Greenhills link script to Gcc link script porting for ARM target
I have one application was compiled with Greenhills compiler before, I am trying to use arm-Gcc compiler to compile it, when I try to link the objects with link script (.LD), I got syntax error. I know...
View Article"Nonrepresentable section on output" when compiling GCC
I'm trying to compile the GCC from source with module-TS support and I cloned to the devel branch (as stated here) : git clone --branch devel/c++-modules git://gcc.gnu.org/git/gcc.git SRCDIR Here's my...
View ArticleIs this really a dependent template name?
I have some code that fails to compile, which I reduced to the following minimum version:class Builder { public: Builder() {} auto foo(int) -> Builder & { return *this; } template<typename...
View ArticleHaving a different version of a dependency based on a conan profile
We have several projects for an embedded Linux environments. We are switching to Conan for our dependency management. The shared libraries for these projects are turned into conan packages. These...
View Articleclang vs gcc: function lookup with operator overloads
in clang vs gcc trunk (as of March 2020) I find strange behaviour in function lookup (can you please educate me on how this is actually called, does it belong to overload resolution?) when using...
View ArticleWhy am I getting a "duplicate symbol" error for my functions in C?
I have three C files, main.c, function1.c, and function2.c. I compile them using gcc -o main main.c function1.c function2.c. I have a helper function helper() defined in function1.c. So function1.c...
View ArticleHow can I downgrade GCC 7.5 to 7.4 ? (Ubuntu 18.04)
I bought a Dell PowerEdge T430, which has no graphics cards, and installed an old Nvidia 6200 TurboCache card on it. It is recognized in the lspci | grep VGA command, but the drivers are not intalled.I...
View Articlegcc linking with dynamic libraries, undefined reference error
I'm making a program that needs to be linked to a third party SDK which comes in the form of header files and precompiled shared libraries. The program itself is simple, it just calls one function from...
View ArticleG++ 4.9.2 and 8.2.0 - final binary's dependency with default lib path...
I encountered an odd difference between the binary produced by a 4.9.2 G++ and a 8.2.0 G++ on a Linux, when upgrading from the former to the latter. I was able to narrow it down to the below minimized...
View ArticleUse ThreadSanitizer's Mutex names in code
I'm using GCC 9.2 TSan to analyze my codebase's runtime multithreading behavior (using pthreads explicitly -- we started before C++11). I have a data race while a destroyed mutex is held, with the...
View Articlegccgo, AIX: compiled .o files does not contain .go_export section
I am trying to build gccgo (9.2) on AIX and facing now a problem I can't solve.The machine: AIX 7.1, Processor Type: PowerPC_POWER7, CPU Type: 64-bit, Kernel Type: 64-bitThe Error: "./sync/atomic.gox...
View Articlepythia8240 code compiling: error adding symbols: DSO missing from command line
I'm compiling a code in Pythia, version 8.240 on Linux (Ubuntu 18.04`).Command im using is:$ make Analysistau1 the Makefile uses the following shell command:g++ -g -I$(pythiainc) -I$(tauolainc)...
View ArticleHow to disable GCC warnings for a few lines of code
In Visual C++, it's possible to use #pragma warning (disable: ...). Also I found that in GCC you can override per file compiler flags. How can I do this for "next line", or with push/pop semantics...
View Articlewhich MOV instructions in the x86 are not used or the least used, and can be...
I am modelling a custom MOV instruction in the X86 architecture in the gem5 simulator, to test its implementation on the simulator, I need to compile my C code using inline assembly to create a binary...
View ArticleError when using gcc (minGW) to build .exe with same filename?
I've been trying to build another .exe file with the same name in minGW, but everytime I run the command: gcc file.c -o file.exe I run into the problem...
View ArticleGcc Will Not Set Entry Point
I am trying to set my main function to be the first executable code in my program and to bypass the libc startup code. I want a very basic output so I can observe the assembly code generated. I'm...
View Articleld cannot find shared library even with -L specified
I'm trying to compile a C file against a shared library at a specific location (/home/user/cuda_sync_analyzer-install/lib/libInsertTimingInstr.so), but ld cannot seem to find it -$ gcc -g...
View ArticleGCC -T link option issue
I have compiled the project with arm-none-eabi-gcc to object with commandarm-none-eabi-gcc --specs=nosys.specs -mcpu=cortex-m7 -mtune=cortex-m7 -Os -g -gdwarf-2 -c $< -o $(@) currently I got the...
View ArticleStack is totally messed up by trying to produce a buffer overflow
after hours of debugging without any effort, I hope to find some help here on StackOverflow.I'm currently on a PTP training and due to the fact that I'm only using Linux, i also want to practice the...
View Articleerror : unknown use of instruction mnemonic without a size suffix
Here the entire source codevoid asmFunction() { unsigned char threshold[16]; initArray(threshold, 75-128, 16); unsigned char counterC2[16]; initArray(counterC2, 128, 16); unsigned char buffer[SIZE];...
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