Document problem with GCC 4.8.3 and the NXFLAT tools

git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5228 42af7a65-404d-4744-a932-0658087f49c3

misc/buildroot/toolchain/nxflat/ldnxflat.c

@@ -812,7 +812,6 @@ relocate_rel32(arelent *relp, int32_t *target, symvalue sym_value)
   int32_t                value;
   int32_t                temp;
   int32_t                saved;
-  int                    reloc_type;
 
   if (verbose > 1)
     {

nuttx/TODO

@@ -431,8 +431,10 @@ o Binary loaders (binfmt/)
                be done.  One question that I have is does this apply to all kinds of .rodata? 
                Or just to .rodata.str1.1?
   
-  Status:      Open.  Many of the required changes are in place but, unfortunately, not enought
-               go be fully functional.
+  Status:      Open.  Many of the required changes are in place but, unfortunately, not enough
+               go be fully functional.  I think all of the I-Space-to-I-Space fixes are in place.
+               However, the generated code also includes PC-relative references to .bss which
+               just cannot be done.
   Priority:    Medium.  The workaround for now is to use the older, 4.3.3 OABI compiler.
 
 o Network (net/, drivers/net)

nuttx/configs/eagle100/README.txt

@@ -147,6 +147,12 @@ NuttX EABI "buildroot" Toolchain
   details PLUS some special instructions that you will need to follow if you are
   building a Cortex-M3 toolchain for Cygwin under Windows.
 
+  NOTE:  Unfortunately, the 4.6.3 EABI toolchain is not compatible with the
+  the NXFLAT tools.  See the top-level TODO file (under "Binary loaders") for
+  more information about this problem. If you plan to use NXFLAT, please do not
+  use the GCC 4.6.3 EABI toochain; instead use the GCC 4.3.3 OABI toolchain.
+  See instructions below.
+
 NuttX OABI "buildroot" Toolchain
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 

nuttx/configs/ekk-lm3s9b96/README.txt

@@ -225,6 +225,12 @@ NuttX EABI "buildroot" Toolchain
   details PLUS some special instructions that you will need to follow if you
   are building a Cortex-M3 toolchain for Cygwin under Windows.
 
+  NOTE:  Unfortunately, the 4.6.3 EABI toolchain is not compatible with the
+  the NXFLAT tools.  See the top-level TODO file (under "Binary loaders") for
+  more information about this problem. If you plan to use NXFLAT, please do not
+  use the GCC 4.6.3 EABI toochain; instead use the GCC 4.3.3 OABI toolchain.
+  See instructions below.
+
 NuttX OABI "buildroot" Toolchain
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 

nuttx/configs/fire-stm32v2/README.txt

@@ -347,6 +347,12 @@ NuttX EABI "buildroot" Toolchain
   details PLUS some special instructions that you will need to follow if you are
   building a Cortex-M3 toolchain for Cygwin under Windows.
 
+  NOTE:  Unfortunately, the 4.6.3 EABI toolchain is not compatible with the
+  the NXFLAT tools.  See the top-level TODO file (under "Binary loaders") for
+  more information about this problem. If you plan to use NXFLAT, please do not
+  use the GCC 4.6.3 EABI toochain; instead use the GCC 4.3.3 OABI toolchain.
+  See instructions below.
+
 NuttX OABI "buildroot" Toolchain
 ================================
 

nuttx/configs/hymini-stm32v/README.txt

@@ -167,6 +167,12 @@ NuttX EABI "buildroot" Toolchain
   details PLUS some special instructions that you will need to follow if you are
   building a Cortex-M3 toolchain for Cygwin under Windows.
 
+  NOTE:  Unfortunately, the 4.6.3 EABI toolchain is not compatible with the
+  the NXFLAT tools.  See the top-level TODO file (under "Binary loaders") for
+  more information about this problem. If you plan to use NXFLAT, please do not
+  use the GCC 4.6.3 EABI toochain; instead use the GCC 4.3.3 OABI toolchain.
+  See instructions below.
+
 NuttX OABI "buildroot" Toolchain
 ================================
 

nuttx/configs/kwikstik-k40/README.txt

@@ -290,6 +290,12 @@ NuttX EABI "buildroot" Toolchain
   details PLUS some special instructions that you will need to follow if you are
   building a Cortex-M4 toolchain for Cygwin under Windows.
 
