File eppic-switch-to-system-lib.patch of Package crash

Overview Repositories Revisions Requests Users Attributes Meta

File eppic-switch-to-system-lib.patch of Package crash (Revision 2da90decbf967af4123c26e065e5d31b)

Currently displaying revision 2da90decbf967af4123c26e065e5d31b , Show latest

---
 extensions/eppic.mk                         |   26 
 extensions/eppic/applications/crash/eppic.c | 1110 ++++++++++++++++++++++++++++
 2 files changed, 1112 insertions(+), 24 deletions(-)

--- a/extensions/eppic.mk
+++ b/extensions/eppic.mk
@@ -31,29 +31,7 @@ all:
 	@if [ -f /usr/bin/flex ] && [ -f /usr/bin/bison ]; then \
 	  if [ -f ../$(GDB)/crash.target ]; \
         then \
-        if  [ ! -f $(APPFILE) ]; \
-        then \
-          if [ -f "$(GIT)" ]; \
-          then \
-             if [ -n "$(EPPIC_GIT_URL)" ]; then \
-               git clone "$(EPPIC_GIT_URL)" eppic; \
-             else \
-	          if [ -n "$(GITHUB)" ] ; then \
-		    git clone https://github.com/lucchouina/eppic.git eppic; \
-	          fi; \
-             fi; \
-          else \
-	     if [ ! -f "$(GIT)" ]; then \
-	         echo "eppic.so: git command is needed for pulling eppic extension code"; \
-	     fi; \
-          fi; \
-        fi; \
-        if  [ -f $(APPFILE) ]; \
-        then \
 	        make -f eppic.mk eppic.so; \
-        else \
-            echo "eppic.so: failed to pull eppic code from git repo"; \
-        fi; \
       else \
 	    echo "eppic.so: build failed: requires the crash $(GDB) module"; \
       fi ;\
@@ -64,8 +42,8 @@ all:
 lib-eppic: 
 	cd eppic/libeppic && make
             
-eppic.so: ../defs.h $(APPFILE) lib-eppic
-	gcc -g -Ieppic/libeppic -I../$(GDB)/gdb -I../$(GDB)/bfd -I../$(GDB)/include -I../$(GDB)/gdb/config -I../$(GDB)/gdb/common -I../$(GDB) -nostartfiles -shared -rdynamic -o eppic.so $(APPFILE) -fPIC $(TARGET_FLAGS) $(GDB_FLAGS) -Leppic/libeppic -leppic 
+eppic.so: ../defs.h $(APPFILE)
+	gcc -g -I../$(GDB)/gdb -I../$(GDB)/bfd -I../$(GDB)/include -I../$(GDB)/gdb/config -I../$(GDB)/gdb/common -I../$(GDB) -nostartfiles -shared -rdynamic -o eppic.so $(APPFILE) -fPIC $(TARGET_FLAGS) $(GDB_FLAGS) -leppic
 
 clean:
 	if  [ -d eppic/libeppic ]; \
--- /dev/null
+++ b/extensions/eppic/applications/crash/eppic.c
@@ -0,0 +1,1110 @@
+/*
+ * $Id: eppic.c,v 1.15 2012/01/04 14:46:57 anderson Exp $
+ *
+ * This file is part of lcrash, an analysis tool for Linux memory dumps.
+ *
+ * Created by Silicon Graphics, Inc.
+ * Contributions by IBM, and others
+ *
+ * Copyright (C) 1999 - 2005 Silicon Graphics, Inc. All rights reserved.
+ * Copyright (C) 2001, 2002 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version. See the file COPYING for more
+ * information.
+ */
+
+#include "gdb/defs.h"
+#include "target.h"
+#include "symtab.h"
+#include "gdbtypes.h"
+#include "gdbcore.h"
+#include "frame.h"
+#include "value.h"
+#include "symfile.h"
+#include "objfiles.h"
+#include "gdbcmd.h"
+/*#include "call-cmds.h"*/
+#include "gdb_regex.h"
+#include "expression.h"
+#include "language.h"
+#include "demangle.h"
+#include "inferior.h"
+#include "linespec.h"
+#include "source.h"
+#include "filenames.h"		/* for FILENAME_CMP */
+#include "objc-lang.h"
+
+#include "hashtab.h"
+
+#include "gdb_obstack.h"
+#include "block.h"
+#include "dictionary.h"
+
+#include <sys/types.h>
+#include <fcntl.h>
+#include "gdb_string.h"
+#include "gdb_stat.h"
+#include <ctype.h>
+#include "cp-abi.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <eppic_api.h>
+
+/////////////////////////////////////////////////////////////////////////
+// some stuff from crash's defs.h, file which cannot be included here.
+// Hate to do this but this is a quick port. 
+// If anyone cares to work on the include and defs structure to make
+// this work cleanly...
