added tests, starting parsing dysymtab

nm-otool/Makefile

@@ -6,7 +6,7 @@
 #    By: jhalford <jack@crans.org>                  +#+  +:+       +#+         #
 #                                                 +#+#+#+#+#+   +#+            #
 #    Created: 2017/02/19 03:29:38 by jhalford          #+#    #+#              #
-#    Updated: 2017/02/20 15:38:45 by jhalford         ###   ########.fr        #
+#    Updated: 2017/03/01 16:00:29 by jhalford         ###   ########.fr        #
 #                                                                              #
 # **************************************************************************** #
 

nm-otool/includes/ft_nm_otool.h

@@ -6,7 +6,7 @@
 /*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2017/02/20 14:36:10 by jhalford          #+#    #+#             */
-/*   Updated: 2017/02/20 16:10:27 by jhalford         ###   ########.fr       */
+/*   Updated: 2017/03/01 17:52:35 by jhalford         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -27,7 +27,7 @@
 # define IS_MAGIC_64(x)	(x == MH_MAGIC_64 || x == MH_CIGAM_64)
 # define IS_FAT(x)		(x == FAT_MAGIC || x == FAT_CIGAM)
 
-void	dump_symtab(struct symtab_command *sym, void *file);
+void	dump_symtab(struct symtab_command *sym, struct dysymtab_command *dysym, void *file);
 void	*hexdump(void *addr, unsigned int offset, unsigned int size);
 
 #endif

nm-otool/src/dump_symtab.c

@@ -6,23 +6,56 @@
 /*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2017/02/20 13:20:22 by jhalford          #+#    #+#             */
-/*   Updated: 2017/02/20 15:03:38 by jhalford         ###   ########.fr       */
+/*   Updated: 2017/03/01 17:55:11 by jhalford         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "ft_nm_otool.h"
 
-void	dump_symtab(struct symtab_command *sym, void *file)
+void	dump_symtab(struct symtab_command *sym, struct dysymtab_command *dysym, void *file)
 {
 	int						i;
 	int						nsyms;
 	char					*stringtable;
+	char					*string;
 	struct nlist_64			*array;
+	struct dylib_reference	*ref;
 
 	nsyms = sym->nsyms;
 	array = file + sym->symoff;
-	stringtable = (void*)file + sym->stroff;
+	stringtable = file + sym->stroff;
-	ft_printf("{und}LC_SYMTAB w/ [%d] symbols:{eoc}\n", sym->nsyms);
+	ft_printf("LC_SYMTAB [%d] symbols:\n", sym->nsyms);
-	for (i = 0; i < nsyms; ++i)
+	i = 0;
+	while (++i < nsyms)
+	{
 		ft_printf("%s\n", stringtable + array[i].n_un.n_strx);
 	}
+	ft_putendl("");
+
+	ft_printf("ilocalsym %i\n", dysym->ilocalsym);
+	ft_printf("nlocalsym %i\n", dysym->nlocalsym);
+
+	ft_printf("iextdefsym %i\n", dysym->iextdefsym);
+	ft_printf("nextdefsym %i\n", dysym->nextdefsym);
+
+	ft_printf("iundefsym %i\n", dysym->iundefsym);
+	ft_printf("nundefsym %i\n", dysym->nundefsym);
+
+	i = -1;
+	ft_printf("LC_DYSYMTAB ntoc=[%d]\n", dysym->ntoc);
+	ft_printf("LC_DYSYMTAB nmodtab=[%d]\n", dysym->nmodtab);
+	ft_printf("LC_DYSYMTAB nextrefsyms=[%d]\n", dysym->nextrefsyms);
+	ft_printf("LC_DYSYMTAB nmodtab=[%d]\n", dysym->nmodtab);
+	ft_printf("LC_DYSYMTAB nindirectsyms=[%d]\n", dysym->nindirectsyms);
+	ft_printf("LC_DYSYMTAB nextrel=[%d]\n", dysym->nextrel);
+	ft_printf("LC_DYSYMTAB nlocrel=[%d]\n", dysym->nlocrel);
+	ft_putendl("");
+	ref = file + dysym->indirectsymoff;
+	while (++i < (int)dysym->nindirectsyms)
+	{
+		string = stringtable + array[ref->isym].n_un.n_strx;
+		ft_printf("%i: %s,%#x\n", ref->isym, string, ref->flags);
+		ref += 1;
+	}
+	(void)file;
+}

