Slight improvement (exception translation, wait function), comments

src/adbg/include/posix/sys/wait.d

@@ -0,0 +1,60 @@
+/// Fixing improper sys/wait.h definitions.
+///
+/// This is due to extern (D) tricking the compiler the function that is
+/// external dispite the defined body.
+///
+/// Authors: dd86k <dd@dax.moe>
+/// Copyright: © dd86k <dd@dax.moe>
+/// License: BSD-3-Clause
+module adbg.include.posix.sys.wait;
+
+version (Posix):
+
+public import core.sys.posix.sys.wait;
+
+pragma(inline, true):
+
+// Source:
+// gdb/gdbsupport/gdb_wait.h
+
+bool WIFEXITED(int status) {
+ version (MinGW) // (((w) & 0xC0000000) == 0)
+ return (status & 0xC0000000) == 0;
+ else // (((w)&0377) == 0)
+ return cast(ubyte)status == 0;
+}
+
+bool WIFSIGNALED(int status) {
+ version (MinGW) // (((w) & 0xC0000000) == 0xC0000000)
+ return ((status) & 0xC0000000) == 0xC0000000;
+ else // (((w)&0377) != 0177 && ((w)&~0377) == 0)
+ return cast(ubyte)status != 0x7f && cast(ubyte)(status >> 8) == 0;
+}
+
+bool WIFSTOPPED(int status) {
+ version (RS6000) // ((w)&0x40)
+ return (status & 0x40) != 0;
+ else // (((w)&0377) == 0177)
+ return cast(ubyte)status == 0x7f;
+}
+
+version (CRuntime_Glibc)
+bool WIFCONTINUED(int status) {
+ // ((s) == 0xffff)
+ return cast(short)status == 0xffff;
+}
+
+int WEXITSTATUS(int status) {
+ version (MinGW) // ((w) & ~0xC0000000)
+ return status & ~0xC0000000;
+ else // (((w) >> 8) & 0377) /* same as WRETCODE */
+ return cast(ubyte)(status >> 8);
+}
+
+int WTERMSIG(int status) {
+ // MinGW: extern int windows_status_to_termsig (unsigned long);
+ return status & 0x7f;
+}
+
+// #define WSTOPSIG WEXITSTATUS
+alias WSTOPSIG = WEXITSTATUS;

src/adbg/v2/debugger/breakpoint.d

@@ -10,6 +10,9 @@ import adbg.error;
 
 extern (C):
 
+// NOTE: When a breakpoint is hit by the debugger, the address should
+// be checked against the process' breakpoint list.
+
 version (X86) {
  private alias ubyte opcode_t;
  private enum opcode_t BREAKPOINT = 0xCC; // INT3

src/adbg/v2/debugger/context.d

@@ -139,7 +139,12 @@ int adbg_context_fill(adbg_process_t *tracee, adbg_thread_context_t *ctx) {
  adbg_context_fill_win(ctx, &winctx);
  }
  } else version (Posix) {
- //TODO: PTRACE_GETFPREGS
+ //TODO: PT_GETFPREGS
+ // PT_GETWMMXREGS
+ // PT_GET_THREAD_AREA
+ // PT_GETCRUNCHREGS
+ // PT_GETVFPREGS
+ // PT_GETHBPREGS
  user_regs_struct u = void;
  if (ptrace(PT_GETREGS, tracee.pid, null, &u) < 0) {
  ctx.count = 0;