build(deps): Bump gdbstub from 0.6.6 to 0.7.0

[dependabot]

Bumps gdbstub from 0.6.6 to 0.7.0.

Release notes

Sourced from gdbstub's releases.

0.7.0

0.7 is a fairly minimal "cleanup" release, landing a collection of small breaking changes that collectively improve various ergonomic issues in gdbstub's API.

The breaking changes introduced in 0.7 are generally trivial to fix, and I wager that porting from 0.6 to 0.7 shouldn't take more than ~10 minutes, at most.

As always, check out the transition guide for a rundown of key breaking changes to watch out for.

Cheers!

---

Breaking API Changes

• stub::GdbStubError is now an opaque struct with a handful of methods to extract user-defined context (as opposed to being an enum that directly exposed all error internals to the user).
  • This change will enable future versions of gdbstub to fearlessly improve error messages and infrastructure without making semver breaking changes. See #112 for more.
• common::Signal is not longer an enum, and is instead a struct with a single pub u8 field + a collection of associated constants.
  • As a result, yet another instance of unsafe could be removed from the codebase!
• Arch API:
  • Entirely removed single_step_behavior. See #132 for details and rationale
• Target APIs:
  • SingleThreadBase/MultiThreadBase
    • read_addrs now returns a usize instead of a (), allowing implementations to report cases where only a subset of memory could be read. #115 (geigerzaehler)
  • HostIo
    • bitflags has been updated from 1.x to 2.x, affecting the type of HostIoOpenFlags and HostIoOpenMode #138 (qwandor)

Internal Improvements

• Reformatted codebase with nightly rustfmt using imports_granularity = "Item"

Changelog

Sourced from gdbstub's changelog.

0.7.0

Breaking API Changes

• stub::GdbStubError is now an opaque struct with a handful of methods to extract user-defined context (as opposed to being an enum that directly exposed all error internals to the user).
  • This change will enable future versions of gdbstub to fearlessly improve error messages and infrastructure without making semver breaking changes. See #112 for more.
• common::Signal is not longer an enum, and is instead a struct with a single pub u8 field + a collection of associated constants.
  • As a result, yet another instance of unsafe could be removed from the codebase!
• Arch API:
  • Entirely removed single_step_behavior. See #132 for details and rationale
• Target APIs:
  • SingleThreadBase/MultiThreadBase
    • read_addrs now returns a usize instead of a (), allowing implementations to report cases where only a subset of memory could be read. #115 (geigerzaehler)
  • HostIo
    • bitflags has been updated from 1.x to 2.x, affecting the type of HostIoOpenFlags and HostIoOpenMode #138 (qwandor)

Internal Improvements

• Reformatted codebase with nightly rustfmt using imports_granularity = "Item"

Commits

• c489dcd release 0.7.0
• 419fc95 cargo doc fixes
• 07c6167 clippy
• 7d2413d docs ahead of 0.7 release
• d622369 Updated to bitflags 2.2.1. (#138)
• 2cf3299 dump_asm.sh improvements
• 5fed446 update doctest
• 09791f7 add .git-blame-ignore-revs
• e2329b8 fmt everything using imports_granularity = "Item"
• 20d51b0 GdbStubError overhaul
• Additional commits viewable in compare view

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---

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[mkroening]

Superseded by #595.

[dependabot]

Looks like gdbstub is up-to-date now, so this is no longer needed.