nm-otool/src/ft_nm.c

@@ -6,7 +6,7 @@
 /*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2017/02/19 03:09:12 by jhalford          #+#    #+#             */
-/*   Updated: 2017/02/20 16:45:26 by jhalford         ###   ########.fr       */
+/*   Updated: 2017/03/01 17:53:31 by jhalford         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -34,25 +34,34 @@ void	dump_segment_64(struct segment_command_64 *seg, void *file)
 	}
 }
 
+void	print_output(int nsyms, int symoff, int stroff, void *ptr);
+
 void	dump_mach_header_64(void *file)
 {
 	uint32_t				ncmds;
 	uint32_t				i;
 	struct load_command		*lc;
+	struct symtab_command	*symtab;
+	struct dysymtab_command	*dysymtab;
 	struct mach_header_64	*header = file;
 
 	ncmds = header->ncmds;
 	lc = (void*)(header + 1);
-	ft_printf("{blu}{inv}mach_header_64 w/ [%d] load_commands{eoc}\n", ncmds);
+	/* ft_printf("{blu}{inv}mach_header_64 w/ [%d] load_commands{eoc}\n", ncmds); */
 	for (i = 0; i < ncmds; i++)
 	{
-		ft_printf("{yel}{inv}load_command #%d: %#x{eoc}\n", i, lc->cmd);
+		/* ft_printf("{yel}{inv}load_command #%d: %#x{eoc}\n", i, lc->cmd); */
-		if (lc->cmd & LC_SYMTAB)
+		if (lc->cmd == LC_SYMTAB)
-			dump_symtab((struct symtab_command*)lc, file);
+			symtab = (struct symtab_command*)lc;
-		else if (lc->cmd & LC_SEGMENT_64)
+			/* dump_symtab((struct symtab_command*)lc, file); */
-			dump_segment_64((struct segment_command_64*)lc, file);
+		else if (lc->cmd == LC_DYSYMTAB)
+			dysymtab = (struct dysymtab_command*)lc;
+			/* dump_dysymtab((struct dysymtab_command*)lc, file); */
+		/* else if (lc->cmd == LC_SEGMENT_64) */
+		/* 	dump_segment_64((struct segment_command_64*)lc, file); */
 		lc = (void*)lc + lc->cmdsize;
 	}
+	dump_symtab(symtab, dysymtab, file);
 }
 
 void	dump_fat_header(void *file)

nm-otool/src/ft_otool.c

@@ -6,7 +6,7 @@
 /*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2017/02/20 14:08:14 by jhalford          #+#    #+#             */
-/*   Updated: 2017/02/20 16:27:56 by jhalford         ###   ########.fr       */
+/*   Updated: 2017/03/01 17:51:49 by jhalford         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 

nm-otool/src/hexdump.c

@@ -6,7 +6,7 @@
 /*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2017/02/20 15:14:33 by jhalford          #+#    #+#             */
-/*   Updated: 2017/02/20 16:52:26 by jhalford         ###   ########.fr       */
+/*   Updated: 2017/03/01 15:37:46 by jhalford         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 

nm-otool/tests/test_facile.c

@@ -0,0 +1,7 @@
+#include <stdio.h>
+
+int main(void)
+{
+	puts("Test facile");
+	return (0);
+}

nm-otool/tests/test_moins_facile.c

@@ -0,0 +1,9 @@
+#include <stdio.h>
+
+int une_globale = 40;
+
+int main(void)
+{
+	printf("La globale vaut: %d\n", une_globale);
+	return (0);
+}