+//
+/*
+ *  Global data (global_data.c) 
+ */
+extern char *args[];      
+extern int argcnt;            
+extern int argerrs;
+#define SYNOPSIS      (0x1)
+#define COMPLETE_HELP (0x2)
+#define PIPE_TO_LESS  (0x4)
+#define KVADDR (0x1)
+#define QUIET (0x4)
+
+typedef void (*cmd_func_t)(void);
+
+struct command_table_entry {               /* one for each command in menu */
+	char *name;
+	cmd_func_t func;
+	char **help_data;
+	ulong flags;
+};
+extern FILE *fp; 
+extern char *crash_global_cmd();
+
+typedef unsigned long long int ulonglong;
+extern int readmem(ulonglong, int, void *, long, char *, ulong);
+extern int symbol_exists(char *);
+extern ulong symbol_value(char *);
+extern void cmd_usage(char *, int);
+extern void register_extension(struct command_table_entry *);
+
+
+//
+/////////////////////////////////////////////////////////////////////////
+/*
+	This is the glue between the eppic interpreter and crash.
+*/
+
+static int
+apigetmem(ull iaddr, void *p, int nbytes)
+{
+	return readmem(iaddr, KVADDR, p, nbytes, NULL, QUIET);
+}
+
+// Since crash is target dependant (build for the 
+static uint8_t apigetuint8(void* ptr)
+{
+uint8_t val;
+    if(!readmem((unsigned long)ptr, KVADDR, (char*)&val, sizeof val, NULL, QUIET)) return (uint8_t)-1;
+    return val;
+}
+
+static uint16_t apigetuint16(void* ptr)
+{
+uint16_t val;
+    if(!readmem((unsigned long)ptr, KVADDR, (char*)&val, sizeof val, NULL, QUIET)) return (uint16_t)-1;
+    return val;
+}
+
+static uint32_t apigetuint32(void* ptr)
+{
+uint32_t val;
+    if(!readmem((unsigned long)ptr, KVADDR, (char*)&val, sizeof val, NULL, QUIET)) return (uint32_t)-1;
+    return val;
+}
+
+static uint64_t apigetuint64(void* ptr)
+{
+uint64_t val;
+    if(!readmem((unsigned long)ptr, KVADDR, (char*)&val, sizeof val, NULL, QUIET)) return (uint64_t)-1;
+    return val;
+}
+
+static int
+apiputmem(ull iaddr, void *p, int nbytes)
+{
+	return 1;
+}
+
+/* extract a complex type (struct, union and enum) */
+static int
+apigetctype(int ctype, char *name, TYPE_S *tout)
+{
+    struct symbol *sym;
+    struct type *type;
+    int v=0;
+    
+    eppic_dbg_named(DBG_TYPE, name, 2, "Looking for type %d name [%s] in struct domain...", ctype, name);
+#ifdef GDB_6_1
+    sym = lookup_symbol(name, 0, STRUCT_DOMAIN, 0, (struct symtab **) NULL);
+#else
+    sym = lookup_symbol(name, 0, STRUCT_DOMAIN, 0);
+#endif
+    if(!sym) {
+            eppic_dbg_named(DBG_TYPE, name, 2, "Not found.\nLooking for type %d name [%s] in var domain...", ctype, name);
+#ifdef GDB_6_1
+            sym = lookup_symbol(name, 0, VAR_DOMAIN, 0, (struct symtab **) NULL);
+#else
+            sym = lookup_symbol(name, 0, VAR_DOMAIN, 0);
+#endif
+            if(sym) {
+                eppic_dbg_named(DBG_TYPE, name, 2, "found class=%d\n", sym->aclass);
+                if(sym->aclass == LOC_TYPEDEF) v=1;
+            }
+    }
+        
+    if (sym) {
+        type=sym->type;
+        if(eppic_is_typedef(ctype) && v) goto match;
+        eppic_dbg_named(DBG_TYPE, name, 2, "TYPE_CODE is %d ctype %d\n", TYPE_CODE(type), ctype);
+        switch(TYPE_CODE(type)) {
+	    case TYPE_CODE_INT: 
+                eppic_dbg_named(DBG_TYPE, name, 2, "Variable is integer\n");
+		if (eppic_is_typedef(ctype)) {
+		    eppic_dbg_named(DBG_TYPE, name, 2, 
+				    "integer is not a typedef\n");
+		    break;
+			
+		}
+	
+            case TYPE_CODE_TYPEDEF:
+                                    if(eppic_is_typedef(ctype))  goto match; break;
+            case TYPE_CODE_ENUM:    if(eppic_is_enum(ctype))     goto match; break;
+            case TYPE_CODE_STRUCT:  if(eppic_is_struct(ctype))   goto match; break;
+            case TYPE_CODE_UNION:   if(eppic_is_union(ctype))    goto match; break;
+        }
+        eppic_dbg_named(DBG_TYPE, name, 2, "Found but no match.\n");
+    }
+    else eppic_dbg_named(DBG_TYPE, name, 2, "Not Found.\n");
+
+    return 0;
+
+match:
+    eppic_dbg_named(DBG_TYPE, name, 2, "Found.\n");
+    /* populate */
+    eppic_type_settype(tout, ctype);
+    eppic_type_setsize(tout, TYPE_LENGTH(type));
+    eppic_type_setidx(tout, (ull)(unsigned long)type);
+    eppic_pushref(tout, 0);
+    return 1;
+}
+
+/* set idx value to actual array indexes from specified size */
+static void
+eppic_setupidx(TYPE_S*t, int ref, int nidx, int *idxlst)
+{
+        /* put the idxlst in index size format */
+        if(nidx) {
+
+                int i;
+
+                for(i=0;i<nidx-1;i++) {
+			/* kludge for array dimensions of [1] */
+			if (idxlst[i+1] == 0) {
+				idxlst[i+1] = 1;
+			}
+			idxlst[i]=idxlst[i]/idxlst[i+1];
+		}
+
+                /* divide by element size for last element bound */
+                if(ref) idxlst[i] /= eppic_defbsize();
+                else idxlst[i] /= eppic_type_getsize(t);
+                eppic_type_setidxlst(t, idxlst);
+        }
+}
+/*
+	This function needs to drill down a typedef and
+	return the corresponding type.
