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-rw-r--r--src/format/elf/elf-int.c239
1 files changed, 121 insertions, 118 deletions
diff --git a/src/format/elf/elf-int.c b/src/format/elf/elf-int.c
index 7ca958b..3e70932 100644
--- a/src/format/elf/elf-int.c
+++ b/src/format/elf/elf-int.c
@@ -46,22 +46,14 @@
bool read_elf_header(GElfFormat *format, elf_header *header, bool *is_32b, SourceEndian *endian)
{
bool result; /* Bilan à retourner */
- const bin_t *content; /* Contenu binaire à lire */
- off_t length; /* Taille totale du contenu */
- off_t pos; /* Position de lecture */
+ const GBinContent *content; /* Contenu binaire à lire */
+ vmpa2t pos; /* Position de lecture */
content = G_BIN_FORMAT(format)->content;
- length = G_BIN_FORMAT(format)->length;
- result = (length >= EI_NIDENT);
+ init_vmpa(&pos, 0, VMPA_NO_VIRTUAL);
- pos = 0;
-
- if (result)
- {
- memcpy(header->hdr32.e_ident, content, EI_NIDENT);
- pos += EI_NIDENT;
- }
+ result = g_binary_content_get_raw(content, &pos, EI_NIDENT, (bin_t *)header->hdr32.e_ident);
/* Détermination de l'espace d'adressage */
if (result)
@@ -95,35 +87,35 @@ bool read_elf_header(GElfFormat *format, elf_header *header, bool *is_32b, Sourc
if (*is_32b)
{
- result &= read_u16(&header->hdr32.e_type, content, &pos, length, *endian);
- result &= read_u16(&header->hdr32.e_machine, content, &pos, length, *endian);
- result &= read_u32(&header->hdr32.e_version, content, &pos, length, *endian);
- result &= read_u32(&header->hdr32.e_entry, content, &pos, length, *endian);
- result &= read_u32(&header->hdr32.e_phoff, content, &pos, length, *endian);
- result &= read_u32(&header->hdr32.e_shoff, content, &pos, length, *endian);
- result &= read_u32(&header->hdr32.e_flags, content, &pos, length, *endian);
- result &= read_u16(&header->hdr32.e_ehsize, content, &pos, length, *endian);
- result &= read_u16(&header->hdr32.e_phentsize, content, &pos, length, *endian);
- result &= read_u16(&header->hdr32.e_phnum, content, &pos, length, *endian);
- result &= read_u16(&header->hdr32.e_shentsize, content, &pos, length, *endian);
- result &= read_u16(&header->hdr32.e_shnum, content, &pos, length, *endian);
- result &= read_u16(&header->hdr32.e_shstrndx, content, &pos, length, *endian);
+ result &= g_binary_content_read_u16(content, &pos, *endian, &header->hdr32.e_type);
+ result &= g_binary_content_read_u16(content, &pos, *endian, &header->hdr32.e_machine);
+ result &= g_binary_content_read_u32(content, &pos, *endian, &header->hdr32.e_version);
+ result &= g_binary_content_read_u32(content, &pos, *endian, &header->hdr32.e_entry);
+ result &= g_binary_content_read_u32(content, &pos, *endian, &header->hdr32.e_phoff);
+ result &= g_binary_content_read_u32(content, &pos, *endian, &header->hdr32.e_shoff);
+ result &= g_binary_content_read_u32(content, &pos, *endian, &header->hdr32.e_flags);
+ result &= g_binary_content_read_u16(content, &pos, *endian, &header->hdr32.e_ehsize);
+ result &= g_binary_content_read_u16(content, &pos, *endian, &header->hdr32.e_phentsize);
+ result &= g_binary_content_read_u16(content, &pos, *endian, &header->hdr32.e_phnum);
+ result &= g_binary_content_read_u16(content, &pos, *endian, &header->hdr32.e_shentsize);
+ result &= g_binary_content_read_u16(content, &pos, *endian, &header->hdr32.e_shnum);
+ result &= g_binary_content_read_u16(content, &pos, *endian, &header->hdr32.e_shstrndx);
}
else
{
- result &= read_u16(&header->hdr64.e_type, content, &pos, length, *endian);
- result &= read_u16(&header->hdr64.e_machine, content, &pos, length, *endian);
- result &= read_u32(&header->hdr64.e_version, content, &pos, length, *endian);
- result &= read_u64(&header->hdr64.e_entry, content, &pos, length, *endian);
- result &= read_u64(&header->hdr64.e_phoff, content, &pos, length, *endian);
- result &= read_u64(&header->hdr64.e_shoff, content, &pos, length, *endian);
- result &= read_u32(&header->hdr64.e_flags, content, &pos, length, *endian);
- result &= read_u16(&header->hdr64.e_ehsize, content, &pos, length, *endian);
- result &= read_u16(&header->hdr64.e_phentsize, content, &pos, length, *endian);
