Where can I find the actual linker script and settings gcc uses? Things I've tried: For concreteness, let's consider a small program: empty.c int main(void) { return 0; } build it static...

I have a linker script like this: OUTPUT_FORMAT(binary) SECTIONS { . = 0xFFFF800000000000 ; .startup_text : { processor.o(.text) } .text : { *(EXCLUDE_FILE (processor.o) .text) } .data : { *(....

What does the ALIGN keyword do in linker scripts? I read many tutorials about linker scripts but I cant understand what really ALIGN do. Can any one explain it simply. Thanks!

Q1 What is the difference between Program header and Section Header in ELF? Q1.1 What is the difference between segment and a section? I believe pheaders point to sections only. Q2. What is the dif...

I'm constructing a linker script for a bare metal application running on the STM32F3Discovery board. It uses the startup code from the CMSIS drivers located in the STM32Cube_FW_F3 package, precisel...

I am trying to figure out how to access the build-id generated by the linker at runtime. From this page, https://linux.die.net/man/1/ld When I build a test program like: % gcc test.c -o test -Wl...

I'm working on an Arm bare-metal application and I've marked some sections with NOLOAD. According to the explanation in Understanding linker script NOLOAD sections in embedded software , I expected...

I have the following linker script: .data & .bss are placed into ram, then a .heap section fills the remaining memory. Now I want to add a .noinit section that always gets placed at the end of...

I'm working on a university project where I'm writing software for an Atmel SAM7S256 microcontroller from the ground up. This is more in depth than other MCUs I've worked with before, as a knowledg...

I was learning about linking scripts from the text "Operating Systems from 0 to 1", and in the text they showed an example of using the keyword PHDRS as so; ENTRY(main); PHDRS { header...

TL;DR: Can I use a GNU ld linker --version-script or some other method to promote selected symbols with hidden visibility (due to -fvisibility=hidden or an explicit __attribute__) back to default v...

I viewed the source code of __libc_init_array from http://newlib.sourcearchive.com/documentation/1.18.0/init_8c-source.html . But I don't quite understand what this function does. I know that the...

Some platforms mandate that you provide a list of a shared library's external symbols to the linker. However, on most unixish systems that's not necessary: all non-static symbols will be available ...

I am working on Contiki 2.7 with the mbxxx target. While building my code the linker complained about an overlap of .ARM.exidx and .data sections. After some tinkering around with the linker script...

Hello I have a linker script in which i found this code "__exidx_start = .;" which sets label value to the value of location counter ".". This label isn't used anywhere within the same linker scrip...

The GNU ld (linker script) manual Section 3.5.5 Source Code Reference has some really important information on how to access linker script "variables" (which are actually just integer add...

I have searched far and wide for how to do this and have failed to come up with an answer. My memory layout is as follows: Fake Address | Section 0 | text 7 | relocate 15 | bss 23 | stack A...

The LD manual does not explain what the KEEP command does. Below is a snippet from a third-party linker script that features KEEP. What does the KEEP command do in ld? SECTIONS { .text : { . =...

Are there conditional statements for the GNU LD linker command language? Context: I am developing firmware for an arm cortex m0+, which consists of a bootloader and an application. Both are compil...

I'm trying to create a minimal C example on a boot sector for educational purposes. However, I noticed that my example was not being recognized as a boot sector because he magic 0x55aa bytes were ...

I'm modifying an existing .ld and I have two flash sections for the code. These two flash sections are not contiguous so I cannot merely extend the definition of one of the sections to include the ...

I'm trying to understand deeper linking process and linker scripts...looking at binutils doc i found a simple linker script implementation that i've improved by adding some commands: OUTPUT_FORMAT...

I know that the RAM-memory in the latest STM32 microcontrollers contains several sections with remarkable speed differences. That's why I'm trying to wrap my head around the linkerscripts for these...

I want to create a section in RAM, allocate a specific size and place it an an address? Is it possible to do all these operations without passing a linker script "file" or w/o modifying the existin...

I'm building a tiny microcontroller with only the bare essentials for self-educational purposes. This way, I can refresh my knowledge about topics like the linkerscript, the startup code, ... ED...