gmane.comp.compilers.sdcc.user

Re: Linking code compiled under IAR workbench.

Maarten Brock — 2013-05-24T19:38:48

Hello Sid,

How well is your asm? You have some digging to do.

The reason for incompatibility is that there is no common calling 
convention. First you'll have to find out what the options were they 
used for building the blestack library. Then you'll have to find out 
what that means in terms of passing parameters and receiving return 
values. If there is anything located in memory instead of on stack, 
you'll have to reserve that space from SDCC. Then you must create 
wrapper functions around the library functions that make the 
conversion without disturbing the stack.

You can also try to find out who owns the blestack library. If it's 
TI's then they might be persuaded to also release it as an SDCC 
library. It's in their interest to sell IC's. But if it's IAR's who 
only gave this to TI to promote their own tools, then it's unlikely 
you can get it for SDCC.

Good luck,
Maarten




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Linking code compiled under IAR workbench.

Sid S — 2013-05-24T10:17:53

I am attempting to develop for the CC2540 device from Texas Instruments. It
has been noted the binary portions of their bluetooth stack that have been
released are not compatible with SDCC. What is the most likely reason for
such incompatibilities, and are they fixable with only object code?

With the files found on
http://www.ti.com/tool/ble-stack?DCMP=wbu-blestack&HQS=blestack (warning:
.exe autoextracter; look in "Projects/ble/Libraries") I was hoping to be
able to pinpoint any discrepancies by perusing the disassembly of the
object files and attempt a manual or semi-manual fix. I simply don't know
what to look for. The CC2540 is a good enough offering I'm willing to bend
over backwards a little.

Is this doable? What could possibly be different between IAR and SDCC code?
How hard would it be to, say, translate the object code/a raw disassembly
to a different memory model/whatever issue?

Thanks for your time.
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Re: : "Anatomy of a Compiler - A Retargetable ANSI-CCompiler"link broken in SDCC homepage

Maarten Brock — 2013-05-24T08:02:15

Hi,

Thanks for reporting. I've removed the link as even a search at 
circuitcellar itself did not find it. And it is still in the manual.

Greets,
Maarten



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Re: 答复: "Anatomy of a Compiler - A Retargetable ANSI-C Compiler"link broken in SDCC homepage

Ma Xiaojun — 2013-05-23T07:50:27

I see.


是的。

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答复: "Anatomy of a Compiler - A Retargetable ANSI-C Compiler"link broken in SDCC homepage

feqin fan — 2013-05-23T07:37:25

It's just the chapter 9 of sdcc user guide.

中国人？

-----原始邮件-----
发件人: "Ma Xiaojun" <damage3025-Re5JQEeQqe8AvxtiuMwx3w< at >public.gmane.org>
发送时间: ‎2013/‎5/‎23 13:24
收件人: "sdcc-user-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f< at >public.gmane.org" <sdcc-user< at >lists.sourceforge.net>
主题: [Sdcc-user] "Anatomy of a Compiler - A Retargetable ANSI-C Compiler"link broken in SDCC homepage

Hi, all.

A working link seems to be
http://embedded.ifmo.ru/sdk/sdk11/soft/sdcc/Dutta-121.pdf

Can anyone fix it?

Thank you in advance.

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"Anatomy of a Compiler - A Retargetable ANSI-C Compiler" link broken in SDCC homepage

Ma Xiaojun — 2013-05-23T05:23:12

Hi, all.

A working link seems to be
http://embedded.ifmo.ru/sdk/sdk11/soft/sdcc/Dutta-121.pdf

Can anyone fix it?

Thank you in advance.

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Re: SDCC 3.3.0 released

Raphael Neider — 2013-05-21T17:07:06

Hi,


Arrgh. I believe that I successfully built sdcc with gputils that did not
support excluded devices back then. I do not remember if I treated libio
specially ... And, yes, the list of 'new' devices has not been maintained
when new(er) devices have been added, which leads to the situation you
describe: some "older" devices are hidden whereas some "newer" ones are not.

Anyway, currently, there is more viable option at hand: The devices
supported by gputils are already auto-detected at configure time, so we
just (tm) need to generate proper automake conditionals from them and wrap
all device-specific stuff in these conditionals (libdev, libio) and --
voila -- we have a maintenance-free gputils-version-agnostic build system.
... or we would have, if someone found the time to implement it. This
should not be too hard since the Makefile.am are already auto-generated if
I am not mistaken...