- result &= read_u16(&header->hdr64.e_phnum, content, &pos, length, *endian);
- result &= read_u16(&header->hdr64.e_shentsize, content, &pos, length, *endian);
- result &= read_u16(&header->hdr64.e_shnum, content, &pos, length, *endian);
- result &= read_u16(&header->hdr64.e_shstrndx, content, &pos, length, *endian);
+ result &= g_binary_content_read_u16(content, &pos, *endian, &header->hdr64.e_type);
+ result &= g_binary_content_read_u16(content, &pos, *endian, &header->hdr64.e_machine);
+ result &= g_binary_content_read_u32(content, &pos, *endian, &header->hdr64.e_version);
+ result &= g_binary_content_read_u64(content, &pos, *endian, &header->hdr64.e_entry);
+ result &= g_binary_content_read_u64(content, &pos, *endian, &header->hdr64.e_phoff);
+ result &= g_binary_content_read_u64(content, &pos, *endian, &header->hdr64.e_shoff);
+ result &= g_binary_content_read_u32(content, &pos, *endian, &header->hdr64.e_flags);
+ result &= g_binary_content_read_u16(content, &pos, *endian, &header->hdr64.e_ehsize);
+ result &= g_binary_content_read_u16(content, &pos, *endian, &header->hdr64.e_phentsize);
+ result &= g_binary_content_read_u16(content, &pos, *endian, &header->hdr64.e_phnum);
+ result &= g_binary_content_read_u16(content, &pos, *endian, &header->hdr64.e_shentsize);
+ result &= g_binary_content_read_u16(content, &pos, *endian, &header->hdr64.e_shnum);
+ result &= g_binary_content_read_u16(content, &pos, *endian, &header->hdr64.e_shstrndx);
}
return result;
@@ -134,7 +126,7 @@ bool read_elf_header(GElfFormat *format, elf_header *header, bool *is_32b, Sourc
/******************************************************************************
* *
* Paramètres : format = informations chargées à consulter. *
-* pos = position de début de lecture. [OUT] *
+* phys = position de début de lecture. *
* header = structure lue à retourner. [OUT] *
* *
* Description : Procède à la lecture d'une en-tête de programme ELF. *
@@ -145,36 +137,37 @@ bool read_elf_header(GElfFormat *format, elf_header *header, bool *is_32b, Sourc
* *
******************************************************************************/
-bool read_elf_program_header(const GElfFormat *format, off_t pos, elf_phdr *header)
+bool read_elf_program_header(const GElfFormat *format, phys_t phys, elf_phdr *header)
{
bool result; /* Bilan à retourner */
- const bin_t *content; /* Contenu binaire à lire */
- off_t length; /* Taille totale du contenu */
+ const GBinContent *content; /* Contenu binaire à lire */
+ vmpa2t pos; /* Position de lecture */
content = G_BIN_FORMAT(format)->content;
- length = G_BIN_FORMAT(format)->length;
+
+ init_vmpa(&pos, phys, VMPA_NO_VIRTUAL);
if (format->is_32b)
{
- result = read_u32(&header->phdr32.p_type, content, &pos, length, format->endian);
- result &= read_u32(&header->phdr32.p_offset, content, &pos, length, format->endian);
- result &= read_u32(&header->phdr32.p_vaddr, content, &pos, length, format->endian);
- result &= read_u32(&header->phdr32.p_paddr, content, &pos, length, format->endian);
- result &= read_u32(&header->phdr32.p_filesz, content, &pos, length, format->endian);
- result &= read_u32(&header->phdr32.p_memsz, content, &pos, length, format->endian);
- result &= read_u32(&header->phdr32.p_flags, content, &pos, length, format->endian);
- result &= read_u32(&header->phdr32.p_align, content, &pos, length, format->endian);
+ result = g_binary_content_read_u32(content, &pos, format->endian, &header->phdr32.p_type);
+ result &= g_binary_content_read_u32(content, &pos, format->endian, &header->phdr32.p_offset);
+ result &= g_binary_content_read_u32(content, &pos, format->endian, &header->phdr32.p_vaddr);
+ result &= g_binary_content_read_u32(content, &pos, format->endian, &header->phdr32.p_paddr);
+ result &= g_binary_content_read_u32(content, &pos, format->endian, &header->phdr32.p_filesz);
+ result &= g_binary_content_read_u32(content, &pos, format->endian, &header->phdr32.p_memsz);
+ result &= g_binary_content_read_u32(content, &pos, format->endian, &header->phdr32.p_flags);
