Differential D20779

readelf: Add RISC-V DWARF register aliases
ClosedPublic
Actions

Authored by mhorne on Jun 27 2019, 1:00 PM.

Tags

None

Referenced Files

	F136989441: D20779.diff
	Thu, Nov 20, 10:32 PM

	F136989353: D20779.id.diff
	Thu, Nov 20, 10:32 PM

	F136988674: D20779.id59223.diff
	Thu, Nov 20, 10:29 PM

	F136988521: D20779.id59094.diff
	Thu, Nov 20, 10:28 PM

	Unknown Object (File)
	Fri, Nov 7, 4:29 AM

	Unknown Object (File)
	Thu, Nov 6, 2:37 PM

	Unknown Object (File)
	Mon, Nov 3, 7:20 AM

	Unknown Object (File)
	Sun, Nov 2, 10:27 PM

Subscribers

Details

Reviewers

emaste
markj
jkoshy_users.sourceforge.net
kaiw

Commits

rS349563: readelf: Add RISC-V DWARF register aliases

Summary

This allows DWARF debugging output to display the common register
mneumonics, such as ra, sp, or t0.

DWARF registers 0-31 are mapped to the 32 general purpose registers,
and are immediately followed by the 32 floating point registers.

Test Plan

Sample output from readelf -wf:

0000b138 0000002c 0000ac68 FDE cie=0000ac68 pc=000465fe..00046656
  DW_CFA_advance_loc: 6 to 00046604
  DW_CFA_def_cfa_offset: 32
  DW_CFA_advance_loc: 8 to 0004660c
  DW_CFA_offset: r8 (s0) at cfa-16
  DW_CFA_offset: r9 (s1) at cfa-24
  DW_CFA_offset: r18 (s2) at cfa-32
  DW_CFA_offset: r1 (ra) at cfa-8
  DW_CFA_advance_loc1: 60 to 00046648
  DW_CFA_restore: r1 (ra)
  DW_CFA_advance_loc: 2 to 0004664a
  DW_CFA_restore: r18 (s2)
  DW_CFA_advance_loc: 6 to 00046650
  DW_CFA_restore: r8 (s0)
  DW_CFA_advance_loc: 2 to 00046652
  DW_CFA_restore: r9 (s1)
  DW_CFA_advance_loc: 2 to 00046654
  DW_CFA_def_cfa_offset: 0

Diff Detail

Repository

rS FreeBSD src repository - subversion

Lint

Lint Not Applicable

Unit

Tests Not Applicable

Event Timeline

mhorne created this revision.Jun 27 2019, 1:00 PM

Harbormaster completed remote builds in B25078: Diff 59094.Jun 27 2019, 1:00 PM

Approved.

This revision is now accepted and ready to land.Jun 27 2019, 1:56 PM

Closed by commit rS349563: readelf: Add RISC-V DWARF register aliases (authored by mhorne). · Explain WhyJun 30 2019, 7:47 PM

This revision was automatically updated to reflect the committed changes.

mhorne added a commit: rS349563: readelf: Add RISC-V DWARF register aliases.

Herald added a subscriber: imp. · View Herald TranscriptJun 30 2019, 7:47 PM

dim mentioned this in rS367466: Sync up elftoolchain with head, except for the capsicum-related commits,.Nov 7 2020, 11:58 PM

Revision Contents
Changeset List

Path

Size

head/

contrib/

elftoolchain/

readelf/

68 lines

Diff 59223

head/contrib/elftoolchain/readelf/readelf.c

Loading...