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OpenSSL windows asm question #7426

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indutny opened this issue Jun 26, 2016 · 7 comments
Closed

OpenSSL windows asm question #7426

indutny opened this issue Jun 26, 2016 · 7 comments
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openssl Issues and PRs related to the OpenSSL dependency. windows Issues and PRs related to the Windows platform.

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@indutny
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indutny commented Jun 26, 2016

Part 1

01fa5ee

What is the purpose of this? cc @piscisaureus

As far as I get it - GYP option may be used to enable this: https://github.com/svn2github/gyp/blob/e0ee72ddc7fb97eb33d530cf684efcbe4d27ecb3/test/win/ml-safeseh/ml-safeseh.gyp#L18-L20

Part 2

What is the purpose of /Zi? I know that it generates debug info, but can't see why it is needed. cc @piscisaureus again

cc @nodejs/collaborators just in case.

Reasoning

I'm thinking about removing rules from the gyp.js as I don't really like the feature bloat that it has. It looks like Node builds just fine without these rules
@indutny
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indutny commented Jun 26, 2016

For part 2 DebugInformationFormat option may be used as well.

@indutny indutny mentioned this issue Jun 26, 2016
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@indutny
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indutny commented Jun 26, 2016

Also, .asm files are supported by GYP since I don't know what time, so there is no reason to have extra rules for them.

@mscdex mscdex added windows Issues and PRs related to the Windows platform. openssl Issues and PRs related to the OpenSSL dependency. labels Jun 26, 2016
indutny added a commit that referenced this issue Jun 26, 2016
@indutny
deps: MASM.UseSafeExceptionHandlers for OpenSSL
eb57503 
Use `msvs_settings.MASM.UseSafeExceptionHandlers` when building OpenSSL
assembly code on Windows. This option appends `/safeseh` to the list of
assembler flags when building `.asm` files on Windows.

Having this option in place, separate rules in `masm_compile.gypi` are
no longer needed.

Fix: #7426
@indutny indutny mentioned this issue Jun 26, 2016
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@indutny
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indutny commented Jun 26, 2016

Proposed change: #7427

@bnoordhuis
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01fa5ee

Not a Windows compiler/linker expert but I suspect that without /safeseh you wouldn't be able to link add-ons that depend on SafeSEH.

@eljefedelrodeodeljefe
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+1 for removing /Zi, also for all that .pdb files and manifests and some assembly inlining. For some of those flags even the MSDN pages warn for extreme file bloat.

/SafeSEH: I can only guess, but I assume it predates the current compilation workflow, where openssl has been compiled with an older compiler, that didn't include /safeseh and we wanted to protect against it. The MSDN page contradicts the commit message, as the flag does not mark afile, but protect against it at compile time. I found this to be useful, when I decided to exclude it. However it should not be expensive to let it in.

@piscisaureus
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@indutny, @eljefedelrodeodeljefe: for /safeseh: see nodejs/node-v0.x-archive#4242

I think you can drop /Zi.

@indutny
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indutny commented Jun 27, 2016

@piscisaureus thank you, asked you a question in #7427 ;)

Fishrock123 pushed a commit that referenced this issue Jul 5, 2016
@indutny @Fishrock123
deps: MASM.UseSafeExceptionHandlers for OpenSSL
a4880b5 
Use `msvs_settings.MASM.UseSafeExceptionHandlers` when building OpenSSL
assembly code on Windows. This option appends `/safeseh` to the list of
assembler flags when building `.asm` files on Windows.

Having this option in place, separate rules in `masm_compile.gypi` are
no longer needed.

Fix: #7426
PR-URL: #7427
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Bert Belder <bertbelder@gmail.com>
indutny added a commit to indutny/io.js that referenced this issue Sep 3, 2016
@indutny
deps: MASM.UseSafeExceptionHandlers for OpenSSL
72a08e2 
Use `msvs_settings.MASM.UseSafeExceptionHandlers` when building OpenSSL
assembly code on Windows. This option appends `/safeseh` to the list of
assembler flags when building `.asm` files on Windows.

Having this option in place, separate rules in `masm_compile.gypi` are
no longer needed.

Fix: nodejs#7426
PR-URL: nodejs#7427
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Bert Belder <bertbelder@gmail.com>
MylesBorins pushed a commit that referenced this issue Sep 4, 2016
@indutny @MylesBorins
deps: MASM.UseSafeExceptionHandlers for OpenSSL
ef977f6 
Use `msvs_settings.MASM.UseSafeExceptionHandlers` when building OpenSSL
assembly code on Windows. This option appends `/safeseh` to the list of
assembler flags when building `.asm` files on Windows.

Having this option in place, separate rules in `masm_compile.gypi` are
no longer needed.

Fix: #7426
PR-URL: #7427
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Bert Belder <bertbelder@gmail.com>
MylesBorins pushed a commit that referenced this issue Sep 28, 2016
@indutny
deps: MASM.UseSafeExceptionHandlers for OpenSSL
77827eb 
Use `msvs_settings.MASM.UseSafeExceptionHandlers` when building OpenSSL
assembly code on Windows. This option appends `/safeseh` to the list of
assembler flags when building `.asm` files on Windows.

Having this option in place, separate rules in `masm_compile.gypi` are
no longer needed.

Fix: #7426
PR-URL: #7427
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Bert Belder <bertbelder@gmail.com>
rvagg pushed a commit that referenced this issue Oct 18, 2016
@indutny @rvagg
deps: MASM.UseSafeExceptionHandlers for OpenSSL
0e1162c 
Use `msvs_settings.MASM.UseSafeExceptionHandlers` when building OpenSSL
assembly code on Windows. This option appends `/safeseh` to the list of
assembler flags when building `.asm` files on Windows.

Having this option in place, separate rules in `masm_compile.gypi` are
no longer needed.

Fix: #7426
PR-URL: #7427
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Bert Belder <bertbelder@gmail.com>
MylesBorins pushed a commit that referenced this issue Oct 26, 2016
@indutny @MylesBorins
deps: MASM.UseSafeExceptionHandlers for OpenSSL
ea36c61 
Use `msvs_settings.MASM.UseSafeExceptionHandlers` when building OpenSSL
assembly code on Windows. This option appends `/safeseh` to the list of
assembler flags when building `.asm` files on Windows.

Having this option in place, separate rules in `masm_compile.gypi` are
no longer needed.

Fix: #7426
PR-URL: #7427
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Bert Belder <bertbelder@gmail.com>
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deps: MASM.UseSafeExceptionHandlers for OpenSSL indutny/io.js
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@mscdex @piscisaureus @indutny @bnoordhuis @eljefedelrodeodeljefe