+ result &= g_binary_content_read_u32(content, &pos, format->endian, &header->phdr32.p_align);
}
else
{
- result = read_u32(&header->phdr64.p_type, content, &pos, length, format->endian);
- result &= read_u32(&header->phdr64.p_flags, content, &pos, length, format->endian);
- result &= read_u64(&header->phdr64.p_offset, content, &pos, length, format->endian);
- result &= read_u64(&header->phdr64.p_vaddr, content, &pos, length, format->endian);
- result &= read_u64(&header->phdr64.p_paddr, content, &pos, length, format->endian);
- result &= read_u64(&header->phdr64.p_filesz, content, &pos, length, format->endian);
- result &= read_u64(&header->phdr64.p_memsz, content, &pos, length, format->endian);
- result &= read_u64(&header->phdr64.p_align, content, &pos, length, format->endian);
+ result = g_binary_content_read_u32(content, &pos, format->endian, &header->phdr64.p_type);
+ result &= g_binary_content_read_u32(content, &pos, format->endian, &header->phdr64.p_flags);
+ result &= g_binary_content_read_u64(content, &pos, format->endian, &header->phdr64.p_offset);
+ result &= g_binary_content_read_u64(content, &pos, format->endian, &header->phdr64.p_vaddr);
+ result &= g_binary_content_read_u64(content, &pos, format->endian, &header->phdr64.p_paddr);
+ result &= g_binary_content_read_u64(content, &pos, format->endian, &header->phdr64.p_filesz);
+ result &= g_binary_content_read_u64(content, &pos, format->endian, &header->phdr64.p_memsz);
+ result &= g_binary_content_read_u64(content, &pos, format->endian, &header->phdr64.p_align);
}
return result;
@@ -185,7 +178,7 @@ bool read_elf_program_header(const GElfFormat *format, off_t pos, elf_phdr *head
/******************************************************************************
* *
* Paramètres : format = informations chargées à consulter. *
-* pos = position de la tête de lecture. *
+* phys = position de début de lecture. *
* section = section lue. [OUT] *
* *
* Description : Procède à la lecture d'une en-tête de section ELF. *
@@ -196,49 +189,50 @@ bool read_elf_program_header(const GElfFormat *format, off_t pos, elf_phdr *head
* *
******************************************************************************/
-bool read_elf_section_header(const GElfFormat *format, off_t pos, elf_shdr *section)
+bool read_elf_section_header(const GElfFormat *format, phys_t phys, elf_shdr *section)
{
bool result; /* Bilan à retourner */
- const bin_t *content; /* Contenu binaire à lire */
- off_t length; /* Taille totale du contenu */
+ const GBinContent *content; /* Contenu binaire à lire */
+ vmpa2t pos; /* Position de lecture */
elf32_shdr *shdr32; /* Version 32 bits */
elf64_shdr *shdr64; /* Version 32 bits */
result = true;
content = G_BIN_FORMAT(format)->content;
- length = G_BIN_FORMAT(format)->length;
+
+ init_vmpa(&pos, phys, VMPA_NO_VIRTUAL);
if (format->is_32b)
{
shdr32 = &section->shdr32;
- result = read_u32(&shdr32->sh_name, content, &pos, length, format->endian);
- result &= read_u32(&shdr32->sh_type, content, &pos, length, format->endian);
- result &= read_u32(&shdr32->sh_flags, content, &pos, length, format->endian);
- result &= read_u32(&shdr32->sh_addr, content, &pos, length, format->endian);
- result &= read_u32(&shdr32->sh_offset, content, &pos, length, format->endian);
- result &= read_u32(&shdr32->sh_size, content, &pos, length, format->endian);
- result &= read_u32(&shdr32->sh_link, content, &pos, length, format->endian);
- result &= read_u32(&shdr32->sh_info, content, &pos, length, format->endian);
- result &= read_u32(&shdr32->sh_addralign, content, &pos, length, format->endian);
- result &= read_u32(&shdr32->sh_entsize, content, &pos, length, format->endian);
+ result = g_binary_content_read_u32(content, &pos, format->endian, &shdr32->sh_name);
+ result &= g_binary_content_read_u32(content, &pos, format->endian, &shdr32->sh_type);
+ result &= g_binary_content_read_u32(content, &pos, format->endian, &shdr32->sh_flags);
+ result &= g_binary_content_read_u32(content, &pos, format->endian, &shdr32->sh_addr);
+ result &= g_binary_content_read_u32(content, &pos, format->endian, &shdr32->sh_offset);
