feat: readcoff
This commit is contained in:
parent
eb24cb88c2
commit
164c1de23f
7
Makefile
7
Makefile
|
|
@ -15,9 +15,12 @@ RM = rm -f
|
|||
|
||||
MK_BUGREPORT := \"https://git.cute.engineering/d0p1/StupidOS/issues\"
|
||||
MK_COMMIT := \"$(shell git rev-parse --short HEAD)\"
|
||||
MK_PACKAGE := \"StupidOS\"
|
||||
|
||||
|
||||
CFLAGS = -DMK_COMMIT="$(MK_COMMIT)" -DMK_BUGREPORT="$(MK_BUGREPORT)" -I$(TOPDIR)include
|
||||
CFLAGS = -DMK_COMMIT="$(MK_COMMIT)" \
|
||||
-DMK_BUGREPORT="$(MK_BUGREPORT)" \
|
||||
-DMK_PACKAGE="$(MK_PACKAGE)" \
|
||||
-I$(TOPDIR)include
|
||||
LDFLAGS =
|
||||
|
||||
|
||||
|
|
|
|||
175
bin/readcoff/main.c
Normal file
175
bin/readcoff/main.c
Normal file
|
|
@ -0,0 +1,175 @@
|
|||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
#include <time.h>
|
||||
#include <string.h>
|
||||
#ifndef __stupidos__
|
||||
# include <libgen.h>
|
||||
#endif
|
||||
#include <coff.h>
|
||||
|
||||
static const struct {
|
||||
int magic;
|
||||
char *machine;
|
||||
} MACHINES[] = {
|
||||
{F_MACH_AM33, "Matsushita AM33"},
|
||||
{F_MACH_AMD64, "Intel amd64"},
|
||||
{F_MACH_ARM, "ARM"},
|
||||
{F_MACH_ARMNT, "ARM Thumb-2"},
|
||||
{F_MACH_EBC, "EFI byte code"},
|
||||
{F_MACH_I386, "Intel 80386"},
|
||||
{F_MACH_IA64, "IA64"},
|
||||
{F_MACH_M32R, "Mitsubishi M32R"},
|
||||
/* TODO */
|
||||
{F_MACH_UNKNOWN, "unknown"}
|
||||
};
|
||||
|
||||
/* */
|
||||
static const char *prg_name;
|
||||
static const char *mach = NULL;
|
||||
|
||||
/* */
|
||||
static int display_header = 0;
|
||||
static int display_program_header = 0;
|
||||
static int display_sections = 0;
|
||||
|
||||
|
||||
static void
|
||||
usage(int retval)
|
||||
{
|
||||
if (retval == EXIT_FAILURE)
|
||||
{
|
||||
fprintf(stderr, "Try '%s -h' for more informations.", prg_name);
|
||||
}
|
||||
else
|
||||
{
|
||||
printf("Usage: %s [OPTIONS...] [FILES]\n", prg_name);
|
||||
printf("Options are:\n");
|
||||
printf("\t-a\tEquivalent to: -H -l -S -s -r -d -v -A -I\n");
|
||||
printf("\t-H\tDisplay the COFF file header\n");
|
||||
}
|
||||
|
||||
exit(retval);
|
||||
}
|
||||
|
||||
static void
|
||||
version(void)
|
||||
{
|
||||
printf("%s (%s) %s", prg_name, MK_PACKAGE, MK_COMMIT);
|
||||
exit(EXIT_SUCCESS);
|
||||
}
|
||||
|
||||
int
|
||||
main(int argc, char **argv)
|
||||
{
|
||||
FILHDR file_header;
|
||||
AOUTHDR aout_header;
|
||||
SCNHDR section_header;
|
||||
char name[9];
|
||||
char *type;
|
||||
FILE *fp;
|
||||
int idx;
|
||||
time_t timedat;
|
||||
|
||||
#ifndef __stupidos__
|
||||
prg_name = basename(argv[0]);
|
||||
#else
|
||||
prg_name = argv[0];
|
||||
#endif
|
||||
|
||||
while ((argc > 1) && (argv[1][0] == '-'))
|
||||
{
|
||||
switch (argv[1][1])
|
||||
{
|
||||
case 'a':
|
||||
display_header = 1;
|
||||
display_program_header = 1;
|
||||
display_sections = 1;
|
||||
break;
|
||||
case 'H':
|
||||
display_header = 1;
|
||||
break;
|
||||
case 'h':
|
||||
usage(EXIT_SUCCESS);
