Let's assume the client's address space starts at 0 until we port
to a platform for which that's not true.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3727 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/amd64/core_arch.h b/coregrind/amd64/core_arch.h
index 4328d45..b5c2395 100644
--- a/coregrind/amd64/core_arch.h
+++ b/coregrind/amd64/core_arch.h
@@ -108,10 +108,6 @@
 // Valgrind's stack size, in words.
 #define VGA_STACK_SIZE_W      16384
 
-// Base address of client address space.
-#define VGA_CLIENT_BASE       0x0ul
-
-
 #endif   // __AMD64_CORE_ARCH_H
 
 /*--------------------------------------------------------------------*/
diff --git a/coregrind/arm/core_arch.h b/coregrind/arm/core_arch.h
index 1936535..6427913 100644
--- a/coregrind/arm/core_arch.h
+++ b/coregrind/arm/core_arch.h
@@ -106,9 +106,6 @@
    Miscellaneous constants
    ------------------------------------------------------------------ */
 
-// Base address of client address space.
-#define VGA_CLIENT_BASE       0x0ul
-
 #endif   // __ARM_CORE_ARCH_H
 
 /*--------------------------------------------------------------------*/
diff --git a/coregrind/vg_main.c b/coregrind/vg_main.c
index 7be4179..8169109 100644
--- a/coregrind/vg_main.c
+++ b/coregrind/vg_main.c
@@ -392,7 +392,7 @@
    // taking into account the tool's shadow needs.
    client_size         = ROUNDDN((VG_(valgrind_base)-REDZONE_SIZE) / (1.+ratio),
                          CLIENT_SIZE_MULTIPLE);
-   VG_(client_base)    = VGA_CLIENT_BASE;
+   VG_(client_base)    = 0;
    VG_(client_end)     = VG_(client_base) + client_size;
    /* where !FIXED mmap goes */
    VG_(client_mapbase) = VG_(client_base) +
@@ -2386,7 +2386,7 @@
 
   The memory map it creates is:
 
- VGA_CLIENT_BASE +-------------------------+
+  client_base    +-------------------------+
                  | client address space    |
 	         :                         :
 	         :                         :
diff --git a/coregrind/x86/core_arch.h b/coregrind/x86/core_arch.h
index 954fff8..cac4e40 100644
--- a/coregrind/x86/core_arch.h
+++ b/coregrind/x86/core_arch.h
@@ -112,10 +112,6 @@
 // Valgrind's stack size, in words.
 #define VGA_STACK_SIZE_W      16384
 
-// Base address of client address space.
-#define VGA_CLIENT_BASE       0x0ul
-
-
 #endif   // __X86_CORE_ARCH_H
 
 /*--------------------------------------------------------------------*/