+ result &= g_binary_content_read_u32(content, &pos, format->endian, &shdr32->sh_size);
+ result &= g_binary_content_read_u32(content, &pos, format->endian, &shdr32->sh_link);
+ result &= g_binary_content_read_u32(content, &pos, format->endian, &shdr32->sh_info);
+ result &= g_binary_content_read_u32(content, &pos, format->endian, &shdr32->sh_addralign);
+ result &= g_binary_content_read_u32(content, &pos, format->endian, &shdr32->sh_entsize);
}
else
{
shdr64 = &section->shdr64;
- result = read_u32(&shdr64->sh_name, content, &pos, length, format->endian);
- result &= read_u32(&shdr64->sh_type, content, &pos, length, format->endian);
- result &= read_u64(&shdr64->sh_flags, content, &pos, length, format->endian);
- result &= read_u64(&shdr64->sh_addr, content, &pos, length, format->endian);
- result &= read_u64(&shdr64->sh_offset, content, &pos, length, format->endian);
- result &= read_u64(&shdr64->sh_size, content, &pos, length, format->endian);
- result &= read_u32(&shdr64->sh_link, content, &pos, length, format->endian);
- result &= read_u32(&shdr64->sh_info, content, &pos, length, format->endian);
- result &= read_u64(&shdr64->sh_addralign, content, &pos, length, format->endian);
- result &= read_u64(&shdr64->sh_entsize, content, &pos, length, format->endian);
+ result = g_binary_content_read_u32(content, &pos, format->endian, &shdr64->sh_name);
+ result &= g_binary_content_read_u32(content, &pos, format->endian, &shdr64->sh_type);
+ result &= g_binary_content_read_u64(content, &pos, format->endian, &shdr64->sh_flags);
+ result &= g_binary_content_read_u64(content, &pos, format->endian, &shdr64->sh_addr);
+ result &= g_binary_content_read_u64(content, &pos, format->endian, &shdr64->sh_offset);
+ result &= g_binary_content_read_u64(content, &pos, format->endian, &shdr64->sh_size);
+ result &= g_binary_content_read_u32(content, &pos, format->endian, &shdr64->sh_link);
+ result &= g_binary_content_read_u32(content, &pos, format->endian, &shdr64->sh_info);
+ result &= g_binary_content_read_u64(content, &pos, format->endian, &shdr64->sh_addralign);
+ result &= g_binary_content_read_u64(content, &pos, format->endian, &shdr64->sh_entsize);
}
@@ -250,7 +244,7 @@ bool read_elf_section_header(const GElfFormat *format, off_t pos, elf_shdr *sect
/******************************************************************************
* *
* Paramètres : format = informations chargées à consulter. *
-* pos = position de début de lecture. [OUT] *
+* phys = position de début de lecture. *
* dyn = structure lue à retourner. [OUT] *
* *
* Description : Procède à la lecture d'une entrée de type 'DYNAMIC' ELF. *
@@ -261,24 +255,25 @@ bool read_elf_section_header(const GElfFormat *format, off_t pos, elf_shdr *sect
* *
******************************************************************************/
-bool read_elf_dynamic_entry(const GElfFormat *format, off_t *pos, elf_dyn *dyn)
+bool read_elf_dynamic_entry(const GElfFormat *format, phys_t phys, elf_dyn *dyn)
{
bool result; /* Bilan à retourner */
- const bin_t *content; /* Contenu binaire à lire */
- off_t length; /* Taille totale du contenu */
+ const GBinContent *content; /* Contenu binaire à lire */
+ vmpa2t pos; /* Position de lecture */
content = G_BIN_FORMAT(format)->content;
- length = G_BIN_FORMAT(format)->length;
+
+ init_vmpa(&pos, phys, VMPA_NO_VIRTUAL);
if (format->is_32b)
{
- result = read_s32(&dyn->dyn32.d_tag, content, pos, length, format->endian);
- result &= read_u32(&dyn->dyn32.d_un.d_val, content, pos, length, format->endian);
+ result = g_binary_content_read_s32(content, &pos, format->endian, &dyn->dyn32.d_tag);
+ result &= g_binary_content_read_u32(content, &pos, format->endian, &dyn->dyn32.d_un.d_val);
}
else
{
- result = read_s64(&dyn->dyn64.d_tag, content, pos, length, format->endian);
- result &= read_u64(&dyn->dyn64.d_un.d_val, content, pos, length, format->endian);
+ result = g_binary_content_read_s64(content, &pos, format->endian, &dyn->dyn64.d_tag);
+ result &= g_binary_content_read_u64(content, &pos, format->endian, &dyn->dyn64.d_un.d_val);