+  NOTE:  Unfortunately, the 4.6.3 EABI toolchain is not compatible with the
+  the NXFLAT tools.  See the top-level TODO file (under "Binary loaders") for
+  more information about this problem. If you plan to use NXFLAT, please do not
+  use the GCC 4.6.3 EABI toochain; instead use the GCC 4.3.3 OABI toolchain.
+  See instructions below.
+
 NuttX OABI "buildroot" Toolchain
 ================================
 

nuttx/configs/lincoln60/README.txt

@@ -189,6 +189,12 @@ NuttX EABI "buildroot" Toolchain
   details PLUS some special instructions that you will need to follow if you
   are building a Cortex-M3 toolchain for Cygwin under Windows.
 
+  NOTE:  Unfortunately, the 4.6.3 EABI toolchain is not compatible with the
+  the NXFLAT tools.  See the top-level TODO file (under "Binary loaders") for
+  more information about this problem. If you plan to use NXFLAT, please do not
+  use the GCC 4.6.3 EABI toochain; instead use the GCC 4.3.3 OABI toolchain.
+  See instructions below.
+
 NuttX OABI "buildroot" Toolchain
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 

nuttx/configs/lm3s6432-s2e/README.txt

@@ -219,6 +219,12 @@ NuttX EABI "buildroot" Toolchain
   details PLUS some special instructions that you will need to follow if you
   are building a Cortex-M3 toolchain for Cygwin under Windows.
 
+  NOTE:  Unfortunately, the 4.6.3 EABI toolchain is not compatible with the
+  the NXFLAT tools.  See the top-level TODO file (under "Binary loaders") for
+  more information about this problem. If you plan to use NXFLAT, please do not
+  use the GCC 4.6.3 EABI toochain; instead use the GCC 4.3.3 OABI toolchain.
+  See instructions below.
+
 NuttX OABI "buildroot" Toolchain
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 

nuttx/configs/lm3s6965-ek/README.txt

@@ -249,7 +249,11 @@ NuttX EABI "buildroot" Toolchain
   details PLUS some special instructions that you will need to follow if you
   are building a Cortex-M3 toolchain for Cygwin under Windows.
 
-  NOTE: This is an OABI toolchain.
+  NOTE:  Unfortunately, the 4.6.3 EABI toolchain is not compatible with the
+  the NXFLAT tools.  See the top-level TODO file (under "Binary loaders") for
+  more information about this problem. If you plan to use NXFLAT, please do not
+  use the GCC 4.6.3 EABI toochain; instead use the GCC 4.3.3 OABI toolchain.
+  See instructions below.
 
 NuttX OABI "buildroot" Toolchain
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

nuttx/configs/lm3s8962-ek/README.txt

@@ -233,7 +233,11 @@ NuttX EABI "buildroot" Toolchain
   details PLUS some special instructions that you will need to follow if you
   are building a Cortex-M3 toolchain for Cygwin under Windows.
 
-  NOTE: This is an OABI toolchain.
+  NOTE:  Unfortunately, the 4.6.3 EABI toolchain is not compatible with the
+  the NXFLAT tools.  See the top-level TODO file (under "Binary loaders") for
+  more information about this problem. If you plan to use NXFLAT, please do not
+  use the GCC 4.6.3 EABI toochain; instead use the GCC 4.3.3 OABI toolchain.
+  See instructions below.
 
 NuttX OABI "buildroot" Toolchain
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

nuttx/configs/lpc4330-xplorer/README.txt

@@ -501,6 +501,12 @@ NuttX EABI "buildroot" Toolchain
   details PLUS some special instructions that you will need to follow if you
   are building a Cortex-M3 toolchain for Cygwin under Windows.
 
+  NOTE:  Unfortunately, the 4.6.3 EABI toolchain is not compatible with the
+  the NXFLAT tools.  See the top-level TODO file (under "Binary loaders") for
+  more information about this problem. If you plan to use NXFLAT, please do not
+  use the GCC 4.6.3 EABI toochain; instead use the GCC 4.3.3 OABI toolchain.
+  See instructions below.
+
 NuttX OABI "buildroot" Toolchain
 ================================
 

nuttx/configs/lpcxpresso-lpc1768/README.txt

@@ -445,6 +445,12 @@ NuttX EABI "buildroot" Toolchain
   details PLUS some special instructions that you will need to follow if you
   are building a Cortex-M3 toolchain for Cygwin under Windows.
 
