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[AIX][XCOFF] Output XCOFF object text section header and symbol entry for program code.

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SUMMARY
Original form of this patch is provided by Stefan Pintillie.

The patch try to output program code section header , symbol entry for program code (PR) and Instruction into the raw text section.
The patch include how to alignment and layout the CSection in the text section.
The patch also reorganize the code , put some codes into a function(XCOFFObjectWriter::writeSymbolTableEntryForControlSection)
Additional: We can not add raw data of text section test in the patch, If want to output raw text section data,it need a function description patch first.

Reviewers: hubert.reinterpretcast, sfertile, jasonliu, xingxue.
Subscribers: wuzish, nemanjai, hiraditya, MaskRay, jsjji.

Differential Revision: https://reviews.llvm.org/D66969

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@374914 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Digger Lin
2019-10-15 17:09:54 +00:00
parent e7c9c5bebd
commit 8227f47176
1 changed files with 11 additions and 0 deletions
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test/CodeGen/PowerPC/aix-return55.ll
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; RUN: llc -mcpu=pwr9 -mtriple=powerpc-ibm-aix-xcoff -verify-machineinstrs < %s | FileCheck %s
define dso_local signext i32 @foo() {
entry:
ret i32 55
; CHECK-LABEL: .foo:
; CHECK: li 3, 55
; CHECK: blr
}