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<h3>
Raymond Toy pushed to branch issue-97-define-ud2-inst
at <a href="https://gitlab.common-lisp.net/cmucl/cmucl">cmucl / cmucl</a>
</h3>
<h4>
Commits:
</h4>
<ul>
<li>
<strong><a href="https://gitlab.common-lisp.net/cmucl/cmucl/-/commit/064c1aa6113867bc574440da0c105eb144d7673d">064c1aa6</a></strong>
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<span>by Raymond Toy</span>
<i>at 2021-05-21T16:26:46-07:00</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add comments to interface functions.
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<h4>1 changed file:</h4>
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<li class="file-stats">
<a href="#1b75f3b90265bd374dd14aabcd10d4cfd74c3482">
src/lisp/arch.h
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<h4>Changes:</h4>
<li id="1b75f3b90265bd374dd14aabcd10d4cfd74c3482">
<a href="https://gitlab.common-lisp.net/cmucl/cmucl/-/commit/064c1aa6113867bc574440da0c105eb144d7673d#1b75f3b90265bd374dd14aabcd10d4cfd74c3482"><strong>src/lisp/arch.h</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -18,10 +18,27 @@ extern boolean arch_pseudo_atomic_atomic(os_context_t * scp);</td>
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<pre style="margin: 0;"> <span id="LC18" class="line" lang="c"><span class="k" style="font-weight: 600;">extern</span> <span class="kt" style="color: #458; font-weight: 600;">void</span> <span class="nf" style="color: #900; font-weight: 600;">arch_set_pseudo_atomic_interrupted</span><span class="p">(</span><span class="n" style="color: #333;">os_context_t</span> <span class="o" style="font-weight: 600;">*</span> <span class="n" style="color: #333;">scp</span><span class="p">);</span></span>
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<pre style="margin: 0;"> <span id="LC19" class="line" lang="c"><span class="k" style="font-weight: 600;">extern</span> <span class="n" style="color: #333;">os_vm_address_t</span> <span class="nf" style="color: #900; font-weight: 600;">arch_get_bad_addr</span><span class="p">(</span><span class="n" style="color: #333;">HANDLER_ARGS</span><span class="p">);</span></span>
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<pre style="margin: 0;"> <span id="LC20" class="line" lang="c"><span class="k" style="font-weight: 600;">extern</span> <span class="kt" style="color: #458; font-weight: 600;">unsigned</span> <span class="kt" style="color: #458; font-weight: 600;">char</span> <span class="o" style="font-weight: 600;">*</span><span class="nf" style="color: #900; font-weight: 600;">arch_internal_error_arguments</span><span class="p">(</span><span class="n" style="color: #333;">os_context_t</span> <span class="o" style="font-weight: 600;">*</span> <span class="n" style="color: #333;">scp</span><span class="p">);</span></span>
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<pre style="margin: 0;">+<span id="LC21" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC22" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;">/*</span></span>
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<pre style="margin: 0;">+<span id="LC23" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * Install an architecture-dependent breakpoint instruction at the</span></span>
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<pre style="margin: 0;">+<span id="LC24" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * given PC address.  This also returns the bytes that were</span></span>
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<pre style="margin: 0;">+<span id="LC25" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * overwritten by the breakpoint instruction so that the original</span></span>
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<pre style="margin: 0;">+<span id="LC26" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * instruction can be restored once the breakpoint has been handled.</span></span>
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<pre style="margin: 0;">+<span id="LC27" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> */</span></span>
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<pre style="margin: 0;"> <span id="LC28" class="line" lang="c"><span class="k" style="font-weight: 600;">extern</span> <span class="kt" style="color: #458; font-weight: 600;">unsigned</span> <span class="kt" style="color: #458; font-weight: 600;">long</span> <span class="nf" style="color: #900; font-weight: 600;">arch_install_breakpoint</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">void</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">pc</span><span class="p">);</span></span>
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<pre style="margin: 0;">+<span id="LC29" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC30" class="line" lang="c"><span class="k" style="font-weight: 600;">extern</span> <span class="kt" style="color: #458; font-weight: 600;">void</span> <span class="nf" style="color: #900; font-weight: 600;">arch_remove_breakpoint</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">void</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">pc</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">unsigned</span> <span class="kt" style="color: #458; font-weight: 600;">long</span> <span class="n" style="color: #333;">orig_inst</span><span class="p">);</span></span>