+  NOTE:  Unfortunately, the 4.6.3 EABI toolchain is not compatible with the
+  the NXFLAT tools.  See the top-level TODO file (under "Binary loaders") for
+  more information about this problem. If you plan to use NXFLAT, please do not
+  use the GCC 4.6.3 EABI toochain; instead use the GCC 4.3.3 OABI toolchain.
+  See instructions below.
+
 NuttX OABI "buildroot" Toolchain
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 

nuttx/configs/mbed/README.txt

@@ -159,6 +159,12 @@ NuttX EABI "buildroot" Toolchain
   details PLUS some special instructions that you will need to follow if you
   are building a Cortex-M3 toolchain for Cygwin under Windows.
 
+  NOTE:  Unfortunately, the 4.6.3 EABI toolchain is not compatible with the
+  the NXFLAT tools.  See the top-level TODO file (under "Binary loaders") for
+  more information about this problem. If you plan to use NXFLAT, please do not
+  use the GCC 4.6.3 EABI toochain; instead use the GCC 4.3.3 OABI toolchain.
+  See instructions below.
+
 NuttX OABI "buildroot" Toolchain
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 

nuttx/configs/nucleus2g/README.txt

@@ -219,6 +219,12 @@ NuttX EABI "buildroot" Toolchain
   details PLUS some special instructions that you will need to follow if you
   are building a Cortex-M3 toolchain for Cygwin under Windows.
 
+  NOTE:  Unfortunately, the 4.6.3 EABI toolchain is not compatible with the
+  the NXFLAT tools.  See the top-level TODO file (under "Binary loaders") for
+  more information about this problem. If you plan to use NXFLAT, please do not
+  use the GCC 4.6.3 EABI toochain; instead use the GCC 4.3.3 OABI toolchain.
+  See instructions below.
+
 NuttX OABI "buildroot" Toolchain
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 

nuttx/configs/olimex-lpc1766stk/README.txt

@@ -307,6 +307,12 @@ NuttX EABI "buildroot" Toolchain
   details PLUS some special instructions that you will need to follow if you
   are building a Cortex-M3 toolchain for Cygwin under Windows.
 
+  NOTE:  Unfortunately, the 4.6.3 EABI toolchain is not compatible with the
+  the NXFLAT tools.  See the top-level TODO file (under "Binary loaders") for
+  more information about this problem. If you plan to use NXFLAT, please do not
+  use the GCC 4.6.3 EABI toochain; instead use the GCC 4.3.3 OABI toolchain.
+  See instructions below.
+
 NuttX OABI "buildroot" Toolchain
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 

nuttx/configs/sam3u-ek/README.txt

@@ -162,6 +162,12 @@ NuttX EABI "buildroot" Toolchain
   details PLUS some special instructions that you will need to follow if you are
   building a Cortex-M3 toolchain for Cygwin under Windows.
 
+  NOTE:  Unfortunately, the 4.6.3 EABI toolchain is not compatible with the
+  the NXFLAT tools.  See the top-level TODO file (under "Binary loaders") for
+  more information about this problem. If you plan to use NXFLAT, please do not
+  use the GCC 4.6.3 EABI toochain; instead use the GCC 4.3.3 OABI toolchain.
+  See instructions below.
+
 NuttX OABI "buildroot" Toolchain
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 

nuttx/configs/shenzhou/README.txt

@@ -384,6 +384,12 @@ NuttX EABI buildroot Toolchain
   detailed PLUS some special instructions that you will need to follow if you are
   building a Cortex-M3 toolchain for Cygwin under Windows.
 
+  NOTE:  Unfortunately, the 4.6.3 EABI toolchain is not compatible with the
+  the NXFLAT tools.  See the top-level TODO file (under "Binary loaders") for
+  more information about this problem. If you plan to use NXFLAT, please do not
+  use the GCC 4.6.3 EABI toochain; instead use the GCC 4.3.3 OABI toolchain.
+  See instructions below.
+
 NuttX OABI "buildroot" Toolchain
 ================================
 

nuttx/configs/stm3210e-eval/README.txt

@@ -170,6 +170,12 @@ NuttX EABI "buildroot" Toolchain
   details PLUS some special instructions that you will need to follow if you are
   building a Cortex-M3 toolchain for Cygwin under Windows.
 
