove esym (.data) patching.  Thanks to Mark we stopped requiring this
and with the random-order kernel we shouldn't be doing that anyway.

ok kettenis@
---

diff --git a/sys/arch/armv7/stand/efiboot/exec.c b/sys/arch/armv7/stand/efiboot/exec.c
index 282b38b8aaa..4a8a434b3af 100644
--- a/sys/arch/armv7/stand/efiboot/exec.c
+++ b/sys/arch/armv7/stand/efiboot/exec.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: exec.c,v 1.10 2016/10/06 18:15:44 kettenis Exp $	*/
+/*	$OpenBSD: exec.c,v 1.11 2017/06/08 19:40:49 patrick Exp $	*/
 
 /*
  * Copyright (c) 2006, 2016 Mark Kettenis
@@ -35,30 +35,11 @@ typedef void (*startfuncp)(void *, void *, void *) __attribute__ ((noreturn));
 void
 run_loadfile(u_long *marks, int howto)
 {
-	Elf_Ehdr *elf = (Elf_Ehdr *)marks[MARK_SYM];
-	Elf_Shdr *shp = (Elf_Shdr *)(marks[MARK_SYM] + elf->e_shoff);
 	u_long esym = marks[MARK_END] & 0x0fffffff;
-	u_long offset = 0;
 	char args[256];
 	char *cp;
 	void *fdt;
 	uint32_t board_id = 0;
-	int i;
-
-	/*
-	 * Tell locore.S where the symbol table ends by setting
-	 * 'esym', which should be the first word in the .data
-	 * section.
-	 */
-	for (i = 0; i < elf->e_shnum; i++) {
-		/* XXX Assume .data is the first writable segment. */
-		if (shp[i].sh_flags & SHF_WRITE) {
-			/* XXX We have to store the virtual address. */
-			esym |= shp[i].sh_addr & 0xf0000000;
-			*(u_long *)(LOADADDR(shp[i].sh_addr)) = esym;
-			break;
-		}
-	}
 
 	snprintf(args, sizeof(args) - 8, "%s:%s", cmd.bootdev, cmd.image);
 	cp = args + strlen(args);