qualcomm/eld

eld should emit a diagnostic when LMA is unaligned

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#444 opened on Oct 6, 2025

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diagnosticsgood first issue

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Description

Currently eld does not emit a diagnostic if the LMA is unaligned

cat > 1.t << \!
SECTIONS {
  .foo (0x208) : AT(0x201) { *(.text.foo) }
}
!

cat > 1.c << \!
int foo() { return 0; }
!

hexagon-clang -c 1.c  -ffunction-sections
hexagon-link 1.o -T 1.t -Wlinker-script

Contributor guide

Research direction
Identify where the linker assigns LMA from AT() and add an alignment check that emits a diagnostic if the LMA is not properly aligned.
Tech stack
cpp
Domain
backend
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
C++Linker scripts
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40