+  NOTE:  Unfortunately, the 4.6.3 EABI toolchain is not compatible with the
+  the NXFLAT tools.  See the top-level TODO file (under "Binary loaders") for
+  more information about this problem. If you plan to use NXFLAT, please do not
+  use the GCC 4.6.3 EABI toochain; instead use the GCC 4.3.3 OABI toolchain.
+  See instructions below.
+
 NuttX OABI "buildroot" Toolchain
 ================================
 

nuttx/configs/stm3220g-eval/README.txt

@@ -209,6 +209,12 @@ NuttX EABI "buildroot" Toolchain
   details PLUS some special instructions that you will need to follow if you are
   building a Cortex-M3 toolchain for Cygwin under Windows.
 
+  NOTE:  Unfortunately, the 4.6.3 EABI toolchain is not compatible with the
+  the NXFLAT tools.  See the top-level TODO file (under "Binary loaders") for
+  more information about this problem. If you plan to use NXFLAT, please do not
+  use the GCC 4.6.3 EABI toochain; instead use the GCC 4.3.3 OABI toolchain.
+  See instructions below.
+
 NuttX OABI "buildroot" Toolchain
 ================================
 

nuttx/configs/stm3240g-eval/README.txt

@@ -216,6 +216,12 @@ NuttX EABI "buildroot" Toolchain
   details PLUS some special instructions that you will need to follow if you are
   building a Cortex-M3 toolchain for Cygwin under Windows.
 
+  NOTE:  Unfortunately, the 4.6.3 EABI toolchain is not compatible with the
+  the NXFLAT tools.  See the top-level TODO file (under "Binary loaders") for
+  more information about this problem. If you plan to use NXFLAT, please do not
+  use the GCC 4.6.3 EABI toochain; instead use the GCC 4.3.3 OABI toolchain.
+  See instructions below.
+
 NuttX OABI "buildroot" Toolchain
 ================================
 

nuttx/configs/stm32f4discovery/README.txt

@@ -213,6 +213,12 @@ NuttX EABI "buildroot" Toolchain
   details PLUS some special instructions that you will need to follow if you are
   building a Cortex-M3 toolchain for Cygwin under Windows.
 
+  NOTE:  Unfortunately, the 4.6.3 EABI toolchain is not compatible with the
+  the NXFLAT tools.  See the top-level TODO file (under "Binary loaders") for
+  more information about this problem. If you plan to use NXFLAT, please do not
+  use the GCC 4.6.3 EABI toochain; instead use the GCC 4.3.3 OABI toolchain.
+  See instructions below.
+
 NuttX OABI "buildroot" Toolchain
 ================================
 

nuttx/configs/twr-k60n512/README.txt

@@ -427,6 +427,12 @@ NuttX EABI "buildroot" Toolchain
   details PLUS some special instructions that you will need to follow if you are
   building a Cortex-M4 toolchain for Cygwin under Windows.
 
+  NOTE:  Unfortunately, the 4.6.3 EABI toolchain is not compatible with the
+  the NXFLAT tools.  See the top-level TODO file (under "Binary loaders") for
+  more information about this problem. If you plan to use NXFLAT, please do not
+  use the GCC 4.6.3 EABI toochain; instead use the GCC 4.3.3 OABI toolchain.
+  See instructions below.
+
 NuttX OABI "buildroot" Toolchain
 ================================
 

nuttx/configs/vsn/README.txt

@@ -167,6 +167,12 @@ NuttX EABI "buildroot" Toolchain
   details PLUS some special instructions that you will need to follow if you are
   building a Cortex-M3 toolchain for Cygwin under Windows.
 
+  NOTE:  Unfortunately, the 4.6.3 EABI toolchain is not compatible with the
+  the NXFLAT tools.  See the top-level TODO file (under "Binary loaders") for
+  more information about this problem. If you plan to use NXFLAT, please do not
+  use the GCC 4.6.3 EABI toochain; instead use the GCC 4.3.3 OABI toolchain.
+  See instructions below.
+
 NuttX OABI "buildroot" Toolchain
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^