66691de94c
Non-allocatable sections are not part of the memory image of the program, so there is no need to find memory regions for them either matching properties or handling explicit assignments. The early test and return help to simplify LinkerScript::findMemoryRegion() a bit. Differential Revision: https://reviews.llvm.org/D113768
49 lines
1.1 KiB
Plaintext
49 lines
1.1 KiB
Plaintext
REQUIRES: x86
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RUN: split-file %s %ts
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RUN: llvm-mc -filetype=obj -triple=x86_64 %ts/s -o %t.o
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## Check that a non-allocatable section is not assigned to a memory region by
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## matching the section/region properties. Previously, that could lead to an
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## "error: section '.nonalloc' will not fit in region 'RAM'".
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RUN: ld.lld %t.o -T %ts/t --fatal-warnings -o /dev/null
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## Check that an explicit assignment is ignored for a non-allocatable section.
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## Previously, that also could lead to the same error.
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RUN: ld.lld %t.o -T %ts/t2 -o /dev/null 2>&1 | FileCheck %s --check-prefix=WARN
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WARN: warning: ignoring memory region assignment for non-allocatable section '.nonalloc'
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#--- s
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.global _start
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_start:
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## Note: a "writable" section is used because lld does not fully support
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## memory region attribute "r" at the moment.
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.section .nonalloc,"w"
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.zero 0x1000
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#--- t
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MEMORY
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{
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RAM (rwx) : ORIGIN = 0x8000, LENGTH = 0x100
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}
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SECTIONS
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{
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.nonalloc : { *(.nonalloc) }
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}
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#--- t2
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MEMORY
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{
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RAM (rwx) : ORIGIN = 0x8000, LENGTH = 0x100
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}
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SECTIONS
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{
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.nonalloc : { *(.nonalloc) } > RAM
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}
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