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darm

A light-weight and efficient ARMv7/Thumb/Thumb2 disassembler written in C with Python bindings. VFP/Neon/SIMD (it's all the same) support is upcoming!

Example code

Using the darm library is fairly straightforward - just call the right function with the right parameter and you're all set. Following is an example of disassembling an ARMv7 instruction in C and printing its string representation to stdout.

#include<stdio.h>#include"darm.h"intmain()
{
darm_td; darm_str_tstr;
if(darm_armv7_disasm(&d, 0x42424242) ==0&&darm_str2(&d, &str, 1) ==0) {
printf("-> %s\n", str.total);
}
}

And the exact same program, but using the Python bindings.

importdarmprintstr(darm.disasm_armv7(0x42424242))

License

The darm library is released under the BSD 3-Clause License, also known as BSD Simplified.

Support & Contact

For support and contact, feel free to check out the official Darm website, the IRC channel, #darm at freenode, or you can always reach me on my email: jurriaanbremer@gmail.com.

Acknowledgement

(See also the Contributors page on darm.re.)

Many thanks to Valentin Pistol without whom this project would never have seen the light of day.

Thanks to Peter Geissler, Jay Little, Michael Laurenzano, Jonathan Tetteroo, Joshua Drake, and rednovae for contributions, suggestions, additional tests, etc.

About

A light-weight and efficient disassembler written in C for the ARMv7 instruction set.

Resources

Readme
BSD-3-Clause license
Activity

Stars

2 stars

Watchers

1 watching

Forks

0 forks
Report repository

Releases

Packages

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
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(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
codeBlock.parentElement.setAttribute('data-copy-added', 'true');
var btn = document.createElement('button');
btn.textContent = 'Copy';
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btn.onmouseover = function() { this.style.opacity = '1'; };
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btn.onclick = function() {
navigator.clipboard.writeText(codeBlock.textContent).then(function() {
btn.textContent = 'Copied!';
setTimeout(function() { btn.textContent = 'Copy'; }, 1500);
});
};
codeBlock.parentElement.style.position = 'relative';
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});
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addCopyButtons();
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observer.observe(document.body, { childList: true, subtree: true });
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} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
GitHub - philburr/darm: A light-weight and efficient disassembler written in C for the ARMv7 instruction set. · GitHub
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darm
A light-weight and efficient ARMv7/Thumb/Thumb2 disassembler written in C with
Python bindings. VFP/Neon/SIMD (it's all the same) support is upcoming!
Example code
Using the darm library is fairly straightforward - just call the right
function with the right parameter and you're all set. Following is an example
of disassembling an ARMv7 instruction in C and printing its string
representation to stdout.
#include<stdio.h>#include"darm.h"intmain()
{
darm_td; darm_str_tstr;
if(darm_armv7_disasm(&d, 0x42424242) ==0&&darm_str2(&d, &str, 1) ==0) {
printf("-> %s\n", str.total);
}
}
And the exact same program, but using the Python bindings.
importdarmprintstr(darm.disasm_armv7(0x42424242))
License
The darm library is released under the BSD 3-Clause License, also known
as BSD Simplified.
Support & Contact
For support and contact, feel free to check out the
official Darm website, the IRC channel, #darm at freenode,
or you can always reach me on my email: jurriaanbremer@gmail.com.
Acknowledgement
(See also the Contributors page on darm.re.)
Many thanks to Valentin Pistol without whom this project would never
have seen the light of day.
Thanks to Peter Geissler, Jay Little,
Michael Laurenzano, Jonathan Tetteroo,
Joshua Drake, and rednovae for contributions, suggestions,
additional tests, etc.
About
A light-weight and efficient disassembler written in C for the ARMv7 instruction set.
Resources
Readme
BSD-3-Clause license
Activity
Stars
2 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Force GitHub README to respect dark mode
(function() {
var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
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document.head.appendChild(style);
})();
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
GitHub - philburr/darm: A light-weight and efficient disassembler written in C for the ARMv7 instruction set. · GitHub
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This repository was archived by the owner on Feb 24, 2026. It is now read-only.

