Add `pie` as another `relocation-model` value by hlopko · Pull Request #88820 · rust-lang/rust

hlopko · 2021-09-10T14:04:06Z

rust-highfive · 2021-09-10T14:04:09Z

Thanks for the pull request, and welcome! The Rust team is excited to review your changes, and you should hear from @wesleywiser (or someone else) soon.

Please see the contribution instructions for more information.

rust-highfive · 2021-09-10T14:04:10Z

⚠️Warning⚠️

These commits modify compiler targets. (See the Target Tier Policy.)

hlopko · 2021-09-10T14:52:52Z

And I discovered a bug already - external functions should not be marked dso_local. I will add a fix and a test.

wesleywiser · 2021-09-20T15:35:54Z

r? @petrochenkov or @tmandry

petrochenkov · 2021-09-22T14:17:59Z

Also fn link_output_kind needs to be updated to treat pie in the same way as pic.

petrochenkov · 2021-09-24T12:48:03Z

r=me with commits squashed.

hlopko · 2021-09-27T07:15:22Z

(ftr, I believe I addressed all the comments, maybe I need to comment so bors continues with the r= command?)

bjorn3 · 2021-09-27T07:34:44Z

The comments haven't been squashed into a single commit yet. Once that is done someone with review permission will need to tell bors to merge this PR.

hlopko · 2021-09-27T07:38:11Z

@bjorn3 are you saying that I should squash the commits? Or bors is going to do that?

bjorn3 · 2021-09-27T07:47:57Z

You need to squash. Bors doesn't.

hlopko · 2021-09-27T08:34:12Z

I see, thank you! Done.

bjorn3 · 2021-09-27T08:45:50Z

@bors r=petrochenkov

bors · 2021-09-27T08:45:51Z

📌 Commit d033e9b2c8d0eff1a49f4283f5c623c9503cdf10 has been approved by petrochenkov

hlopko · 2021-09-28T12:05:30Z

@bors r=petrochenkov

bors · 2021-09-28T12:05:31Z

@hlopko: 🔑 Insufficient privileges: Not in reviewers

hlopko · 2021-09-28T12:05:45Z

Had to try :)

petrochenkov · 2021-09-28T13:42:05Z

@bors r+

bors · 2021-09-28T13:42:06Z

📌 Commit dea3ee1 has been approved by petrochenkov

…petrochenkov Add `pie` as another `relocation-model` value MCP: rust-lang/compiler-team#461

Manishearth · 2021-10-01T01:05:02Z

Failed in #89411 (comment) on x86_64-apple

@bors r-

---- [codegen] codegen/pie-relocation-model.rs stdout ----
error: verification with 'FileCheck' failed
status: exit status: 1
command: "/Users/runner/work/rust/rust/build/x86_64-apple-darwin/llvm/build/bin/FileCheck" "--input-file" "/Users/runner/work/rust/rust/build/x86_64-apple-darwin/test/codegen/pie-relocation-model/pie-relocation-model.ll" "/Users/runner/work/rust/rust/src/test/codegen/pie-relocation-model.rs" "--allow-unused-prefixes" "--check-prefixes" "CHECK,NONMSVC"
stdout:
------------------------------------------
------------------------------------------
stderr:
------------------------------------------
/Users/runner/work/rust/rust/src/test/codegen/pie-relocation-model.rs:7:11: error: CHECK: expected string not found in input
// CHECK: define dso_local i8 @call_foreign_fn()
^
/Users/runner/work/rust/rust/build/x86_64-apple-darwin/test/codegen/pie-relocation-model/pie-relocation-model.ll:1:1: note: scanning from here
; ModuleID = 'pie_relocation_model.8d7ed54a-cgu.0'
^
/Users/runner/work/rust/rust/build/x86_64-apple-darwin/test/codegen/pie-relocation-model/pie-relocation-model.ll:9:10: note: possible intended match here
%0 = tail call zeroext i8 @foreign_fn()
^
Input file: /Users/runner/work/rust/rust/build/x86_64-apple-darwin/test/codegen/pie-relocation-model/pie-relocation-model.ll
Check file: /Users/runner/work/rust/rust/src/test/codegen/pie-relocation-model.rs
-dump-input=help explains the following input dump.
Input was:
<<<<<<
1: ; ModuleID = 'pie_relocation_model.8d7ed54a-cgu.0' check:7'0 X~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
2: source_filename = "pie_relocation_model.8d7ed54a-cgu.0" check:7'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
3: target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" check:7'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
4: target triple = "x86_64-apple-macosx10.8.0" check:7'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
5: check:7'0 ~
6: ; Function Attrs: uwtable check:7'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~
7: define i8 @call_foreign_fn() unnamed_addr #0 { check:7'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
8: start: check:7'0 ~~~~~~~
9: %0 = tail call zeroext i8 @foreign_fn() check:7'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
check:7'1 ? possible intended match
10: ret i8 %0 check:7'0 ~~~~~~~~~~~
11: } check:7'0 ~~
12: check:7'0 ~
13: ; Function Attrs: uwtable check:7'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~
14: declare zeroext i8 @foreign_fn() unnamed_addr #0 check:7'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.
.
.
>>>>>>
------------------------------------------
failures:
[codegen] codegen/pie-relocation-model.rs

