From: Julian Seward <jseward@acm.org>
Date: Thu, 25 Jul 2002 00:49:51 +0000 (+0000)
Subject: Track ELF frame changes as appearing in Red Hat Limbo (7.3.92).
X-Git-Tag: svn/VALGRIND_1_0_1~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=db16040de4abbe4d028e349be126bec10b8310bc;p=thirdparty%2Fvalgrind.git

Track ELF frame changes as appearing in Red Hat Limbo (7.3.92).


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@525
---

diff --git a/coregrind/vg_kerneliface.h b/coregrind/vg_kerneliface.h
index ef6cd6677d..bcc10f55e2 100644
--- a/coregrind/vg_kerneliface.h
+++ b/coregrind/vg_kerneliface.h
@@ -324,7 +324,9 @@ struct vki_stat {
 #define VKI_AT_PHNUM  5     /* number of program headers */
 #define VKI_AT_PHENT  4     /* size of program header entry */
 #define VKI_AT_PHDR   3     /* program headers for program */
-
+#define VKI_AT_USER_AUX_SEGMENT 23  /* tell glibc what address segment
+                                       0x3B points to.  (Needed for
+                                       Red Hat Limbo, 7.3.92) */
 
 /* Including <linux/module.h> leads to loads of hassle because then we
    need <asm/atomic.h> sometimes (RedHat 7.3) and that is a
diff --git a/coregrind/vg_main.c b/coregrind/vg_main.c
index 95e772c0c1..5cce13d2e8 100644
--- a/coregrind/vg_main.c
+++ b/coregrind/vg_main.c
@@ -637,6 +637,16 @@ static void process_cmd_line_options ( void )
              VG_(printf)("Looks like you've got a 2.4.X kernel here.\n");
           sp -= 2;
        } else
+       if (sp[2] == VKI_AT_CLKTCK
+           && sp[0] == VKI_AT_PAGESZ
+           && sp[-2] == VKI_AT_HWCAP
+           && sp[-4] == VKI_AT_USER_AUX_SEGMENT
+           && sp[-4-1] == 0) {
+          if (0)
+             VG_(printf)("Looks like you've got a R-H Limbo 2.4.X "
+                         "kernel here.\n");
+          sp -= 4;
+       } else
        if (sp[2] == VKI_AT_CLKTCK
            && sp[0] == VKI_AT_PAGESZ
            && sp[-2] == VKI_AT_HWCAP
diff --git a/vg_kerneliface.h b/vg_kerneliface.h
index ef6cd6677d..bcc10f55e2 100644
--- a/vg_kerneliface.h
+++ b/vg_kerneliface.h
@@ -324,7 +324,9 @@ struct vki_stat {
 #define VKI_AT_PHNUM  5     /* number of program headers */
 #define VKI_AT_PHENT  4     /* size of program header entry */
 #define VKI_AT_PHDR   3     /* program headers for program */
-
+#define VKI_AT_USER_AUX_SEGMENT 23  /* tell glibc what address segment
+                                       0x3B points to.  (Needed for
+                                       Red Hat Limbo, 7.3.92) */
 
 /* Including <linux/module.h> leads to loads of hassle because then we
    need <asm/atomic.h> sometimes (RedHat 7.3) and that is a
diff --git a/vg_main.c b/vg_main.c
index 95e772c0c1..5cce13d2e8 100644
--- a/vg_main.c
+++ b/vg_main.c
@@ -637,6 +637,16 @@ static void process_cmd_line_options ( void )
              VG_(printf)("Looks like you've got a 2.4.X kernel here.\n");
           sp -= 2;
        } else
+       if (sp[2] == VKI_AT_CLKTCK
+           && sp[0] == VKI_AT_PAGESZ
+           && sp[-2] == VKI_AT_HWCAP
+           && sp[-4] == VKI_AT_USER_AUX_SEGMENT
+           && sp[-4-1] == 0) {
+          if (0)
+             VG_(printf)("Looks like you've got a R-H Limbo 2.4.X "
+                         "kernel here.\n");
+          sp -= 4;
+       } else
        if (sp[2] == VKI_AT_CLKTCK
            && sp[0] == VKI_AT_PAGESZ
            && sp[-2] == VKI_AT_HWCAP