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query: output executable metadata for EXEC tags

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This commit is contained in:
max 🍓
2025-07-04 15:35:07 +01:00
parent 06362e204a
commit b588f860e1
2 changed files with 72 additions and 2 deletions
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47
src/query.c
View File

@@ -12,6 +12,7 @@
#include <blue/term.h>
#include <ctype.h>
#include <errno.h>
#include <inttypes.h>
#include <stdlib.h>
enum {
@@ -131,6 +132,52 @@ static void print_tag_info(struct ec3_image_ioctx *image)
printf(" %-8s: %llu bytes\n",
"size",
tags[i].tag_total_length);
if (tags[i].tag_type != EC3_TAG_EXEC) {
continue;
}
printf(" %-8s: ", "exec");
const struct ec3_tag_executable_info *exec = &tags[i].tag_exe;
switch (exec->exe_format) {
case EC3_EXEC_ELF:
printf("ELF\n");
printf(" entry = [%06" PRIx64 "]\n",
exec->exe_elf.elf_entry);
printf(" text = [0x%06" PRIx32
"-0x%06" PRIx32 "]->[0x%016" PRIx64
"-0x%016" PRIx64
"] "
"(align=0x%" PRIx32 ")\n",
exec->exe_elf.elf_text_offset,
exec->exe_elf.elf_text_offset
+ exec->exe_elf.elf_text_filesz,
exec->exe_elf.elf_text_vaddr,
exec->exe_elf.elf_text_vaddr
+ exec->exe_elf.elf_text_memsz,
exec->exe_elf.elf_text_align);
printf(" data = [0x%06" PRIx32
"-0x%06" PRIx32 "]->[0x%016" PRIx64
"-0x%016" PRIx64
"] "
"(align=0x%" PRIx32 ")\n",
exec->exe_elf.elf_data_offset,
exec->exe_elf.elf_data_offset
+ exec->exe_elf.elf_data_filesz,
exec->exe_elf.elf_data_vaddr,
exec->exe_elf.elf_data_vaddr
+ exec->exe_elf.elf_data_memsz,
exec->exe_elf.elf_data_align);
break;
case EC3_EXEC_OTHER:
printf("OTHER\n");
break;
case EC3_EXEC_NONE:
printf("NONE\n");
break;
}
}
}

27
src/tag.h
View File

@@ -14,18 +14,42 @@ struct b_file;
enum ec3_tag_ioctx_mode {
EC3_TAG_IO_READ = 0x01u,
EC3_TAG_IO_WRITE = 0x02u,
EC3_TAG_IO_READWRITE = 0x03u,
EC3_TAG_IO_READWRITE = EC3_TAG_IO_READ | EC3_TAG_IO_WRITE,
EC3_TAG_IO_SEQUENTIAL = 0x04u,
EC3_TAG_IO_CLOSED = 0x10u,
};
struct ec3_tag_executable_info {
unsigned int exe_format;
union {
struct {
uint32_t elf_data_offset;
uint32_t elf_data_filesz, elf_data_memsz;
uint32_t elf_text_offset;
uint32_t elf_text_filesz, elf_text_memsz;
uint32_t elf_data_align, elf_text_align;
uint64_t elf_data_vaddr;
uint64_t elf_text_vaddr;
uint64_t elf_entry;
} exe_elf;
};
};
struct ec3_tag_info {
unsigned long tag_type;
unsigned long tag_flags;
unsigned long tag_checksum;
unsigned long long tag_ident;
unsigned long long tag_total_length;
union {
struct ec3_tag_executable_info tag_exe;
};
};
struct ec3_tag_ioctx {
@@ -37,7 +61,6 @@ struct ec3_tag_ioctx {
/* temp buffer of cluster size, used for pipeline operations */
void *io_cluster_buf;
/* this points to memory belonging to ec3_image_ioctx */
struct ec3_tag_info io_tag_info;
/* io_f_rotag is a reference to the main image file. a data and cluster