hlopko · 2021-10-01T06:11:05Z

Restricted the codegen test only to x86_64 linux, the test doesn't make sense on mac as functions are (almost?) never marked dso_local there. And I don't know of PIE makes any sense for Windows.

petrochenkov · 2021-10-01T08:29:26Z

@bors r+

bors · 2021-10-01T08:29:27Z

📌 Commit 198d907 has been approved by petrochenkov

…petrochenkov Add `pie` as another `relocation-model` value MCP: rust-lang/compiler-team#461

…arth Rollup of 6 pull requests Successful merges: - rust-lang#87868 (Added -Z randomize-layout flag) - rust-lang#88820 (Add `pie` as another `relocation-model` value) - rust-lang#89029 (feat(rustc_parse): recover from pre-RFC-2000 const generics syntax) - rust-lang#89322 (Reapply "Remove optimization_fuel_crate from Session") - rust-lang#89340 (Improve error message for `printf`-style format strings) - rust-lang#89415 (Correct caller/callsite confusion in inliner message) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup

rust-highfive assigned wesleywiser Sep 10, 2021

rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Sep 10, 2021

This was referenced Sep 10, 2021
Adding an option to force compiling a crate as PIE (instead of PIC) #87934
Closed
Add pie relocation-model rust-lang/compiler-team#461
Closed

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hlopko force-pushed the add_pie_relocation_model branch from 2954c0b to 23dd820Compare September 10, 2021 16:09

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apiraino added the T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. label Sep 13, 2021

wesleywiser reviewed Sep 20, 2021
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rust-highfive assigned petrochenkov and unassigned wesleywiser Sep 20, 2021

petrochenkov reviewed Sep 22, 2021
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Comment threadcompiler/rustc_codegen_llvm/src/back/write.rs Outdated
Comment threadcompiler/rustc_codegen_llvm/src/context.rs Outdated

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petrochenkov added the S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. label Sep 22, 2021

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hlopko force-pushed the add_pie_relocation_model branch from ff7d253 to d033e9bCompare September 27, 2021 07:52

bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Sep 28, 2021

Manishearth added a commit to Manishearth/rust that referenced this pull request Sep 30, 2021
Rollup merge ofrust-lang#88820- hlopko:add_pie_relocation_model, r=…
c65a1ea
…petrochenkov Add `pie` as another `relocation-model` value MCP: rust-lang/compiler-team#461

Manishearth mentioned this pull request Sep 30, 2021
Rollup of 10 pull requests #89402
Closed

Manishearth added a commit to Manishearth/rust that referenced this pull request Sep 30, 2021
Rollup merge ofrust-lang#88820- hlopko:add_pie_relocation_model, r=…
9ef84b4
…petrochenkov Add `pie` as another `relocation-model` value MCP: rust-lang/compiler-team#461

Manishearth mentioned this pull request Sep 30, 2021
Rollup of 9 pull requests #89411
Closed

bors added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Oct 1, 2021

Add pie as another relocation-model value
198d907

hlopko force-pushed the add_pie_relocation_model branch from dea3ee1 to 198d907Compare October 1, 2021 06:06

bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Oct 1, 2021

fee1-dead added a commit to fee1-dead-contrib/rust that referenced this pull request Oct 1, 2021
Rollup merge ofrust-lang#88820- hlopko:add_pie_relocation_model, r=…
d8ffbaf
…petrochenkov Add `pie` as another `relocation-model` value MCP: rust-lang/compiler-team#461

fee1-dead mentioned this pull request Oct 1, 2021
Rollup of 8 pull requests #89420
Closed

Manishearth mentioned this pull request Oct 1, 2021
Rollup of 6 pull requests #89435
Merged

bors merged commit 6f1e930 into rust-lang:masterOct 1, 2021

rustbot added this to the 1.57.0 milestone Oct 1, 2021

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