Differential D27177

Add .cfi_{start,end}proc for RISC-V assembly functions
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Authored by arichardson on Nov 11 2020, 12:33 PM.

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rS368070: Add .cfi_{start,end}proc for RISC-V assembly functions

Summary

This allows GDB to print more useful backtraces when setting a breakpoint
on an assembly function.

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Buildable 34741
Build 31797: arc lint + arc unit

Event Timeline

arichardson requested review of this revision.Nov 11 2020, 12:33 PM

arichardson created this revision.

Harbormaster completed remote builds in B34741: Diff 79426.Nov 11 2020, 12:33 PM

jhb accepted this revision.Nov 16 2020, 11:47 PM

This revision is now accepted and ready to land.Nov 16 2020, 11:47 PM

Closed by commit rS368070: Add .cfi_{start,end}proc for RISC-V assembly functions (authored by arichardson). · Explain WhyNov 26 2020, 5:37 PM

This revision was automatically updated to reflect the committed changes.

arichardson added a commit: rS368070: Add .cfi_{start,end}proc for RISC-V assembly functions.

Herald added a subscriber: imp. · View Herald TranscriptNov 26 2020, 5:37 PM

We should probably do something similar for arm/mips/i386/ppc. (Of course, I am a hypocrite here; I did the same for only amd64 in rS353959.)

In D27177#611740, @cem wrote:

We should probably do something similar for arm/mips/i386/ppc. (Of course, I am a hypocrite here; I did the same for only amd64 in rS353959.)

See D27088 for mips.

I just posted https://reviews.freebsd.org/D27387 for i386/ppc/arm64 as well.

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sys/

riscv/

include/

4 lines

Diff 79426

sys/riscv/include/asm.h

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