diff options
Diffstat (limited to 'ELF/LinkerScript.cpp')
| -rw-r--r-- | ELF/LinkerScript.cpp | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/ELF/LinkerScript.cpp b/ELF/LinkerScript.cpp index 8f50a977fd75c..33a618952456e 100644 --- a/ELF/LinkerScript.cpp +++ b/ELF/LinkerScript.cpp @@ -608,13 +608,6 @@ void LinkerScript::switchTo(OutputSection *Sec) { Ctx->OutSec = Sec; Ctx->OutSec->Addr = advance(0, Ctx->OutSec->Alignment); - - // If neither AT nor AT> is specified for an allocatable section, the linker - // will set the LMA such that the difference between VMA and LMA for the - // section is the same as the preceding output section in the same region - // https://sourceware.org/binutils/docs-2.20/ld/Output-Section-LMA.html - if (Ctx->LMAOffset) - Ctx->OutSec->LMAOffset = Ctx->LMAOffset(); } // This function searches for a memory region to place the given output @@ -662,17 +655,28 @@ void LinkerScript::assignOffsets(OutputSection *Sec) { if (Ctx->MemRegion) Dot = Ctx->MemRegionOffset[Ctx->MemRegion]; + switchTo(Sec); + if (Sec->LMAExpr) { uint64_t D = Dot; Ctx->LMAOffset = [=] { return Sec->LMAExpr().getValue() - D; }; } - switchTo(Sec); + if (!Sec->LMARegionName.empty()) { + if (MemoryRegion *MR = MemoryRegions.lookup(Sec->LMARegionName)) { + uint64_t Offset = MR->Origin - Dot; + Ctx->LMAOffset = [=] { return Offset; }; + } else { + error("memory region '" + Sec->LMARegionName + "' not declared"); + } + } - // We do not support custom layout for compressed debug sectons. - // At this point we already know their size and have compressed content. - if (Ctx->OutSec->Flags & SHF_COMPRESSED) - return; + // If neither AT nor AT> is specified for an allocatable section, the linker + // will set the LMA such that the difference between VMA and LMA for the + // section is the same as the preceding output section in the same region + // https://sourceware.org/binutils/docs-2.20/ld/Output-Section-LMA.html + if (Ctx->LMAOffset) + Ctx->OutSec->LMAOffset = Ctx->LMAOffset(); // The Size previously denoted how many InputSections had been added to this // section, and was used for sorting SHF_LINK_ORDER sections. Reset it to |