All Questions
Tagged with linker-scripts c
143 questions
1
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1
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Identifiers with leading underscore defined in a linker script
Per the C standard section 7.1.3 Reserved identifiers
All identifiers that begin with an underscore are always reserved for use as identifiers with file scope in both the ordinary and tag name spaces....
- 18.3k
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98
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how to initialize my values in my table declare with an _attribute__((section())), of a section in my linker script
`Hello everyone,
I'm new in that domain (linker script and memory section).
I have an array that I want to declare in a section of my address space of my processor (neorv32). I do this for various ...
5
votes
1
answer
238
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How to set alignment of a brand new section
in a software project of mine, on linux, I need to create a special section that needs to be populated with 40 bytes large structures. Then I would like to treat this section as an array.
For that I ...
- 1,458
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Generate hex file from "c" program using riscv compiler , rodata must be aligned by 4 bytes
i want to generate hex file , that contains rodata as aligned 4 bytes . But my riscv compiler generate hex file ,that contains rodata as aligned 2 bytes. i have tried many methods
1.i have already ...
0
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1
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264
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Changing program flash memory address for S32K312 target
We had the application up and running fine on NXP S32K312 target when the program flash address was 0x00400000.
When we needed to change the program flash address to start at 0x00440000 in the linker ...
2
votes
1
answer
105
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unexpected memory corruption in baremetal environment
i have a simple 32 bit kernel which gets loaded succesfully by a bootloader shown below
[org 0x7c00]
; we can also alter the data segment register (ds) accordingly:
; mov ds, 0x7c0 (it will be 0x7c00 ...
- 55
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26
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Creating a variable under specific section
I'm using linker .ld file to create a section called SECVAR
.SECVAR : {
*(.SECVAR )
}
using the below command in my .c file to create a variable called Dummy under section:
unsigned short ...
- 21
1
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0
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167
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error due to section overlap in linker script
I am trying to compile a c program for baremetal riscv core. What I am trying to do is generate random values put them in a dynamic array and send them through ROCC instructions.
Here is the c program:...
- 66
1
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2
answers
144
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CC2538 bare metal project compile but doesn't work
I'm new to embedded development and I'm currently trying to develop a project for a custom board based on TI's CC2538SF53 microcontroller. I've based the code on some tutorials I've seen online and on ...
- 51
1
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1
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62
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How to add symbols from statically linked library to a particular section in linker script
Let's say I have a section in a linker script that describes some really fast ram:
.fastram __fastram_start : AT (__fastram_lma)
{
__fastram_start__ = ABSOLUTE(.) ;
*(.fastram....
- 41
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2
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529
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Utilizing same header file for linker script and C program, is it possible?
For example I want to place a special data in 0x100000000, 0x100100000, 0x100200000, ... and for this I want to do in a header file,
#define DATA_START 0x100000000
#define DATA_GAP 0x100000
#define ...
- 5,859
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245
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How can I set an "end of code" marker at the end of my binary?
I have a GNU linker script for my firmware with the following section defined:
.endc :
{
KEEP(*(.endc));
. = ALIGN(4);
_end_code_mark = .;
} >FLASH
This is the last time I'm ...
- 262
2
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0
answers
584
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Array alignment with different linkers
I'm working on a big embedded project and I'm facing an issue that I cannot explain with my limited knowledge of linkers.
I've managed to recreate the problem in a really simple program.
I have a ...
- 291
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53
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Use linker script to convert identifier from CamelCase to snake_case?
i am working on a C project using a snake_case syntax for naming my functions.
However, a lib i need to uses CamelCase for all of its function names.
To avoid doing a long header full of static inline ...
user17527282
0
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2
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397
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How to split code and data into 2 different ELF files?
I have a code for an embedded microncontroller in an FPGA that contains variables stored in the stack and I would like to seperate the code from those variables and put those into 2 ELF files. The ...
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