+	If the typedef is from a basetype eppic_parsetype() will be
+	called back to build the type 
+*/
+static char *
+drilldowntype(struct type *type, TYPE_S *t)
+{
+char *tstr=0;
+int fctflg=0, ref=0;
+int *idxlst=0;
+int nidx=0;
+
+	while(type)
+	{
+            check_typedef(type);
+
+            // check out for stub types and pull in the definition instead
+            if(TYPE_STUB(type) && TYPE_TAG_NAME(type)) {
+#ifdef GDB_6_1
+                struct symbol *sym=lookup_symbol(TYPE_TAG_NAME(type), 0, STRUCT_DOMAIN, 0, (struct symtab **) NULL);
+#else
+                struct symbol *sym=lookup_symbol(TYPE_TAG_NAME(type), 0, STRUCT_DOMAIN, 0);
+#endif
+                if(sym) {
+                    type=sym->type;
+                } 
+            }
+            switch(TYPE_CODE(type)) {
+
+		/* typedef inserts a level of reference to the 1'dactual type */
+		case TYPE_CODE_PTR:
+	
+			ref++;
+                        type=TYPE_TARGET_TYPE(type);
+       			/* this could be a void*, in which case the drill down stops here */
+			if(!type) {
+
+				/* make it a char* */
+				eppic_parsetype("char", t, ref);
+				return 0;
+
+			}
+		break;
+
+		/* handle pointer to functions */
+		case TYPE_CODE_FUNC:
+
+			fctflg=1;
+                        type=TYPE_TARGET_TYPE(type);
+		break;
+
+		/* Is this an array ? if so then just skip this type info and
+		   we only need information on the elements themselves */
+		case TYPE_CODE_ARRAY:
+                        if(!idxlst) idxlst=eppic_calloc(sizeof(int)*(MAXIDX+1));
+                        if(nidx >= MAXIDX) eppic_error("Too many indexes! max=%d\n", MAXIDX);
+                        if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0)
+	                {
+                            idxlst[nidx++]=TYPE_LENGTH (type) / TYPE_LENGTH (check_typedef(TYPE_TARGET_TYPE (type)));
+                        }
+                        type=TYPE_TARGET_TYPE(type);
+		break;
+
+		/* typedef points to a typedef itself */
+		case TYPE_CODE_TYPEDEF:
+                        type=TYPE_TARGET_TYPE(type);
+		break;
+
+		case TYPE_CODE_INT:
+
+			eppic_parsetype(tstr=TYPE_NAME(type), t, 0);
+			type=0;
+		break;
+
+		case TYPE_CODE_BOOL:
+			eppic_parsetype("char", t, ref);
+			type=0;
+			break;
+
+		case TYPE_CODE_UNION: 
+			eppic_type_mkunion(t);
+			goto label;
+
+		case TYPE_CODE_ENUM:
+			eppic_type_mkenum(t);
+			goto label;
+
+		case TYPE_CODE_STRUCT:
+		{
+			eppic_type_mkstruct(t);
+
+label:
+			eppic_type_setsize(t, TYPE_LENGTH(type));
+			eppic_type_setidx(t, (ull)(unsigned long)type);
+			tstr=TYPE_TAG_NAME(type);
+                        if(tstr) apigetctype(V_STRUCT, tstr, t);
+                        type=0;
+		}
+		break;
+
+		/* we don;t have all the info about it */
+		case TYPE_CODE_VOID:
+			eppic_parsetype("int", t, 0);
+                        type=0;
+		break;
+
+
+		default: 
+			eppic_error("Oops drilldowntype");
+		break;
+		}
+
+
+	}
+	eppic_setupidx(t, ref, nidx, idxlst);
+	if(fctflg) eppic_type_setfct(t, 1);
+	eppic_pushref(t, ref+(nidx?1:0));
+	if(tstr) return eppic_strdup(tstr);
+	return eppic_strdup("");
+}
+
+static char *
+apigetrtype(ull idx, TYPE_S *t)
+{
+	return drilldowntype((struct type*)(unsigned long)(idx), t);
+}
+
+/*
+   	Return the name of a symbol at an address (if any)
+*/
+static char*
+apifindsym(char *p)
+{
+    return NULL;
+}
+
+
+/* 
+	Get the type, size and position information for a member of a structure.
