Hi,

Can you tell us your github account and the branch in which you are
currently having trouble so that we can reproduce the errors?

Masayuki

________________________________
From: Anjana <anj...@tataelxsi.co.in.INVALID>
Sent: Thursday, June 18, 2020 15:23
To: dev@nuttx.apache.org <dev@nuttx.apache.org>
Subject: Re: ELF Application Example(apps/examples/elf) undefined references 
issue in symtab.c

Yes, I have added CELFFLAGS, CELFFLAGS, LDELFFLAGS in Make.defs file

________________________________
From: Ishikawa, Masayuki (SHES) <masayuki.ishik...@sony.com>
Sent: 18 June 2020 11:33
To: dev@nuttx.apache.org <dev@nuttx.apache.org>
Subject: Re: ELF Application Example(apps/examples/elf) undefined references 
issue in symtab.c

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Hi Anjana,

Did you add some flags (i.e. CELFFLAGS, CXXELFFLAGS and LDELFFLAGS) to 
scripts/Make.defs?
The flags are needed to build elf modules.

Regards,
Masayuki

________________________________
差出人: Anjana <anj...@tataelxsi.co.in.INVALID>
送信日時: 2020年6月18日 14:38
宛先: dev@nuttx.apache.org <dev@nuttx.apache.org>
件名: ELF Application Example(apps/examples/elf) undefined references issue in 
symtab.c

Hello Team,

I have added ELF Binary Loader support for RX65N target.

I am currently testing my implementation using the apps/examples/elf/ example .

When I enable the apps/examples/elf/ example application, and compile, I am 
getting the below error in symtab.c (Symbol Table)

 
C:\cygwin64\home\USER\PR_To_Apache\Binary_Loader\incubator-nuttx\staging\libapps.a(symtab.home.USER.PR_To_Apache.Binary_Loader.incubator-nuttx-apps.examples.elf.o):(.rodata.g_elf_exports+0x14):
 undefined reference to `_fflush'
C:\cygwin64\home\USER\PR_To_Apache\Binary_Loader\incubator-nuttx\staging\libapps.a(symtab.home.USER.PR_To_Apache.Binary_Loader.incubator-nuttx-apps.examples.elf.o):(.rodata.g_elf_exports+0x1c):
 undefined reference to `_fopen'
C:\cygwin64\home\USER\PR_To_Apache\Binary_Loader\incubator-nuttx\staging\libapps.a(symtab.home.USER.PR_To_Apache.Binary_Loader.incubator-nuttx-apps.examples.elf.o):(.rodata.g_elf_exports+0x24):
 undefined reference to `_fprintf'
C:\cygwin64\home\USER\PR_To_Apache\Binary_Loader\incubator-nuttx\staging\libapps.a(symtab.home.USER.PR_To_Apache.Binary_Loader.incubator-nuttx-apps.examples.elf.o):(.rodata.g_elf_exports+0x2c):
 undefined reference to `_getpid'
C:\cygwin64\home\USER\PR_To_Apache\Binary_Loader\incubator-nuttx\staging\libapps.a(symtab.home.USER.PR_To_Apache.Binary_Loader.incubator-nuttx-apps.examples.elf.o):(.rodata.g_elf_exports+0x34):
 undefined reference to `_kill'
C:\cygwin64\home\USER\PR_To_Apache\Binary_Loader\incubator-nuttx\staging\libapps.a(symtab.home.USER.PR_To_Apache.Binary_Loader.incubator-nuttx-apps.examples.elf.o):(.rodata.g_elf_exports+0x3c):
 undefined reference to `_longjmp'
C:\cygwin64\home\USER\PR_To_Apache\Binary_Loader\incubator-nuttx\staging\libapps.a(symtab.home.USER.PR_To_Apache.Binary_Loader.incubator-nuttx-apps.examples.elf.o):(.rodata.g_elf_exports+0x44):
 undefined reference to `_memset'
C:\cygwin64\home\USER\PR_To_Apache\Binary_Loader\incubator-nuttx\staging\libapps.a(symtab.home.USER.PR_To_Apache.Binary_Loader.incubator-nuttx-apps.examples.elf.o):(.rodata.g_elf_exports+0x4c):
 undefined reference to `_nxsched_get_streams'
C:\cygwin64\home\USER\PR_To_Apache\Binary_Loader\incubator-nuttx\staging\libapps.a(symtab.home.USER.PR_To_Apache.Binary_Loader.incubator-nuttx-apps.examples.elf.o):(.rodata.g_elf_exports+0x54):
 undefined reference to `_printf'
C:\cygwin64\home\USER\PR_To_Apache\Binary_Loader\incubator-nuttx\staging\libapps.a(symtab.home.USER.PR_To_Apache.Binary_Loader.incubator-nuttx-apps.examples.elf.o):(.rodata.g_elf_exports+0x5c):
 undefined reference to `_pthread_attr_init'
C:\cygwin64\home\USER\PR_To_Apache\Binary_Loader\incubator-nuttx\staging\libapps.a(symtab.home.USER.PR_To_Apache.Binary_Loader.incubator-nuttx-apps.examples.elf.o):(.rodata.g_elf_exports+0x64):
 undefined reference to `_pthread_create'
C:\cygwin64\home\USER\PR_To_Apache\Binary_Loader\incubator-nuttx\staging\libapps.a(symtab.home.USER.PR_To_Apache.Binary_Loader.incubator-nuttx-apps.examples.elf.o):(.rodata.g_elf_exports+0x6c):
 undefined reference to `_pthread_exit'
C:\cygwin64\home\USER\PR_To_Apache\Binary_Loader\incubator-nuttx\staging\libapps.a(symtab.home.USER.PR_To_Apache.Binary_Loader.incubator-nuttx-apps.examples.elf.o):(.rodata.g_elf_exports+0x74):
 undefined reference to `_pthread_join'
.....
.....


The above error is obtained for all the symbols generated in symtab.c from 
mksymtab.sh.

Has anyone faced any similar issue?

Any help to resolve the issue would be really helpful.


Regards,

Anjana

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