claude is gud

1 files changed, 115 insertions, 0 deletions

diff --git a/vere/ext/nasm/include/dbginfo.h b/vere/ext/nasm/include/dbginfo.h
new file mode 100644
index 0000000..8584eda
--- /dev/null
+++ b/vere/ext/nasm/include/dbginfo.h
@@ -0,0 +1,115 @@
+/* ----------------------------------------------------------------------- *
+ *
+ *   Copyright 2020 The NASM Authors - All Rights Reserved
+ *   See the file AUTHORS included with the NASM distribution for
+ *   the specific copyright holders.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following
+ *   conditions are met:
+ *
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above
+ *     copyright notice, this list of conditions and the following
+ *     disclaimer in the documentation and/or other materials provided
+ *     with the distribution.
+ *
+ *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * dbginfo.h - debugging info structures
+ */
+
+#ifndef NASM_DBGINFO_H
+#define NASM_DBGINFO_H
+
+#include "compiler.h"
+#include "srcfile.h"
+#include "rbtree.h"
+
+struct debug_macro_def;         /* Definition */
+struct debug_macro_inv;         /* Invocation */
+struct debug_macro_addr;        /* Address range */
+
+/*
+ * Definitions structure, one for each non-.nolist macro invoked
+ * anywhere in the program; unique for each macro, even if a macro is
+ * redefined and/or overloaded.
+ */
+struct debug_macro_def {
+    struct debug_macro_def *next; /* List of definitions */
+    const char *name;            /* Macro name */
+    struct src_location where;   /* Start of definition */
+    size_t ninv;                 /* Call count */
+};
+
+/*
+ * Invocation structure. One for each invocation of a non-.nolist macro.
+ */
+struct debug_macro_inv_list {
+    struct debug_macro_inv *l;
+    size_t n;
+};
+
+struct debug_macro_inv {
+    struct debug_macro_inv *next; /* List of same-level invocations */
+    struct debug_macro_inv_list down;
+    struct debug_macro_inv *up;   /* Parent invocation */
+    struct debug_macro_def *def;  /* Macro definition */
+    struct src_location where;    /* Start of invocation */
+    struct {                      /* Address range pointers */
+        struct rbtree *tree;           /* rbtree of address ranges */
+        struct debug_macro_addr *last; /* Quick lookup for latest section */
+    } addr;
+    uint32_t naddr;             /* Number of address ranges */
+    int32_t  lastseg;           /* lastaddr segment number  */
+};
+
+/*
+ * Address range structure. An rbtree containing one address range for each
+ * section which this particular macro has generated code/data/space into.
+ */
+struct debug_macro_addr {
+    struct rbtree tree;          /* rbtree; key = index, must be first */
+    struct debug_macro_addr *up; /* same section in parent invocation */
+    uint64_t start;              /* starting offset */
+    uint64_t len;                /* length of range */
+};
+
+/*
+ * Complete information structure */
+struct debug_macro_info {
+    struct debug_macro_inv_list inv;
+    struct debug_macro_def_list {
+        struct debug_macro_def *l;
+        size_t n;
+    } def;
+};
+
+static inline int32_t debug_macro_seg(const struct debug_macro_addr *dma)
+{
+    return dma->tree.key;
+}
+
+/* Get/create a addr structure for the macro we are emitting for */
+struct debug_macro_addr *debug_macro_get_addr(int32_t seg);
+
+/* The macro we are currently emitting for, if any */
+extern struct debug_macro_inv *debug_current_macro;
+
+#endif /* NASM_DBGINFO_H */