|
||||
break;
|
||||
case 'V':
|
||||
version();
|
||||
break;
|
||||
}
|
||||
|
||||
argv++;
|
||||
argc--;
|
||||
}
|
||||
|
||||
if (argc <= 1) usage(EXIT_FAILURE);
|
||||
|
||||
fp = fopen(argv[1], "rb");
|
||||
if (fp == NULL)
|
||||
{
|
||||
return (EXIT_FAILURE);
|
||||
}
|
||||
|
||||
if (display_header)
|
||||
{
|
||||
if (fread(&file_header, 1, FILHSZ, fp) != FILHSZ)
|
||||
{
|
||||
return (EXIT_FAILURE);
|
||||
}
|
||||
|
||||
for (idx = 0; MACHINES[idx].magic != F_MACH_UNKNOWN; idx++)
|
||||
{
|
||||
if (MACHINES[idx].magic == file_header.f_magic)
|
||||
{
|
||||
mach = MACHINES[idx].machine;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (mach == NULL) return (EXIT_FAILURE);
|
||||
|
||||
printf("COFF Header:\n");
|
||||
printf(" Machine: %s\n", mach);
|
||||
printf(" Number of section headers: %hd\n", file_header.f_nscns);
|
||||
timedat = file_header.f_timdat;
|
||||
printf(" Created at: %s", ctime(&timedat));
|
||||
printf(" Start of Symbol Table: %d (bytes into file)\n", file_header.f_symptr);
|
||||
printf(" Number of Symbols: %d\n", file_header.f_nsyms);
|
||||
printf(" Size of optional header: %hu\n", file_header.f_opthdr);
|
||||
printf(" Flags: 0x%hx\n\n", file_header.f_flags);
|
||||
}
|
||||
|
||||
if (display_sections)
|
||||
{
|
||||
fseek(fp, file_header.f_opthdr + FILHSZ, SEEK_SET);
|
||||
printf("Section Headers:\n");
|
||||
printf("[Nr] Name Type Address Offset\n");
|
||||
printf(" Size\n");
|
||||
for (idx = 0; idx < file_header.f_nscns; idx++)
|
||||
{
|
||||
if (fread(§ion_header, 1, SCNHSZ, fp) != SCNHSZ)
|
||||
{
|
||||
return (EXIT_FAILURE);
|
||||
}
|
||||
|
||||
memset(name, 0, 9);
|
||||
memcpy(name, section_header.s_name, 8);
|
||||
if (section_header.s_flags & STYP_TEXT)
|
||||
{
|
||||
type = "TEXT";
|
||||
} else if (section_header.s_flags & STYP_DATA)
|
||||
{
|
||||
type = "DATA";
|
||||
}
|
||||
else if (section_header.s_flags & STYP_BSS)
|
||||
{
|
||||
type = "BSS";
|
||||
}
|
||||
else
|
||||
{
|
||||
type = "???";
|
||||
}
|
||||
printf("[%2d] %-8s %-8s %08X %08X\n", idx, name, type, section_header.s_vaddr, section_header.s_scnptr);
|
||||
printf(" %08X\n", section_header.s_size);
|
||||
}
|
||||
}
|
||||
|
||||
return (EXIT_SUCCESS);
|
||||
}
|
||||
|
|
@ -69,3 +69,13 @@ About: File Header
|
|||
| uint32_t | Number of entries in the symtab |
|
||||
| uint16_t | Optional header size |
|
||||
| uint16_t | Flags |
|
||||
|
||||
About: Optional Header
|
||||
|
||||
About: Section Header
|
||||
|
||||
About: Usefull links
|
||||
|
||||
- <https://wiki.osdev.org/COFF>
|
||||
- <http://www.delorie.com/djgpp/doc/coff/filhdr.html>
|
||||
- <Official Microsoft COFF Specification (2016) at https://web.archive.org/web/20230703150217/https%3A%2F%2Fdownload.microsoft.com%2Fdownload%2F9%2Fc%2F5%2F9c5b2167-8017-4bae-9fde-d599bac8184a%2Fpecoff_v83.docx>
|
||||
|
|
|
|||
|
|
@ -6,7 +6,6 @@ The "Hungarian" notation conventions MUST be used.