+*/
+static char*
+apimember(char *mname,  ull tnum, TYPE_S *tm, MEMBER_S *m, ull *lnum)
+{
+struct type *type=(struct type*)(unsigned long)tnum;
+int midx;
+#define LASTNUM (*lnum)
+
+	/* if we're being asked the next member in a getfirst/getnext sequence */
+	if(mname && !mname[0] && LASTNUM) {
+
+		midx = LASTNUM;
+
+	} else {
+
+		if (TYPE_CODE(type) == TYPE_CODE_TYPEDEF) {
+			return 0;
+		}
+		if ((TYPE_CODE(type) != TYPE_CODE_STRUCT) && (TYPE_CODE(type) != TYPE_CODE_UNION)) {
+			return 0;
+		}
+                midx=0;
+	}
+	while(midx < TYPE_NFIELDS(type)) {
+        
+		if (!mname || !mname[0] || !strcmp(mname, TYPE_FIELD_NAME(type, midx))) {
+
+                        check_typedef(TYPE_FIELD_TYPE(type, midx));
+			eppic_member_soffset(m, TYPE_FIELD_BITPOS(type, midx)/8);
+			eppic_member_ssize(m, TYPE_FIELD_TYPE(type, midx)->length);
+			eppic_member_snbits(m, TYPE_FIELD_BITSIZE(type, midx));
+			eppic_member_sfbit(m, TYPE_FIELD_BITPOS(type, midx)%8);
+			eppic_member_sname(m, TYPE_FIELD_NAME(type, midx));
+			LASTNUM=midx+1;
+			return drilldowntype(TYPE_FIELD_TYPE(type, midx), tm);
+		}
+		midx++;
+	}
+	return 0;
+}
+
+/*
+	This function gets the proper allignment value for a type.
+*/
+static int
+apialignment(ull idx)
+{
+struct type *type=(struct type *)(unsigned long)idx;
+
+    while(1)
+    {
+	switch(TYPE_CODE(type)) {
+
+	    case TYPE_CODE_ARRAY: case TYPE_CODE_TYPEDEF:
+		    type=TYPE_TARGET_TYPE(type);
+	    break;
+
+	    case TYPE_CODE_STRUCT:
+	    case TYPE_CODE_UNION:
+	    {
+		int max=0, cur;
+		int midx=0;
+
+		while(midx < TYPE_NFIELDS(type)) {
+                    cur=apialignment((ull)(unsigned long)TYPE_FIELD_TYPE(type, midx));
+	            if(cur > max) max=cur;
+	            midx++;
+		}
+		return max;
+            }
+            
+
+	    case TYPE_CODE_PTR:
+	    case TYPE_CODE_ENUM:
+	    case TYPE_CODE_INT:
+
+		    return TYPE_LENGTH (type);
+
+	    default:
+
+		    eppic_error("Oops apialignment");
+	}
+    }
+}
+
+/* get the value of a symbol */
+static int
+apigetval(char *name, ull *val,  VALUE_S *value)
+{
+    if (symbol_exists(name)) {
+
+        *val=symbol_value(name);
+
+        if(value) {
+            struct expression *expr;
+            struct value *sval;
+            struct cleanup *old_chain = NULL;
+            struct type *type;
+            VALUE_S *vref;
+            TYPE_S *stype;
+            expr = parse_expression (name);
+            old_chain = make_cleanup (free_current_contents, &expr);
+            sval = evaluate_type (expr);
+            type = value_type(sval);
+            stype=eppic_gettype(value);
+            apigetrtype((ull)type, stype);
+            eppic_pushref(stype, 1);
+            eppic_setmemaddr(value, *val);
+            eppic_do_deref(1, value, value);
+            *val=eppic_getval(value);
+            if(!eppic_typeislocal(stype) && eppic_type_getidx(stype) > 100) {
+                char *tname;
+                type=(struct type*)((long)eppic_type_getidx(stype));
+                if(type->main_type) tname=type->main_type->tag_name;
+                if(tname) eppic_chktype(stype, tname);
+            }
+            do_cleanups (old_chain);
+        }
+        return 1;
+    }
+    return 0;
+}
+
+/*
+	Get the list of enum symbols.
