473 questions
0
votes
0
answers
44
views
.elf file has no sections
I'm currently trying to recreate the blinky example using low-level C++ using vscode for the STM32F446RE Nucleo-64 board. I took the linkerscript and startup code from dwelch67's stm32 sample code and ...
- 21
3
votes
1
answer
33
views
Calling C function from the .init3 section of a AVR-GCC compiled program
I am working on a project that contains a firmware update failure feature that :
notifies user/host that firmware update failed whenever the device gets unplugged in the middle of a firmware update ...
0
votes
0
answers
17
views
How to control the memory distribution of INSERT SECTIONS when using INSERT in Linker Script
I have two linker scripts one for generating specific SECTIONS INSERT in my main linker script like this
SECTIONS {
.bss.extra : {
. = ALIGN(8);
__am_apps_bss_start = .;
*(__am_apps.bss*)...
0
votes
1
answer
107
views
How to Initialize memory section during startup?
I have allocated a memory section my_data in the linker file to store some shared variables. However, I noticed that after startup, I see some (???) values when I take a memory dump. Below is my ...
- 1,258
0
votes
0
answers
33
views
Problem custom linker script (ld) section that has WX bits
Premise:
I want to compile my Rust code with a custom linker script, cargo uses this script, and compiles and links my binary without any errors.
Problem:
I want to have a custom section in "...
0
votes
0
answers
34
views
Cortex M4/M7 linker script section placement
i'm working with an NXP RT1052 MCU that loads code from Flash into SDRAM and executes it there.
My application uses FreeRTOS+TCP and i'd like to place the network code inside the ITC SRAM.
The kernel ...
0
votes
0
answers
37
views
How can I prevent interleaving sections in a linker script?
I’m working with a linker script and I need to ensure that two specific sections, .feature.rodata and .feature.text, are placed contiguously in memory without any other sections (like .eh_frame) being ...
- 491
1
vote
0
answers
20
views
gnu ld linker script LONG() not placing value as expected (ARM Cortex-M3) [duplicate]
gnu .ld linker script --
I have added a MEMORY definition to hold a checksum:
_CRC_Value = 0x12345678;
MEMORY
{
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 80K
FLASH (rx) : ORIGIN = ...
1
vote
0
answers
42
views
GNU linker uses 0x200000000 as a base address for LMA and VMA
boot.s
.code16
.text
.global start
start:
jmp start
boot.ld
ENTRY(start)
SECTIONS
{
. = 0x00007C00; /* Set the location counter to 0x7C00 */
.text :
{
*(.text)
}
...
- 795
0
votes
1
answer
76
views
The use of linker files (.ld files) in embedded bare-metal programming
After the .LD file(linker file) of an embedded bare metal specifies that FLASH is not writable,
for example:
MEMORY {
{
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 64K
RAM (rwx) : ORIGIN = ...
1
vote
1
answer
146
views
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
0
votes
0
answers
98
views
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 ...
0
votes
0
answers
38
views
Gnu linker disregards linker script and pulls in unrequested code
I am writing a cpm-like os for a Cortex-m microprocessor (Ti Tiva-C) using Ti CCS v12 IDE.
It is a teaching/student project for junior students. The project will be divided in sub-project and ...
5
votes
1
answer
237
views
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
3
votes
1
answer
183
views
Data Integrity Issue with Custom .rawdata Section in Linker Script
I'm working on an embedded project using an ARM Cortex-M4 processor (specifically, an STM32F4 microcontroller) and I've encountered a peculiar issue related to memory sections defined in my linker ...
- 121