Applied patch from Phillip Blundell <pb@nexus.co.uk>:

  This patch fixes a couple of Linux-specific problems with profiling and
  debugging.  It's against the trunk version.  Without it gdb reports wrong
  line numbers and -pg does not work at all.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@25972 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ab60874..cc4577a 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+1999-03-25  Philip Blundell  <pb@nexus.co.uk>
+
+       Based on patch from Jim Studt <jim@federated.com>:
+       * config/arm/linux-elf.h (STARTFILE_SPEC, ENDFILE_SPEC): Copy
+       definitions from config/linux.h.
+       (DBX_BLOCKS_FUNCTION_RELATIVE): Define to 1.
+
 Thu Mar 25 02:12:42 1999  Finn Hakansson  <finn@axis.com>
 
         * rtl.h (MEM_COPY_ATTRIBUTES): Remove unnecessary ending backslash.

diff --git a/gcc/config/arm/linux-elf.h b/gcc/config/arm/linux-elf.h
index 97caad5..585c259 100644 (file)
--- a/gcc/config/arm/linux-elf.h
+++ b/gcc/config/arm/linux-elf.h
@@ -49,13 +49,26 @@ Boston, MA 02111-1307, USA.  */
 
 #define LIBGCC_SPEC "%{msoft-float:-lfloat} -lgcc"
 
-/* Add the compiler's crtend, and the library's crtn.  */
-#define ENDFILE_SPEC "%{!shared:crtend.o%s} %{shared:crtendS.o%s} \
-   %{pg:gcrtn.o%s}%{!pg:crtn.o%s}"
-
-#define STARTFILE_SPEC "%{!shared:crt1.o%s} \
-   crti.o%s \
-   %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
+/* Provide a STARTFILE_SPEC appropriate for GNU/Linux.  Here we add
+   the GNU/Linux magical crtbegin.o file (see crtstuff.c) which
+   provides part of the support for getting C++ file-scope static
+   object constructed before entering `main'. */
+   
+#define STARTFILE_SPEC \
+  "%{!shared: \
+     %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
+                      %{!p:%{profile:gcrt1.o%s} \
+                        %{!profile:crt1.o%s}}}} \
+   crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
+
+/* Provide a ENDFILE_SPEC appropriate for GNU/Linux.  Here we tack on
+   the GNU/Linux magical crtend.o file (see crtstuff.c) which
+   provides part of the support for getting C++ file-scope static
+   object constructed before entering `main', followed by a normal
+   GNU/Linux "finalizer" file, `crtn.o'.  */
+
+#define ENDFILE_SPEC \
+  "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
 
 #define LINK_SPEC "%{h*} %{version:-v} \
    %{b} %{Wl,*:%*} \
@@ -218,9 +231,16 @@ const_section ()                                                   \
        fputc ('\n', FILE); } while (0)
 
 /* Make DWARF2 an option, but keep DBX as the default for now.
-   Use -gdwarf2 to turn on DWARF2.  */
+   Use -gdwarf-2 to turn on DWARF2.  */
 #define DWARF2_DEBUGGING_INFO
 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
 
+/* Make LBRAC and RBRAC addresses relative to the start of the
+   function.  The native Solaris stabs debugging format works this
+   way, gdb expects it, and it reduces the number of relocation
+   entries.  */
+
+#define DBX_BLOCKS_FUNCTION_RELATIVE 1
+
 #include "arm/elf.h"
 #include "arm/linux-gas.h"