+*/
+ENUM_S*
+apigetenum(char *name)
+{
+    struct symbol *sym;
+
+#ifdef GDB_6_1
+    sym = lookup_symbol(name, 0, STRUCT_DOMAIN, 0, (struct symtab **) NULL);
+#else
+    sym = lookup_symbol(name, 0, STRUCT_DOMAIN, 0);
+#endif
+    if (sym && TYPE_CODE(sym->type)==TYPE_CODE_ENUM) {
+	ENUM_S *et=0;
+        struct type *type=sym->type;
+        int n=0;
+	while(n < TYPE_NFIELDS (type)) {
+      	    et=eppic_add_enum(et, eppic_strdup(TYPE_FIELD_NAME(type, n)), TYPE_FIELD_BITPOS(type, n));
+            n++;
+	}
+        return et;
+    }
+    return 0;
+}
+
+/*
+	Return the list of preprocessor defines.
+	For Irix we have to get the die for a startup.c file.
+	Of dwarf type DW_TAG_compile_unit.
+	the DW_AT_producer will contain the compile line.
+
+	We then need to parse that line to get all the -Dname[=value]
+*/
+DEF_S *
+apigetdefs(void)
+{
+DEF_S *dt=0;
+int i;
+static struct linuxdefs_s {
+
+	char *name;
+	char *value;
+
+} linuxdefs[] = {
+
+	{"crash",		"1"},
+	{"linux",		"1"},
+	{"__linux",		"1"},
+	{"__linux__",		"1"},
+	{"unix",		"1"},
+	{"__unix",		"1"},
+	{"__unix__",		"1"},
+	// helper macros
+	{"LINUX_2_2_16",	"(LINUX_RELEASE==0x020210)"},
+	{"LINUX_2_2_17",	"(LINUX_RELEASE==0x020211)"},
+	{"LINUX_2_4_0",		"(LINUX_RELEASE==0x020400)"},
+	{"LINUX_2_2_X",		"(((LINUX_RELEASE) & 0xffff00) == 0x020200)"},
+	{"LINUX_2_4_X",		"(((LINUX_RELEASE) & 0xffff00) == 0x020400)"},
+	{"LINUX_2_6_X",		"(((LINUX_RELEASE) & 0xffff00) == 0x020600)"},
+	{"LINUX_3_X_X",         "(((LINUX_RELEASE) & 0xff0000) == 0x030000)"},
+	{"NULL",         "0"},
+#ifdef i386
+	{"i386",         "1"},
+	{"__i386",       "1"},
+	{"__i386__",     "1"},
+	{"BITS_PER_LONG","32"},
+#endif
+#ifdef s390
+	{"s390",         "1"},
+	{"__s390",       "1"},
+	{"__s390__",     "1"},
+	{"BITS_PER_LONG","32"},
+#endif
+#ifdef s390x
+	 {"s390x",       "1"},
+	 {"__s390x",     "1"},
+	 {"__s390x__",   "1"},
+	{"BITS_PER_LONG","32"},
+#endif
+#ifdef __ia64__
+	{"ia64",         "1"},
+	{"__ia64",       "1"},
+	{"__ia64__",     "1"},
+	{"__LP64__",     "1"},
+	{"_LONGLONG",    "1"},
+	{"__LONG_MAX__", "9223372036854775807L"},
+	{"BITS_PER_LONG","64"},
+#endif
+#ifdef __x86_64__
+	{"x86_64",         "1"},
+	{"_x86_64_",       "1"},
+	{"__x86_64__",     "1"},
+	{"__LP64__",     "1"},
+	{"_LONGLONG",    "1"},
+	{"__LONG_MAX__", "9223372036854775807L"},
+	{"BITS_PER_LONG","64"},
+#endif
+#ifdef ppc64
+	{"ppc64",       "1"},
+	{"__ppc64",     "1"},
+	{"__ppc64__",   "1"},
+	{"BITS_PER_LONG","64"},
+#endif
+	};
+        
+static char *untdef[] = { 
+    "clock",  
+    "mode",  
+    "pid",  
+    "uid",  
+    "xtime",  
+    "init_task", 
+    "size", 
+    "type",
+    "level",
+    0 
+};
+
+#if 0
+How to extract basic set of -D flags from the kernel image
+
+	prod=eppic_strdup(kl_getproducer());
+	for(p=prod; *p; p++) {
+
+		if(*p=='-' && *(p+1)=='D') {
+
+			char *def=p+2;
+
+			while(*p && *p != '=' && *p != ' ') p++;
+
+			if(!*p || *p == ' ') {
+
+				*p='\0';
+				dt=eppic_add_def(dt, eppic_strdup(def), eppic_strdup("1"));
+
+			} else {
+
+				char *val=p+1;
+
+				*p++='\0';
+				while(*p && *p != ' ') p++;
+				*p='\0';
+
+				dt=eppic_add_def(dt, eppic_strdup(def), eppic_strdup(val));
+			}
+		}
+	}
+#endif	
+
+        /* remove some tdef with very usual identifier.