|
|||
|
||||
Comments:
|
||||
|
||||
TO BE ADDED
|
||||
|
||||
|
||||
About: C
|
||||
|
|
|
|||
|
|
@ -20,7 +20,7 @@ Timestamp: Updated yyyy/mm/dd
|
|||
# These are indexes you deleted, so Natural Docs will not add them again
|
||||
# unless you remove them from this line.
|
||||
|
||||
Don't Index: Variables, Macros, Classes
|
||||
Don't Index: Variables, Classes, Macros
|
||||
|
||||
|
||||
# --------------------------------------------------------------------------
|
||||
|
|
@ -48,6 +48,7 @@ Link: Source Code (https://git.cute.engineering/d0p1/StupidOS)
|
|||
File: Coding Style (docs/coding-style.txt)
|
||||
File: FAQ (docs/faq.txt)
|
||||
Link: StupidFS (https://stupidfs.d0p1.eu/)
|
||||
File: Common Object File Format &lparen;COFF&rparen; (docs/COFF.txt)
|
||||
|
||||
Group: BootLoader {
|
||||
|
||||
|
|
@ -56,11 +57,13 @@ Group: BootLoader {
|
|||
Group: BootSector {
|
||||
|
||||
File: floppy.asm (boot/bootsect/floppy.asm)
|
||||
File: hdd.asm (boot/bootsect/hdd.asm)
|
||||
} # Group: BootSector
|
||||
|
||||
Group: Loader {
|
||||
|
||||
File: loader.asm (boot/loader/loader.asm)
|
||||
File: logger.inc (boot/loader/logger.inc)
|
||||
File: memory.inc (boot/loader/memory.inc)
|
||||
} # Group: Loader
|
||||
|
||||
|
|
@ -81,6 +84,7 @@ Group: BootLoader {
|
|||
|
||||
Group: Kernel {
|
||||
|
||||
File: kernel memory map (kernel/intro.txt)
|
||||
File: kernel.asm (kernel/kernel.asm)
|
||||
} # Group: Kernel
|
||||
|
||||
|
|
@ -93,6 +97,8 @@ Group: Lib {
|
|||
|
||||
Group: Crypto {
|
||||
|
||||
File: rc4.asm (no auto-title, lib/crypto/rc4/rc4.asm)
|
||||
|
||||
Group: chacha20 {
|
||||
|
||||
File: chacha20.asm (lib/crypto/chacha20/chacha20.asm)
|
||||
|
|
@ -110,6 +116,7 @@ Group: Lib {
|
|||
|
||||
} # Group: Crypto
|
||||
|
||||
File: ctype (lib/c/ctype.asm)
|
||||
} # Group: Lib
|
||||
|
||||
Group: Index {
|
||||
|
|
@ -118,6 +125,5 @@ Group: Index {
|
|||
Constant Index: Constants
|
||||
File Index: Files
|
||||
Function Index: Functions
|
||||
Property Index: Properties
|
||||
} # Group: Index
|
||||
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
TARGET = fat$(EXEXT) coff-ld$(EXEXT) parted$(EXEXT) mkfs.stpd$(EXEXT)
|
||||
TARGET = fat$(EXEXT) coff-ld$(EXEXT) parted$(EXEXT) mkfs.stpd$(EXEXT) readcoff$(EXEXT)
|
||||
|
||||
.PHONY: all
|
||||
all: $(TARGET)
|
||||
|
|
@ -6,15 +6,14 @@ all: $(TARGET)
|
|||
fat$(EXEXT): fat.c
|
||||
$(CC) -o $@ $^ $(CFLAGS) $(LDFLAGS)
|
||||
|
||||
coff-ld$(EXEXT): coff-ld.c
|
||||
coff-ld$(EXEXT): ../bin/ld/main.c
|
||||
$(CC) -o $@ $^ $(CFLAGS) $(LDFLAGS)
|
||||
|
||||
readcoff$(EXEXT): ../bin/readcoff/main.c
|
||||
$(CC) -o $@ $^ $(CFLAGS) $(LDFLAGS)
|
||||
|
||||
parted$(EXEXT): ../sbin/parted/main.c
|
||||
ifneq (,$(findstring cl,$(CC)))
|
||||
$(CC) /Fo:$@ $^ $(CFLAGS) $(LDFLAGS)
|
||||
else
|
||||
$(CC) -o $@ $^ $(CFLAGS) $(LDFLAGS)
|
||||
endif
|
||||
|
||||
mkfs.stpd$(EXEXT): ../sbin/mkfs.stpd/main.c
|
||||
$(CC) -o $@ $^ $(CFLAGS) $(LDFLAGS)
|
||||
|
|
|
|||
1
tools/coff2elf/main.c
Normal file
1
tools/coff2elf/main.c
Normal file
|
|
@ -0,0 +1 @@
|
|||
#include <coff.h>
|
||||
Loading…
Reference in a new issue