From: Julian Seward <jseward@acm.org>
Date: Wed, 21 Aug 2002 22:41:35 +0000 (+0000)
Subject: Handle startup stacks starting at 0xE0000000.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ed333e358e7a5629beb92265d0b3b22b0f9cbbdd;p=thirdparty%2Fvalgrind.git

Handle startup stacks starting at 0xE0000000.

MERGE TO HEAD


git-svn-id: svn://svn.valgrind.org/valgrind/branches/VALGRIND_1_0_BRANCH@614
---

diff --git a/vg_include.h b/vg_include.h
index 1e831c3fac..f97fd4bbaa 100644
--- a/vg_include.h
+++ b/vg_include.h
@@ -795,12 +795,14 @@ extern Int     VG_(longjmpd_on_signal);
    the initial stack, which we can't move, is allocated here.
    VG_(scheduler_init) checks this.  Andrea Archelangi's 2.4 kernels
    have been rumoured to start stacks at 0x80000000, so that too is
-   considered. It seems systems with longer uptimes tend to to use
-   stacks which start at 0x40000000 sometimes.  
-*/
+   considered.  It seems systems with longer uptimes tend to to use
+   stacks which start at 0x40000000 sometimes.  JRS 2002-Aug-21: I
+   also have reports of stacks starting at 0xE0000000.*/
+
 #define VG_STARTUP_STACK_BASE_1  (Addr)0xC0000000
 #define VG_STARTUP_STACK_BASE_2  (Addr)0x80000000
 #define VG_STARTUP_STACK_BASE_3  (Addr)0x40000000
+#define VG_STARTUP_STACK_BASE_4  (Addr)0xE0000000
 #define VG_STARTUP_STACK_SMALLERTHAN  0x100000 /* 1024k */
 
 #define VG_STACK_MATCHES_BASE(zzstack, zzbase)                 \
diff --git a/vg_main.c b/vg_main.c
index 2634af27dd..a2e9cb51b0 100644
--- a/vg_main.c
+++ b/vg_main.c
@@ -608,7 +608,10 @@ static void process_cmd_line_options ( void )
        if (VG_STACK_MATCHES_BASE( VG_(esp_at_startup), 
                                   VG_STARTUP_STACK_BASE_3 )) {
           sp = (UInt*)VG_STARTUP_STACK_BASE_3;
- 
+       } else 
+       if (VG_STACK_MATCHES_BASE( VG_(esp_at_startup), 
+                                  VG_STARTUP_STACK_BASE_4 )) {
+          sp = (UInt*)VG_STARTUP_STACK_BASE_4;
        } else {
           args_grok_error(
              "startup %esp is not near any VG_STARTUP_STACK_BASE_*\n   "