+           could also be cases where the kernel defined a type and variable with same name e.g. xtime.
+           the same can be accomplished in source using #undef <tdefname> or forcing the evaluation of 
+           a indentifier as a variable name ex: __var(xtime).
+           
+           I tried to make the grammar as unambiqguous as I could.
+           
+           If this becomes to much of a problem I might diable usage of all image typedefs usage in eppic!
+        */ 
+        {
+            char **tdefname=untdef;
+            while(*tdefname) eppic_addneg(*tdefname++);;
+            
+        }
+        
+	/* insert constant defines from list above */
+	for(i=0;i<sizeof(linuxdefs)/sizeof(linuxdefs[0]);i++) {
+
+		dt=eppic_add_def(dt, eppic_strdup(linuxdefs[i].name), 
+			eppic_strdup(linuxdefs[i].value));
+	}
+
+#if 1
+        {
+            ull addr;
+            char banner[200];
+            if(apigetval("linux_banner", &addr, NULL)) {
+                if(apigetmem(addr, banner, sizeof banner-1)) {
+                
+                    // parse the banner string and set up release macros
+                    banner[sizeof banner -1]='\0';
+                    char *tok=strtok(banner, " \t");
+                    if(tok) tok=strtok(NULL, " \t");
+                    if(tok) tok=strtok(NULL, " \t");
+                    if(tok) {
+                        int version, patchlevel, sublevel, ret;
+                        ret = sscanf(tok, "%d.%d.%d-", &version, &patchlevel, &sublevel);
+			switch (ret) {
+			case 2:
+			    sublevel = 0;
+			case 3:
+			    sprintf(banner, "0x%02x%02x%02x", version, patchlevel, sublevel);
+		            dt=eppic_add_def(dt, eppic_strdup("LINUX_RELEASE"), eppic_strdup(banner));
+                            eppic_msg("Core LINUX_RELEASE == '%s'\n", tok);
+			default:
+			    break;
+                        }
+                    }
+                }
+                else eppic_msg("Eppic init: could not read symbol 'linux_banner' from corefile.\n");
+            }
+            else eppic_msg("Eppic init: could not find symbol 'linux_banner' in corefile.\n");
+        }
+#endif
+	return dt;
+}
+
+apiops icops= {
+	apigetmem, 
+	apiputmem, 
+	apimember, 
+	apigetctype, 
+	apigetrtype, 
+	apialignment, 
+	apigetval, 
+	apigetenum, 
+	apigetdefs,
+	apigetuint8,
+	apigetuint16,
+	apigetuint32,
+	apigetuint64,
+	apifindsym
+};
+
+void
+eppic_version(void)
+{
+	eppic_msg("< Eppic interpreter version %d.%d >\n"
+		, S_MAJOR, S_MINOR);
+}
+
+static void
+run_callback(void)
+{
+extern char *crash_global_cmd();
+FILE *ofp = NULL;
+
+	if (fp) {
+		ofp = eppic_getofile();
+		eppic_setofile(fp);
+	}
+
+	eppic_cmd(crash_global_cmd(), args, argcnt);
+
+	if (ofp) 
+		eppic_setofile(ofp);
+}
+
+
+void
+edit_cmd(void)
+{
+int c, file=0;
+        while ((c = getopt(argcnt, args, "lf")) != EOF) {
+                switch(c)
+                {
+                case 'l':
+                    eppic_vilast();
+                    return;
+                break;
+                case 'f':
+                    file++;
+                break;
+                default:
+                        argerrs++;
+                        break;
+                }
+        }
+
+        if (argerrs)
+                cmd_usage(crash_global_cmd(), SYNOPSIS);
+
+        else if(args[optind]) {
+            while(args[optind]) {
+	        eppic_vi(args[optind++], file);
+            }
+	}
+        else cmd_usage(crash_global_cmd(), SYNOPSIS);
+}
+
+char *edit_help[]={
+		"edit",
+                "Start a $EDITOR session of a eppic function or file",
+                "<-f fileName>|<function name>",
+                "This command can be use during a tight development cycle",
+                "where frequent editing->run->editing sequences are executed.",
+                "To edit a known eppic macro file use the -f option. To edit the file",
+                "at the location of a known function's declaration omit the -f option.",
+                "Use a single -l option to be brought to the last compile error location.",
+                "",
+                "EXAMPLES:",
+                "  %s> edit -f ps",
+                "  %s> edit ps",
+                "  %s> edit ps_opt",
+                "  %s> edit -l",
+                NULL
+};
+
+