Thanks for the report; maybe something good will come from it :-D

Best regards
Raphael
-------------------------------

Re: SDCC 3.3.0 released

Tijl Coosemans — 2013-05-21T09:31:25

Ok, I just found it peculiar, because only 18f*k22, added in gputils
0.14.x I think, were excluded, but pics added in gputils 0.15 and 1.0
weren't. Also, it's only libdev18f*k22 that is excluded, libio18f*k22
isn't.

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Re: SDCC 3.3.0 released

Raphael Neider — 2013-05-20T19:20:31

Hi Tijl,

It seems that in the src distribution some pic libraries (libdev18f*k22)

This is intentionally: Major distributions (used to) provide gputils
0.13.7, so that sdcc would default to not target devices that are not
supported by this version to avoid build failures. The option has been
introduced on 2012-04-22, shortly before sdcc 3.1.5. While I do not know if
the device list to be excluded by default is properly maintained, I just
checked the binary release and found that all libraries are included (at
least the 18f*k22 ones you mentioned). So the binary release seems to
complete.
If you have recent gputils installed on your box, you can rebuild sdcc from
source with --enable-new-pics and get support for all devices available in
sdcc. From the information below, I assume you did this ;-)



This is quite normal and due to the way the device specific libraries are
built: The device-specific options are simply prepended to the general
options, the latter include the default target device (-p18f452). Th

Re: SDCC 3.3.0 released

Tijl Coosemans — 2013-05-20T11:07:04

It seems that in the src distribution some pic libraries (libdev18f*k22)
got hidden behind --enable-new-pics configure flag. That wasn't the case
with 3.2.0.

I'm also seeing commands like the following with both -p18f2423 and
-p18f452. Is that correct?

source='adc/adcopen.c' object='libio18f2423_a-adcopen.o' libtool=no \
DEPDIR=.deps depmode=none /bin/sh ../depcomp \
'/usr/ports/head/lang/sdcc/work/sdcc-3.3.0/device/lib/pic16//../../../bin/sdcc' -DHAVE_CONFIG_H -I. -I..  -I. -I../../../include/pic16 -I../../../non-free/include/pic16 -I../../device/include -I../../device/include/mcs51 -p18f2423 --std-c99 --asm="'/usr/local/bin/gpasm'" --fomit-frame-pointer --obanksel=9 --denable-peeps --optimize-cmp --optimize-df --i-code-in-asm -DUSE_FLOATS=0 -mpic16 -p18f452 -c -o libio18f2423_a-adcopen.o `test -f 'adc/adcopen.c' || echo './'`adc/adcopen.c


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SDCC 3.3.0 released

Maarten Brock — 2013-05-19T22:38:46

Hello everyone,

Today the new version 3.3.0 of SDCC has been released.

As always the files can be downloaded from SourceForge:
https://sourceforge.net/projects/sdcc/files/

This time there is also an installer for 64 bit Windows. Unfortunately 
SourceForge cannot differentiate between 32 and 64 bit Windows when 
detecting your running Operating System, so 64 bit users will have to 
open the sdcc-win64 folder themselves.

I hope you all enjoy using this new version.

Maarten Brock

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gputils 1.2.0 released

Borut Ražem — 2013-05-19T09:46:14

Dear gputils users,

gputils-1.2.0 has been released. The source code package is available at 
http://sourceforge.net/projects/gputils/files/gputils/1.2.0/gputils-1.2.0.tar.gz. 
Widows 32bit setup package is at 
http://sourceforge.net/projects/gputils/files/gputils-win32/1.2.0/gputils-1.2.0.exe.

gputils 1.2.0 includes the following enhancements:

  * #61 - "__idlocs and __config generate line numbers" and
  * #58 Generate mpasm compatible .config sections
  * strengthened bad object format detection
  * inc and lkr files are synced with MPLABX 1.80

For detailed list of changes see the ChangeLog file.

If you find regressions or other bugs, please report them to the bug 
tracker on SourceForge. Feel free to give feedback on the gnupic mailing 
list.

Borut
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Re: SDCC 3.3.0 RC4 created

2013-05-18T16:40:35

Sorry, Maarten that I picked the wrong one. Unfortunately I do not have access to the system until Monday. Someone else would have to step in?

