ECoff support (MIPS & Alpha only)

[wargio]

Your checklist for this pull request

• I've read the guidelines for contributing to this repository.
• I made sure to follow the project's coding style.
• I've documented every RZ_API function and struct this PR changes.
• I've added tests that prove my changes are effective (required for changes to RZ_API).
• I've updated the Rizin book with the relevant information (if needed).

Detailed description

Adds support to parse ECOFF file format with support only for alpha & mips.

Relocs are not supported as i cannot find binaries to implement them

Fix #4302

[notxvilka]

Also:

17m 52s
Run python3 rz-bindgen/src/lint.py \
Missing type comment at <rizin/librz/bin/format/ecoff/ecoff.c:97:1> (token is not a comment)
Missing type comment at <rizin/librz/bin/format/ecoff/ecoff.c:98:1> (token is not a comment)
Error: Process completed with exit code 2.

[notxvilka]

Also tests fail on Big Endian machine: https://app.travis-ci.com/github/rizinorg/rizin/jobs/638193261#L4765

[codecov]

Codecov Report

❌ Patch coverage is 37.43877% with 894 lines in your changes missing coverage. Please review.
✅ Project coverage is 47.81%. Comparing base (a65be1e) to head (6895f9f).
⚠️ Report is 3 commits behind head on dev.

Files with missing lines	Patch %	Lines
librz/bin/format/ecoff/ecoff.c	36.03%	608 Missing and 269 partials ⚠️
librz/bin/p/bin_ecoff.c	70.68%	9 Missing and 8 partials ⚠️

Additional details and impacted files

Files with missing lines	Coverage Δ
librz/bin/p/bin_ecoff.c	70.68% <70.68%> (ø)
librz/bin/format/ecoff/ecoff.c	36.03% <36.03%> (ø)

... and 20 files with indirect coverage changes

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[notxvilka]

Minor things still left:

16m 49s
Run python3 rz-bindgen/src/lint.py \
Missing type comment at <rizin/librz/bin/format/ecoff/ecoff.c:97:1> (token is not a comment)
Missing type comment at <rizin/librz/bin/format/ecoff/ecoff.c:98:1> (token is not a comment)
Error: Process completed with exit code 2.

[XX] 00h00m00s189ms db/formats/ecoff Alpha 64 ECOFF
RZ_NOPLUGINS=1 /home/travis/build/rizinorg/rizin/install/bin/rizin -escr.utf8=0 -escr.color=0 -escr.interactive=0 -eflirt.sigdb.load.system=false -esearch.show_progress=false -eflirt.sigdb.load.home=false -N -qc 'echo "=== bin ==="
iH
echo "=== info ==="
it
echo "=== entrypoints ==="
iet
echo "=== exports ==="
iEt
echo "=== imports ==="
iit
echo "=== symbols ==="
ist
echo "=== sections ==="
iSt
pdf
' bins/ecoff/alpha/gettext
-- stdout
--- expected
+++ actual
@@ -14,7 +14,7 @@
       - "CALL_SHARED"
 aouthdr:
   magic: "ZMAGIC (0x010b)"
-  vstamp: "v3.13"
+  vstamp: "v13.3"
   bldrev: 0xc
   padding: 0x0
   tsize: 0x6000
-- stderr
ERROR: Cannot find function at 0x120001c30

https://app.travis-ci.com/github/rizinorg/rizin/jobs/638201759#L4660

[wargio]

the linter issue is probably a bug on the linter, because i use RzPVector & RzVector and i have defined the types.
Probably when the macro gets resolved it does not write the comment.