+// these control debug mode when parsing (pre-processor and compile)
+int eppicdebug, eppicppdebug;
+
+void
+load_cmd(void)
+{
+	if(argcnt< 2) cmd_usage(crash_global_cmd(), SYNOPSIS);
+	else {
+            eppic_setofile(fp);
+            eppic_loadunload(1, args[1], 0);
+        }
+}
+
+char *load_help[]={
+		"load",
+                "Load a eppic file",
+                "<fileName>|<Directory>",
+                "  Load a file or a directory. In the case of a directory",
+		"  all files in that directory will be loaded.",
+                NULL
+                
+};
+
+void
+unload_cmd(void)
+{
+	if(argcnt < 2) cmd_usage(crash_global_cmd(), SYNOPSIS);
+	else eppic_loadunload(0, args[1], 0);
+}
+
+char *unload_help[]={
+		"unload",
+                "Unload a eppic file",
+                "<fileName>|<Directory>",
+                "  Unload a file or a directory. In the case of a directory",
+		"  all files in that directory will be unloaded.",
+                NULL
+};
+
+void
+sdebug_cmd(void)
+{
+	if(argcnt < 2) eppic_msg("Current eppic debug level is %d\n", eppic_getdbg());
+	else eppic_setdbg(atoi(args[1]));
+}
+
+char *sdebug_help[]={
+		"sdebug",
+                "Print or set eppic debug level",
+                "<Debug level 0..9>",
+                "  Set the debug of eppic. Without any parameter, shows the current debug level.",
+                NULL
+};
+
+void
+sname_cmd(void)
+{
+	if(argcnt < 2) {
+            if(eppic_getname()) eppic_msg("Current eppic name match is '%s'\n", eppic_getname());
+            else eppic_msg("No name match specified yet.\n");
+	} else eppic_setname(args[1]);
+}
+
+char *sname_help[]={
+		"sname",
+                "Print or set eppic name match.",
+                "<name>",
+                "  Set eppic name string for matches. Debug messages that are object oriented",
+                "  will only be displayed if the object name (struct, type, ...) matches this",
+		"  value.",
+                NULL
+};
+
+void
+sclass_cmd(void)
+{
+	if(argcnt < 2) {
+            char **classes=eppic_getclass();
+            eppic_msg("Current eppic classes are :");
+            while(*classes) eppic_msg("'%s' ", *classes++);
+            eppic_msg("\n");
+	
+        }
+        else {
+            int i;
+            for(i=1; i<argcnt; i++) eppic_setclass(args[i]);
+        }
+}
+
+char *sclass_help[]={
+		"sclass",
+                "Print or set eppic debug message class(es).",
+                "<className>[, <className>]",
+                "  Set eppic debug classes. Only debug messages that are in the specified classes",
+                "  will be displayed.",
+                NULL
+};
+
+#define NCMDS 200
+static struct command_table_entry command_table[NCMDS] =  {
+
+	{"edit", edit_cmd, edit_help},
+	{"load", load_cmd, load_help},
+	{"unload", unload_cmd, unload_help},
+	{"sdebug", sdebug_cmd, sdebug_help},
+	{"sname", sname_cmd, sname_help},
+	{"sclass", sclass_cmd, sclass_help},
+	{(char *)0 }
+};
+
+static void
+add_eppic_cmd(char *name, void (*cmd)(void), char **help, int flags)
+{
+struct command_table_entry *cp;
+struct command_table_entry *crash_cmd_table();
+
+    // check for a clash with native commands
+    for (cp = crash_cmd_table(); cp->name; cp++) {
+        if (!strcmp(cp->name, name)) {
+            eppic_msg("Eppic command name '%s' conflicts with native crash command.\n", name);
+            return;
+        }
+    }
+
+    // make sure we have enough space for the new command
+    if(!command_table[NCMDS-2].name) {
+        for (cp = command_table; cp->name; cp++);
+        cp->name=eppic_strdup(name);
+        cp->func=cmd;
+        cp->help_data=help;
+        cp->flags=flags;
+    }
+}
+
+static void
+rm_eppic_cmd(char *name)
+{
+struct command_table_entry *cp, *end;
+
+    for (cp = command_table; cp->name; cp++) {
+        if (!strcmp(cp->name, name)) {
+            eppic_free(cp->name);
+            memmove(cp, cp+1, sizeof *cp *(NCMDS-(cp-command_table)-1));
+            break;
+        }
+    }
+}
+
+/*
+	This function is called for every new function
+	generated by a load command. This enables us to
+	register new commands.
+
+	We check here is the functions:
+
+	fname_help()
+	fname_opt()
+	and
+	fname_usage()
+
+	exist, and if so then we have a new command.
+	Then we associated (register) a function with
+	the standard eppic callbacks.
