Re: REG : .dll issue - ReadList.com

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REG : .dll issue
\ syam prasad (23 Jul 2007)
. \ Jim Marshall (24 Jul 2007)

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Subject:	Re: REG : .dll issue
Group:	Gcc-help
From:	Jim Marshall
Date:	24 Jul 2007

syam prasad wrote:
> Hi,
>
> I am working on gcc version 3.4.4. I successfully compiled all the
> source files and able to build .exe and .dll. I am able to debug the
> code properly using gdb/ddd. But while I tried to simulate the code, I
> am facing problems. It is not able to simulate. .dll is not even
> loading into simulator. What might be the problem.
Are you getting a compiler/linker error or a runtime error? Sounds like,
from the above, that you are able to compile but the program fails to
find the dll. If that is the case you need to make sure the
LD_LIBRARY_PATH environment variable is setup so that it has the
location of the DLL in it.
>
> Here is the makefile.mk I am using,
>
> ########Makefile.mk
>
> #SHELL = /bin/sh
> VIEW_TAG =
>
> PLATFORM = 0
> SECURITY_LEVEL_OVERRIDE_FLAG = 0
> SIMPPC_TARGET_APP_FLAG = 0
>
> MAKEFILE = Makefile.mk
>
>
> # Engine Model is replaced by mkmf.pl script
> ENG_MODEL = usersb_engctrl
>
> # Engine Model is used to build other symbols
> NAME_OIL = $(ENG_MODEL)
> NAME_SUBSYSTEM = $(ENG_MODEL)_bdm
> DLD_SUBSYSTEM = $(ENG_MODEL)
> DLD_SUBSYSTEM_LIB = ss_lib_$(PLATFORM)
> DLD_SUBSYSTEM_MEMMAP_TARGET = ss_memmap_ram_$(PLATFORM)
> DLD_SUBSYSTEM_MEMMAP_SIMPPC = ss_memmap_simppc_$(PLATFORM)
> NAME_HCONV_OPT = $(DLD_SUBSYSTEM)
>
> TUNE_DIR = ./
> TUNE_DIR_CE = ./
> TUNE_DIR_BE = ./
>
> #-------------------------------------------------------------------------------
>
> # Object library macros.
> # Note that if PATH_LIB_OBJ isn't a relative path, then it will be
> required to
> # use the form: PATH_LIB_OBJ = $(VIEW_TAG)/desired_path
>
> PATH_LIB_OBJ = ../public
>
> # Object Name is replaced by mkmf.pl script based on existing library
> object file
> NAME_LIB_OBJ = mod_lib_a4
>
> # Define:
> # - TARGET_MCU: Target Processor: PPC555
> # - TARGET_OBJECT: Target object format: ELF
> # - TARGET_FP: Target floating point support: None
> # - TARGET_ENV: Target environment libraries: simple
>
> TARGET_MCU = PPC555
> TARGET_OBJECT = E
> TARGET_FP = N
> TARGET_ENV = simple
>
> TARGET_OPTIONS = $(TARGET_MCU)$(TARGET_OBJECT)$(TARGET_FP):$(TARGET_ENV)
>
> #-------------------------------------------------------------------------------
>
> # Suffix rules:
> # Remove default suffixes.
> # Then, define custom suffixes.
> # .o = objects
> # .i = preprocessor output only
> # .c = C files
> # .s = asm files
>
> .SUFFIXES:
> .SUFFIXES: .o .c .s .pp .ss
>
> .c.o:
> @echo "Compiling $< ..."
> $(CC) $(CFLAGS) -c $<
>
> .s.o:
> @echo "Assembling $< ..."
> $(AS) $(AFLAGS) $<
>
> .c.pp:
> @echo "Running preprocessor only..."
> $(CC) -P $(CFLAGS) -C -o $@ $<
>
> .c.ss:
> @echo "Running assembly only..."
> $(CC) -S $(CFLAGS) -Xpass-source -o $@ $<
>
> #-------------------------------------------------------------------------------
>
>
>
> GCCPATH = "C:/cygwin/gcc"
> CC = $(GCCPATH)/bin/gcc
> AS = das
> AR = $(GCCPATH)/bin/ar
> LD = $(GCCPATH)/bin/ld
> DUMPER = ddump
>
>
> CFLAGS_OPTS = -D _DEBUG -D __WIN32__ -D __NUTC__ -D NDEBUG \
> -D SECURITY_LEVEL_OVERRIDE_FLAG=$(SECURITY_LEVEL_OVERRIDE_FLAG) \
> -D SIMPPC_TARGET_APP_FLAG=$(SIMPPC_TARGET_APP_FLAG)
>
> CFLAGS = \
> -B$(GCCPATH)/bin/ -B$(GCCPATH) \
> $(CFLAGS_OPTS) \
> -g \
> -I. \
> -I/cygdrive/D/xxxxx........./public \
>
> AFLAGS = \
> -g \
> -t$(TARGET_OPTIONS) \
> -I$(TUNE_DIR)
>
> ARFLAGS = -ru
>
> LDFLAGS =
>
> DEST = .
>
> EXTHDRS =
>
> HDRS =
>
> INSTALL = install
>
> ### Below file is to handle cotrol to simulator.
> OBJS = engctrl.o
>
>
> SRCS = engctrl.c
>
>
> #-------------------------------------------------------------------------------
>
> # Making executable
>
> prog: $(OBJS) $(MAKEFILE)
> $(CC) -o $(DLD_SUBSYSTEM).dll \
> -fPIC \
> -shared \
> $(OBJS) \
> /cygdrive/D/xxx/xxx....../xxxx.a \
> /cygdrive/D/xxx/xxx....../yyyy.a
>
>
>
> #-------------------------------------------------------------------------------
>
> # make Objects only
>
> objects: $(OBJS) $(MAKEFILE)
>
> #-------------------------------------------------------------------------------
>
> # other targets
> #-------------------------------------------------------------------------------
>
>
> #-------------------------------------------------------------------------------
>
> # MACRO for preprocessor only.
>
> PPO = $(OBJS:.o=.pp)
>
> ppo: $(PPO) $(MAKEFILE)
>
> #-------------------------------------------------------------------------------
>
> # MACRO for assembly listings only.
>
> SSO = $(OBJS:.o=.ss)
>
> sso: $(SSO) $(MAKEFILE)
>
> touch:; @echo "Touching sources..."
> @touch $(SRCS)
>
> clean:; @echo "Removing all targets..."
> @rm *.o *.pp *.ss \
> *.elf *.mot *.s19
>
> clean_elf:; @echo "Removing *.elf targets..."
> @rm *.elf
>
> clean_mot:; @echo "Removing *.mot targets..."
> @rm *.mot
>
> clean_s19:; @echo "Removing *.s19 targets..."
> @rm *.s19
>
> clean_obj:; @echo "Removing *.o targets..."
> @rm *.o
>
> clean_ppo:; @echo "Removing *.pp targets..."
> @rm *.pp
>
> clean_sso:; @echo "Removing *.ss targets..."
> @rm *.ss
>
> depend:
> @echo "Dependencies..." \
> @echo $(HDRS) $(SRCS)
>
> index:; @ctags -wx $(HDRS) $(SRCS)
>
> print:; @$(PRINT) $(HDRS) $(SRCS)
>
> tags: $(HDRS) $(SRCS)
> @ctags $(HDRS) $(SRCS)
>
>
> Regards,
> Syam.
>