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darm
A light-weight and efficient ARMv7/Thumb/Thumb2 disassembler written in C with
Python bindings. VFP/Neon/SIMD (it's all the same) support is upcoming!
Example code
Using the darm library is fairly straightforward - just call the right
function with the right parameter and you're all set. Following is an example
of disassembling an ARMv7 instruction in C and printing its string
representation to stdout.
#include<stdio.h>#include"darm.h"intmain()
{
darm_td; darm_str_tstr;
if(darm_armv7_disasm(&d, 0x42424242) ==0&&darm_str2(&d, &str, 1) ==0) {
printf("-> %s\n", str.total);
}
}
And the exact same program, but using the Python bindings.
importdarmprintstr(darm.disasm_armv7(0x42424242))
License
The darm library is released under the BSD 3-Clause License, also known
as BSD Simplified.
Support & Contact
For support and contact, feel free to check out the
official Darm website, the IRC channel, #darm at freenode,
or you can always reach me on my email: jurriaanbremer@gmail.com.
Acknowledgement
(See also the Contributors page on darm.re.)
Many thanks to Valentin Pistol without whom this project would never
have seen the light of day.
Thanks to Peter Geissler, Jay Little,
Michael Laurenzano, Jonathan Tetteroo,
Joshua Drake, and rednovae for contributions, suggestions,
additional tests, etc.
About
A light-weight and efficient disassembler written in C for the ARMv7 instruction set.
Resources
Readme
BSD-3-Clause license
Activity
Stars
2 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
document.head.appendChild(style);
function highlight(node) {
if (node.nodeType === 3) { // text node
var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
if (regex.test(text)) {
found = true;
var frag = document.createDocumentFragment();
var parts = text.split(regex);
parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
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var span = document.createElement('span');
span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
}
});
node.parentNode.replaceChild(frag, node);
}
});
} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
}
}
}
highlight(document.body);
// Re-highlight on dynamic content
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
GitHub - philburr/darm: A light-weight and efficient disassembler written in C for the ARMv7 instruction set. · GitHub
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This repository was archived by the owner on Feb 24, 2026. It is now read-only.

BranchesTags
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darm
A light-weight and efficient ARMv7/Thumb/Thumb2 disassembler written in C with
Python bindings. VFP/Neon/SIMD (it's all the same) support is upcoming!
Example code
Using the darm library is fairly straightforward - just call the right
function with the right parameter and you're all set. Following is an example
of disassembling an ARMv7 instruction in C and printing its string
representation to stdout.
#include<stdio.h>#include"darm.h"intmain()
{
darm_td; darm_str_tstr;
if(darm_armv7_disasm(&d, 0x42424242) ==0&&darm_str2(&d, &str, 1) ==0) {
printf("-> %s\n", str.total);
}
}
And the exact same program, but using the Python bindings.
importdarmprintstr(darm.disasm_armv7(0x42424242))
License
The darm library is released under the BSD 3-Clause License, also known
as BSD Simplified.
Support & Contact
For support and contact, feel free to check out the
official Darm website, the IRC channel, #darm at freenode,
or you can always reach me on my email: jurriaanbremer@gmail.com.
Acknowledgement
(See also the Contributors page on darm.re.)
Many thanks to Valentin Pistol without whom this project would never
have seen the light of day.
Thanks to Peter Geissler, Jay Little,
Michael Laurenzano, Jonathan Tetteroo,
Joshua Drake, and rednovae for contributions, suggestions,
additional tests, etc.
About
A light-weight and efficient disassembler written in C for the ARMv7 instruction set.
Resources
Readme
BSD-3-Clause license
Activity
Stars
2 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
GitHub - philburr/darm: A light-weight and efficient disassembler written in C for the ARMv7 instruction set. · GitHub
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This repository was archived by the owner on Feb 24, 2026. It is now read-only.

BranchesTags
Repository files navigation
darm
A light-weight and efficient ARMv7/Thumb/Thumb2 disassembler written in C with
Python bindings. VFP/Neon/SIMD (it's all the same) support is upcoming!
Example code
Using the darm library is fairly straightforward - just call the right
function with the right parameter and you're all set. Following is an example
of disassembling an ARMv7 instruction in C and printing its string
representation to stdout.
#include<stdio.h>#include"darm.h"intmain()
{
darm_td; darm_str_tstr;
if(darm_armv7_disasm(&d, 0x42424242) ==0&&darm_str2(&d, &str, 1) ==0) {
printf("-> %s\n", str.total);
}
}
And the exact same program, but using the Python bindings.
importdarmprintstr(darm.disasm_armv7(0x42424242))
License
The darm library is released under the BSD 3-Clause License, also known
as BSD Simplified.
Support & Contact
For support and contact, feel free to check out the
official Darm website, the IRC channel, #darm at freenode,
or you can always reach me on my email: jurriaanbremer@gmail.com.
Acknowledgement
(See also the Contributors page on darm.re.)
Many thanks to Valentin Pistol without whom this project would never
have seen the light of day.
Thanks to Peter Geissler, Jay Little,
Michael Laurenzano, Jonathan Tetteroo,
Joshua Drake, and rednovae for contributions, suggestions,
additional tests, etc.
About
A light-weight and efficient disassembler written in C for the ARMv7 instruction set.
Resources
Readme
BSD-3-Clause license
Activity
Stars
2 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
GitHub - philburr/darm: A light-weight and efficient disassembler written in C for the ARMv7 instruction set. · GitHub
Skip to content

This repository was archived by the owner on Feb 24, 2026. It is now read-only.