+*/
+void
+reg_callback(char *name, int load)
+{
+char fname[MAX_SYMNAMELEN+sizeof("_usage")+1];
+char *help_str, *opt_str;
+char **help=malloc(sizeof *help * 5);
+
+    if(!help) return;
+    snprintf(fname, sizeof(fname), "%s_help", name);
+    if(eppic_chkfname(fname, 0)) {
+        snprintf(fname, sizeof(fname), "%s_usage", name);
+        if(eppic_chkfname(fname, 0)) {
+            if(load) {
+                opt_str=eppic_strdup((char*)(unsigned long)eppic_exefunc(fname, 0));
+                snprintf(fname, sizeof(fname), "%s_help", name);
+                help_str=eppic_strdup((char*)(unsigned long)eppic_exefunc(fname, 0));
+                help[0]=eppic_strdup(name);
+                help[1]="";
+                help[2]=eppic_strdup(opt_str);
+                help[3]=eppic_strdup(help_str);
+                help[4]=0;
+                add_eppic_cmd(name, run_callback, help, 0);
+                eppic_free(help_str);
+                eppic_free(opt_str);
+                return;
+            }
+            else rm_eppic_cmd(name);
+        }
+    }
+    free(help);
+    return;
+}
+
+/* 
+ *  The _fini() function is called if the shared object is unloaded. 
+ *  If desired, perform any cleanups here. 
+ */
+void _fini() 
+{ 
+    // need to unload any files we have loaded
+    
+}
+
+VALUE_S *curtask(VALUE_S *v, ...)
+{
+unsigned long get_curtask();
+    return eppic_makebtype((ull)get_curtask());
+}
+
+_init() /* Register the command set. */
+{ 
+#define LCDIR "/usr/share/eppic/crash"
+#define LCIDIR "include"
+#define LCUDIR ".eppic"
+
+
+	if(eppic_open() >= 0) {
+
+		char *path, *ipath;
+		char *homepath=0;
+               	char *home=getenv("HOME");
+
+		/* set api, default size, and default sign for types */
+#ifdef i386
+#define EPPIC_ABI  ABI_INTEL_X86
+#else 
+#ifdef __ia64__
+#define EPPIC_ABI  ABI_INTEL_IA
+#else
+#ifdef __x86_64__
+#define EPPIC_ABI  ABI_INTEL_IA
+#else
+#ifdef __s390__
+#define EPPIC_ABI  ABI_S390
+#else
+#ifdef __s390x__
+#define EPPIC_ABI  ABI_S390X
+#else
+#ifdef PPC64
+#define EPPIC_ABI  ABI_PPC64
+#else
+#error eppic: Unkown ABI 
+#endif
+#endif
+#endif
+#endif
+#endif
+#endif
+		eppic_apiset(&icops, EPPIC_ABI, sizeof(long), 0);
+
+		eppic_version();
+
+        	/* set the macro search path */
+        	if(!(path=getenv("EPPIC_MPATH"))) {
+
+                	if(home) {
+
+                        	path=eppic_alloc(strlen(home)+sizeof(LCUDIR)+sizeof(LCDIR)+4);
+				homepath=eppic_alloc(strlen(home)+sizeof(LCUDIR)+2);
+
+				/* build a path for call to eppic_load() */
+				strcpy(homepath, home);
+				strcat(homepath, "/");
+				strcat(homepath, LCUDIR);
+
+				/* built the official path */
+                        	strcpy(path, LCDIR);
+                        	strcat(path, ":");
+                        	strcat(path, home);
+                        	strcat(path, "/");
+				strcat(path, LCUDIR);
+                	}
+                	else path=LCDIR;
+		}
+		eppic_setmpath(path);
+
+		fprintf(fp, "\tLoading eppic commands from %s .... ",
+                                         path);
+
+		/* include path */
+		if(!(ipath=getenv("EPPIC_IPATH"))) {
+
+                	if(home) {
+
+                        	ipath=eppic_alloc(strlen(home)+sizeof(LCDIR)+sizeof(LCUDIR)+(sizeof(LCIDIR)*2)+(sizeof("/usr/include")+2)+6);
+
+				/* built the official path */
+                        	strcpy(ipath, LCDIR);
+                        	strcat(ipath, "/"LCIDIR":");
+                        	strcat(ipath, home);
+                        	strcat(ipath, "/");
+				strcat(ipath, LCUDIR);
+				strcat(ipath, "/"LCIDIR);
+				strcat(ipath, ":/usr/include");
+                	}
+                	else ipath=LCDIR"/"LCIDIR;
+		}
+		eppic_setipath(ipath);
+
+		/* set the new function callback */
+		eppic_setcallback(reg_callback);
+
+		/* load the default macros */
+		eppic_loadall();
+
+		/* load some eppic specific commands */
+                register_extension(command_table);
+                
+                /* some builtins */
+        	eppic_builtin("int curtask()", curtask);
+                
+                fprintf(fp, "Done.\n");
+	} 
+        return 1;
+}
+

Places

File eppic-switch-to-system-lib.patch of Package crash (Revision 2da90decbf967af4123c26e065e5d31b)

Places