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<pre style="margin: 0;"> <span id="LC31" class="line" lang="c"><span class="k" style="font-weight: 600;">extern</span> <span class="kt" style="color: #458; font-weight: 600;">void</span> <span class="nf" style="color: #900; font-weight: 600;">arch_install_interrupt_handlers</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">void</span><span class="p">);</span></span>
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<pre style="margin: 0;">+<span id="LC32" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC33" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;">/*</span></span>
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<pre style="margin: 0;">+<span id="LC34" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * This is called when we need to continue after a breakpoint.  The</span></span>
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<pre style="margin: 0;">+<span id="LC35" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * original instruction in |orig_inst| is put back.  Then things are</span></span>
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<td class="new_line diff-line-num new" data-linenumber="36" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC36" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * set up so that we can run again and after this instruction is run,</span></span>
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<td class="old_line diff-line-num new" data-linenumber="24" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="new_line diff-line-num new" data-linenumber="37" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC37" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * we trap again so that the original breakpoint can be replaced.  How</span></span>
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<td class="old_line diff-line-num new" data-linenumber="24" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="new_line diff-line-num new" data-linenumber="38" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC38" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * this is done is architecture-dependent.</span></span>
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<pre style="margin: 0;">+<span id="LC39" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> */</span></span>
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<pre style="margin: 0;"> <span id="LC40" class="line" lang="c"><span class="k" style="font-weight: 600;">extern</span> <span class="kt" style="color: #458; font-weight: 600;">void</span> <span class="nf" style="color: #900; font-weight: 600;">arch_do_displaced_inst</span><span class="p">(</span><span class="n" style="color: #333;">os_context_t</span> <span class="o" style="font-weight: 600;">*</span> <span class="n" style="color: #333;">scp</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">unsigned</span> <span class="kt" style="color: #458; font-weight: 600;">long</span> <span class="n" style="color: #333;">orig_inst</span><span class="p">);</span></span>
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<pre style="margin: 0;">+<span id="LC41" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC42" class="line" lang="c"><span class="k" style="font-weight: 600;">extern</span> <span class="n" style="color: #333;">lispobj</span> <span class="nf" style="color: #900; font-weight: 600;">funcall0</span><span class="p">(</span><span class="n" style="color: #333;">lispobj</span> <span class="n" style="color: #333;">function</span><span class="p">);</span></span>
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<pre style="margin: 0;"> <span id="LC43" class="line" lang="c"><span class="k" style="font-weight: 600;">extern</span> <span class="n" style="color: #333;">lispobj</span> <span class="nf" style="color: #900; font-weight: 600;">funcall1</span><span class="p">(</span><span class="n" style="color: #333;">lispobj</span> <span class="n" style="color: #333;">function</span><span class="p">,</span> <span class="n" style="color: #333;">lispobj</span> <span class="n" style="color: #333;">arg0</span><span class="p">);</span></span>
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<pre style="margin: 0;"> <span id="LC44" class="line" lang="c"><span class="k" style="font-weight: 600;">extern</span> <span class="n" style="color: #333;">lispobj</span> <span class="nf" style="color: #900; font-weight: 600;">funcall2</span><span class="p">(</span><span class="n" style="color: #333;">lispobj</span> <span class="n" style="color: #333;">function</span><span class="p">,</span> <span class="n" style="color: #333;">lispobj</span> <span class="n" style="color: #333;">arg0</span><span class="p">,</span> <span class="n" style="color: #333;">lispobj</span> <span class="n" style="color: #333;">arg1</span><span class="p">);</span></span>
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