Greetings,
Frieder



Maarten Brock <sourceforge.brock< at >dse.nl> schrieb:

Re: SDCC 3.3.0 RC4 created

Maarten Brock — 2013-05-18T12:03:36

Hello Frieder,

Thank you, but could you please retry with 
sdcc-3.3.0-rc4-x64-setup.exe from
https://sourceforge.net/projects/sdcc/files/sdcc-win64/3.3.0/
as it was the rc that had problems.

Maarten



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Re: SDCC 3.3.0 RC4 created

Frieder Ferlemann — 2013-05-18T11:49:47

Hi Maarten,

Installation and compiling some small (mcs51) files with
sdcc-20130518-8610-x64-setup.exe (accepting all defaults)
went very smooth over here. (Win7 prof 64bit)

Thanks!
Frieder

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Re: PS

Maarten Brock — 2013-05-18T09:35:14

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SDCC 3.3.0 RC4 created

Maarten Brock — 2013-05-18T08:00:35

Hi everyone,

Today a new SDCC 3.3.0 Release Candidate (rc4) was uploaded for 64 bit 
Windows because the previous ones missed some vital files in the 
distribution.

Please test it if you can and report back so we can proceed with the 
official release this weekend if all is well now.

Thanks,
Maarten Brock

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Re: SDCC 3.3.0 RC3 created

Claude Sylvain — 2013-05-13T13:18:06

On 12/05/13 05:38 PM, Maarten Brock wrote:

 >
 > Hello SDCC friends,
 >
 > Today a third Release Candidate (RC3) for SDCC 3.3.0 was created and
 > put online in our SourceForge File section. It misses a few unnecessary
 > files ;-)
 > https://sourceforge.net/projects/sdcc/files/
 >
 > Like with RC2 a Windows 64-bit version has been added.
 >
 > Once again, if you have the time, please verify it and report back with
 > the positive or negative results.
 >
 > Happy programming,
 > Maarten Brock
 >

- Successfully build SDCC 3.3.0 RC3 from source on Cygwin 1.7.x.

- Successfully built / tested a Z80 program using SDCC 3.3.0 RC3
   (mentioned above).


 From a SDCC (Z80 target) user.

Claude




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SDCC 3.3.0 RC3 created

Maarten Brock — 2013-05-12T21:38:54

Hello SDCC friends,

Today a third Release Candidate (RC3) for SDCC 3.3.0 was created and 
put online in our SourceForge File section. It misses a few unnecessary 
files ;-)
https://sourceforge.net/projects/sdcc/files/

Like with RC2 a Windows 64-bit version has been added.

Once again, if you have the time, please verify it and report back with 
the positive or negative results.

Happy programming,
Maarten Brock


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Re: SDCC 3.3.0 RC2 created

Claude Sylvain — 2013-05-12T19:36:26

On 12/05/13 12:19 PM, Philipp Klaus Krause wrote:

 > On 12.05.2013 17:54, Claude Sylvain wrote:
 >>
 >> On 12/05/13 11:31 AM, Philipp Klaus Krause wrote:
 >>
 >>   >
 >>   > On 12.05.2013 17:01, Claude Sylvain wrote:
 >>   >
 >>   >>
 >>   >> - I use SDCC on Cygwin 1.7.x
 >>   >> - I use SDCC to built Z80 programs.
 >>   >>
 >>   >> - I have successfully built SDCC 3.3.0 RC2 from source on Cygwin.
 >>   >>
 >>   >> - However, when building a Z80 program, I noticed the following
 >>   >>     problem:
 >>   >>
 >>   >> - SDCC put "s__INITIALIZER" section (that hold some code)
 >>   >>   in the "_DATA" section (RAM located < at > 0x8000
 >>   >>   for the target I use).
 >>   >>
 >>   >> - I think this is a bug, because sections that hold code
 >>   >>     must be put in the "_CODE" section. Not in the
 >>   >>     "_DATA" section.
 >>   >>
 >>   >> - This bug was not there in SDCC 3.2.0.
 >>   >>     Also, in SDCC 3.2.0, there is no "s__INITIALIZER" section.
 >>   >>
 >>   >>
 >>   >>   From a SDCC user.
 >>

Re: SDCC 3.3.0 RC2 created

Philipp Klaus Krause — 2013-05-12T16:19:45


Yes. The INITIALIZER / INITIALIZED mechanism is the new (sdcc 3.3.0) way
to initialize global variables. It is much faster and smaller than what
we did before. However the crt0 needs to do the copy from INITIALIZER to
INITIALIZED.

In sdcc, an example crt0 can be found at device/lib/z80/crt0.s

Philipp

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