1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>struct kgdb_arch</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Using kgdb, kdb and the kernel debugger internals"><link rel="up" href="CommonBackEndReq.html#kgdbArchitecture" title="Architecture Specifics"><link rel="prev" href="API-kgdb-arch-late.html" title="kgdb_arch_late"><link rel="next" href="API-struct-kgdb-io.html" title="struct kgdb_io"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">struct kgdb_arch</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-kgdb-arch-late.html">Prev</a> </td><th width="60%" align="center">Architecture Specifics</th><td width="20%" align="right"> <a accesskey="n" href="API-struct-kgdb-io.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-struct-kgdb-arch"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>struct kgdb_arch — 2 Describe architecture specific values. 3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="programlisting"> 4struct kgdb_arch { 5 unsigned char gdb_bpt_instr[BREAK_INSTR_SIZE]; 6 unsigned long flags; 7 int (* set_breakpoint) (unsigned long, char *); 8 int (* remove_breakpoint) (unsigned long, char *); 9 int (* set_hw_breakpoint) (unsigned long, int, enum kgdb_bptype); 10 int (* remove_hw_breakpoint) (unsigned long, int, enum kgdb_bptype); 11 void (* disable_hw_break) (struct pt_regs *regs); 12 void (* remove_all_hw_break) (void); 13 void (* correct_hw_break) (void); 14 void (* enable_nmi) (bool on); 15}; </pre></div><div class="refsect1"><a name="idp1114370132"></a><h2>Members</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term">gdb_bpt_instr[BREAK_INSTR_SIZE]</span></dt><dd><p> 16 The instruction to trigger a breakpoint. 17 </p></dd><dt><span class="term">flags</span></dt><dd><p> 18 Flags for the breakpoint, currently just <code class="constant">KGDB_HW_BREAKPOINT</code>. 19 </p></dd><dt><span class="term">set_breakpoint</span></dt><dd><p> 20 Allow an architecture to specify how to set a software 21 breakpoint. 22 </p></dd><dt><span class="term">remove_breakpoint</span></dt><dd><p> 23 Allow an architecture to specify how to remove a 24 software breakpoint. 25 </p></dd><dt><span class="term">set_hw_breakpoint</span></dt><dd><p> 26 Allow an architecture to specify how to set a hardware 27 breakpoint. 28 </p></dd><dt><span class="term">remove_hw_breakpoint</span></dt><dd><p> 29 Allow an architecture to specify how to remove a 30 hardware breakpoint. 31 </p></dd><dt><span class="term">disable_hw_break</span></dt><dd><p> 32 Allow an architecture to specify how to disable 33 hardware breakpoints for a single cpu. 34 </p></dd><dt><span class="term">remove_all_hw_break</span></dt><dd><p> 35 Allow an architecture to specify how to remove all 36 hardware breakpoints. 37 </p></dd><dt><span class="term">correct_hw_break</span></dt><dd><p> 38 Allow an architecture to specify how to correct the 39 hardware debug registers. 40 </p></dd><dt><span class="term">enable_nmi</span></dt><dd><p> 41 Manage NMI-triggered entry to KGDB 42 </p></dd></dl></div></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-kgdb-arch-late.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="CommonBackEndReq.html#kgdbArchitecture">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-struct-kgdb-io.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">kgdb_arch_late</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span class="phrase">struct kgdb_io</span></td></tr></table></div></body></html> 43