BranchesTags
Repository files navigation
darm
A light-weight and efficient ARMv7/Thumb/Thumb2 disassembler written in C with
Python bindings. VFP/Neon/SIMD (it's all the same) support is upcoming!
Example code
Using the darm library is fairly straightforward - just call the right
function with the right parameter and you're all set. Following is an example
of disassembling an ARMv7 instruction in C and printing its string
representation to stdout.
#include<stdio.h>#include"darm.h"intmain()
{
darm_td; darm_str_tstr;
if(darm_armv7_disasm(&d, 0x42424242) ==0&&darm_str2(&d, &str, 1) ==0) {
printf("-> %s\n", str.total);
}
}
And the exact same program, but using the Python bindings.
importdarmprintstr(darm.disasm_armv7(0x42424242))
License
The darm library is released under the BSD 3-Clause License, also known
as BSD Simplified.
Support & Contact
For support and contact, feel free to check out the
official Darm website, the IRC channel, #darm at freenode,
or you can always reach me on my email: jurriaanbremer@gmail.com.
Acknowledgement
(See also the Contributors page on darm.re.)
Many thanks to Valentin Pistol without whom this project would never
have seen the light of day.
Thanks to Peter Geissler, Jay Little,
Michael Laurenzano, Jonathan Tetteroo,
Joshua Drake, and rednovae for contributions, suggestions,
additional tests, etc.
About
A light-weight and efficient disassembler written in C for the ARMv7 instruction set.
Resources
Readme
BSD-3-Clause license
Activity
Stars
2 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
GitHub - philburr/darm: A light-weight and efficient disassembler written in C for the ARMv7 instruction set. · GitHub
Skip to content

This repository was archived by the owner on Feb 24, 2026. It is now read-only.

BranchesTags
Repository files navigation
darm
A light-weight and efficient ARMv7/Thumb/Thumb2 disassembler written in C with
Python bindings. VFP/Neon/SIMD (it's all the same) support is upcoming!
Example code
Using the darm library is fairly straightforward - just call the right
function with the right parameter and you're all set. Following is an example
of disassembling an ARMv7 instruction in C and printing its string
representation to stdout.
#include<stdio.h>#include"darm.h"intmain()
{
darm_td; darm_str_tstr;
if(darm_armv7_disasm(&d, 0x42424242) ==0&&darm_str2(&d, &str, 1) ==0) {
printf("-> %s\n", str.total);
}
}
And the exact same program, but using the Python bindings.
importdarmprintstr(darm.disasm_armv7(0x42424242))
License
The darm library is released under the BSD 3-Clause License, also known
as BSD Simplified.
Support & Contact
For support and contact, feel free to check out the
official Darm website, the IRC channel, #darm at freenode,
or you can always reach me on my email: jurriaanbremer@gmail.com.
Acknowledgement
(See also the Contributors page on darm.re.)
Many thanks to Valentin Pistol without whom this project would never
have seen the light of day.
Thanks to Peter Geissler, Jay Little,
Michael Laurenzano, Jonathan Tetteroo,
Joshua Drake, and rednovae for contributions, suggestions,
additional tests, etc.
About
A light-weight and efficient disassembler written in C for the ARMv7 instruction set.
Resources
Readme
BSD-3-Clause license
Activity
Stars
2 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();
GitHub - philburr/darm: A light-weight and efficient disassembler written in C for the ARMv7 instruction set. · GitHub
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This repository was archived by the owner on Feb 24, 2026. It is now read-only.

BranchesTags
Repository files navigation
darm
A light-weight and efficient ARMv7/Thumb/Thumb2 disassembler written in C with
Python bindings. VFP/Neon/SIMD (it's all the same) support is upcoming!
Example code
Using the darm library is fairly straightforward - just call the right
function with the right parameter and you're all set. Following is an example
of disassembling an ARMv7 instruction in C and printing its string
representation to stdout.
#include<stdio.h>#include"darm.h"intmain()
{
darm_td; darm_str_tstr;
if(darm_armv7_disasm(&d, 0x42424242) ==0&&darm_str2(&d, &str, 1) ==0) {
printf("-> %s\n", str.total);
}
}
And the exact same program, but using the Python bindings.
importdarmprintstr(darm.disasm_armv7(0x42424242))
License
The darm library is released under the BSD 3-Clause License, also known
as BSD Simplified.
Support & Contact
For support and contact, feel free to check out the
official Darm website, the IRC channel, #darm at freenode,
or you can always reach me on my email: jurriaanbremer@gmail.com.
Acknowledgement
(See also the Contributors page on darm.re.)
Many thanks to Valentin Pistol without whom this project would never
have seen the light of day.
Thanks to Peter Geissler, Jay Little,
Michael Laurenzano, Jonathan Tetteroo,
Joshua Drake, and rednovae for contributions, suggestions,
additional tests, etc.
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A light-weight and efficient disassembler written in C for the ARMv7 instruction set.
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