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some norme

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This commit is contained in:
Jack Halford 2017-10-07 18:36:09 +02:00
parent 44b23be0a0
commit cfa90b1cd8
7 changed files with 23 additions and 89 deletions
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1
nm-otool/Makefile
View file

@ -38,7 +38,6 @@ dump_symtab.c\
fetch_header.c\
ft_nm.c\
ft_otool.c\
hexdump.c\
mach_o_parse.c\
symbol_filter.c\
symbol_format.c\

3
nm-otool/srcs/dump_symtab.c
View file

@ -6,7 +6,7 @@
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/03/25 19:39:15 by jhalford #+# #+# */
/* Updated: 2017/03/26 15:22:52 by jhalford ### ########.fr */
/* Updated: 2017/10/07 18:26:32 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
@ -32,4 +32,3 @@ void dump_dysymtab(t_machodata *data, struct dysymtab_command *dysymtab)
ft_printf("nlocrel %i\n", dysymtab->nlocrel);
ft_putendl("");
}

30
nm-otool/srcs/fetch_header.c
View file

@ -6,7 +6,7 @@
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/03/23 15:56:37 by jhalford #+# #+# */
/* Updated: 2017/03/26 19:05:53 by jhalford ### ########.fr */
/* Updated: 2017/10/07 18:31:01 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
@ -39,14 +39,15 @@ static void seg_64_parse(t_machodata *data, struct segment_command_64 *seg)
nsects = seg->nsects;
sect = (void*)(seg + 1);
for (i = 0; i < nsects; i++)
i = -1;
while (++i < nsects)
{
ft_lsteadd(&data->sects, ft_lstnew(&sect, sizeof(sect)));
sect = sect + 1;
}
}
void mach_64_parse(t_machodata *data)
void mach_64_parse(t_machodata *data)
{
uint32_t ncmds;
uint32_t i;
@ -56,7 +57,8 @@ void mach_64_parse(t_machodata *data)
header = data->file;
ncmds = header->ncmds;
lc = (void*)(header + 1);
for (i = 0; i < ncmds; i++)
i = -1;
while (++i < ncmds)
{
if (lc->cmd == LC_SYMTAB)
symtab_parse(data, (struct symtab_command*)lc);
@ -67,23 +69,3 @@ void mach_64_parse(t_machodata *data)
lc = (void*)lc + lc->cmdsize;
}
}
/* static void fetch_fatheader(t_machodata *data) */
/* { */
/* int i; */
/* int nfat_arch; */
/* struct fat_arch *arch; */
/* struct fat_header *header; */
/* header = data->file; */
/* nfat_arch = header->nfat_arch; */
/* arch = (void*)(header + 1); */
/* ft_printf("{yel}{inv}FAT header w/ [%i] architures{eoc}\n", nfat_arch); */
/* for (i = 0; i < nfat_arch; i++) */
/* { */
/* ft_printf("CPU type=[%i]", arch->cputype); */
/* fetch_machheader64(data->file + arch->offset, data); */
/* arch += 1; */
/* } */
/* } */

23
nm-otool/srcs/ft_otool.c
View file

@ -6,7 +6,7 @@
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/02/20 14:08:14 by jhalford #+# #+# */
/* Updated: 2017/03/27 20:41:01 by jhalford ### ########.fr */
/* Updated: 2017/10/07 18:35:37 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
@ -15,19 +15,21 @@
void *get_text_section(void *file)
{
uint32_t i;
uint32_t j;
struct load_command *lc;
struct mach_header_64 *header = file;
struct segment_command_64 *seg;
struct section_64 *sect;
lc = (void*)(header + 1);
for (i = 0; i < header->ncmds; i++)
lc = (void*)((struct mach_header_64*)file + 1);
i = -1;
while (++i < ((struct mach_header_64*)file)->ncmds)
{
if (lc->cmd & LC_SEGMENT_64)
{
seg = (struct segment_command_64*)lc;
sect = (void*)(seg + 1);
for (i = 0; i < seg->nsects; i++)
j = -1;
while (++j < seg->nsects)
{
if (ft_strcmp(sect->sectname, "__text") == 0)
return (sect);
@ -41,14 +43,13 @@ void *get_text_section(void *file)
void otool(void *file)
{
uint32_t magic = *(int *)file;
int is_fat = IS_FAT(magic);
int is_64 = IS_MAGIC_64(magic);
struct section_64 *sect;
uint32_t magic;
struct section_64 *sect;
if (is_fat)
magic = *(int *)file;
if (IS_FAT(magic))
ft_printf("fat binary not supported yet\n");
else if (is_64)
else if (IS_MAGIC_64(magic))
{
sect = get_text_section(file);
ft_printf("Contents of (__TEXT,__text) section\n");

47
nm-otool/srcs/hexdump.c
View file

@ -1,47 +0,0 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* hexdump.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/02/20 15:14:33 by jhalford #+# #+# */
/* Updated: 2017/03/26 19:11:17 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
#include "ft_nm_otool.h"
static void print_hex_contents(void *addr, unsigned int size)
{
void *a;
a = addr;
while (a - addr < 16)
{
if ((a - addr) >= size)
break ;
else
ft_printf("%02x", *(unsigned char*)a);
ft_putchar(' ');
a++;
}
}
void *hexdump(void *addr, unsigned int offset, unsigned int size)
{
void *a;
addr += offset;
a = addr;
if (addr == NULL)
return (addr);
while ((a - addr) < size)
{
ft_printf("%0*llx\t", 16, (a - addr) + (unsigned long)offset);
print_hex_contents(a, (size - (a - addr)));
ft_putchar('\n');
a += 16;
}
return (addr);
}

4
nm-otool/srcs/symbol_init.c
View file

@ -6,7 +6,7 @@
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/03/25 21:22:06 by jhalford #+# #+# */
/* Updated: 2017/03/27 20:36:57 by jhalford ### ########.fr */
/* Updated: 2017/10/07 18:35:41 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
@ -14,7 +14,7 @@
t_machodata *g_data;
int symbol_init(t_symbol *symbol, char *stringtable, struct nlist_64 *array, int i)
int symbol_init(t_symbol *symbol, char *stringtable, struct nlist_64 *array, int i)
{
symbol->type = 0;
symbol->pos = i;

4
nm-otool/srcs/symbol_sort.c
View file

@ -6,7 +6,7 @@
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/03/27 20:33:02 by jhalford #+# #+# */
/* Updated: 2017/03/27 20:33:03 by jhalford ### ########.fr */
/* Updated: 2017/10/07 18:29:45 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
@ -24,7 +24,7 @@ static int sym_nsort(t_symbol *sym1, t_symbol *sym2)
return (sym1->nlist->n_value > sym2->nlist->n_value ? 1 : -1);
}
int symbol_sort(t_list **syms, t_flag flag)
int symbol_sort(t_list **syms, t_flag flag)
{
if (!(flag & NM_NOSORT))
{