}
return result;
@@ -300,34 +295,38 @@ bool read_elf_dynamic_entry(const GElfFormat *format, off_t *pos, elf_dyn *dyn)
* *
******************************************************************************/
-bool read_elf_symbol(const GElfFormat *format, off_t *pos, elf_sym *sym)
+bool read_elf_symbol(const GElfFormat *format, phys_t *phys, elf_sym *sym)
{
bool result; /* Bilan à retourner */
- const bin_t *content; /* Contenu binaire à lire */
- off_t length; /* Taille totale du contenu */
+ const GBinContent *content; /* Contenu binaire à lire */
+ vmpa2t pos; /* Position de lecture */
content = G_BIN_FORMAT(format)->content;
- length = G_BIN_FORMAT(format)->length;
+
+ init_vmpa(&pos, *phys, VMPA_NO_VIRTUAL);
if (format->is_32b)
{
- result = read_u32(&sym->sym32.st_name, content, pos, length, format->endian);
- result &= read_u32(&sym->sym32.st_value, content, pos, length, format->endian);
- result &= read_u32(&sym->sym32.st_size, content, pos, length, format->endian);
- result &= read_u8(&sym->sym32.st_info, content, pos, length, format->endian);
- result &= read_u8(&sym->sym32.st_other, content, pos, length, format->endian);
- result &= read_u16(&sym->sym32.st_shndx, content, pos, length, format->endian);
+ result = g_binary_content_read_u32(content, &pos, format->endian, &sym->sym32.st_name);
+ result &= g_binary_content_read_u32(content, &pos, format->endian, &sym->sym32.st_value);
+ result &= g_binary_content_read_u32(content, &pos, format->endian, &sym->sym32.st_size);
+ result &= g_binary_content_read_u8(content, &pos, &sym->sym32.st_info);
+ result &= g_binary_content_read_u8(content, &pos, &sym->sym32.st_other);
+ result &= g_binary_content_read_u16(content, &pos, format->endian, &sym->sym32.st_shndx);
}
else
{
- result = read_u32(&sym->sym64.st_name, content, pos, length, format->endian);
- result &= read_u8(&sym->sym64.st_info, content, pos, length, format->endian);
- result &= read_u8(&sym->sym64.st_other, content, pos, length, format->endian);
- result &= read_u16(&sym->sym64.st_shndx, content, pos, length, format->endian);
- result &= read_u64(&sym->sym64.st_value, content, pos, length, format->endian);
- result &= read_u64(&sym->sym64.st_size, content, pos, length, format->endian);
+ result = g_binary_content_read_u32(content, &pos, format->endian, &sym->sym64.st_name);
+ result &= g_binary_content_read_u8(content, &pos, &sym->sym64.st_info);
+ result &= g_binary_content_read_u8(content, &pos, &sym->sym64.st_other);
+ result &= g_binary_content_read_u16(content, &pos, format->endian, &sym->sym64.st_shndx);
+ result &= g_binary_content_read_u64(content, &pos, format->endian, &sym->sym64.st_value);
+ result &= g_binary_content_read_u64(content, &pos, format->endian, &sym->sym64.st_size);
}
+ if (result)
+ *phys = get_phy_addr(&pos);
+
return result;
}
@@ -336,7 +335,7 @@ bool read_elf_symbol(const GElfFormat *format, off_t *pos, elf_sym *sym)
/******************************************************************************
* *
* Paramètres : format = informations chargées à consulter. *
-* pos = position de début de lecture. [OUT] *
+* phys = position de début de lecture. [OUT] *
* reloc = structure lue à retourner. [OUT] *
* *
* Description : Procède à la lecture d'une relocalisation ELF. *
@@ -347,26 +346,30 @@ bool read_elf_symbol(const GElfFormat *format, off_t *pos, elf_sym *sym)
* *
******************************************************************************/
-bool read_elf_relocation(const GElfFormat *format, off_t *pos, elf_rel *reloc)
+bool read_elf_relocation(const GElfFormat *format, phys_t *phys, elf_rel *reloc)
{
bool result; /* Bilan à retourner */
- const bin_t *content; /* Contenu binaire à lire */
- off_t length; /* Taille totale du contenu */
+ const GBinContent *content; /* Contenu binaire à lire */
+ vmpa2t pos; /* Position de lecture */
content = G_BIN_FORMAT(format)->content;
- length = G_BIN_FORMAT(format)->length;
+
+ init_vmpa(&pos, *phys, VMPA_NO_VIRTUAL);
if (format->is_32b)
{
- result = read_u32(&reloc->rel32.r_offset, content, pos, length, format->endian);
- result &= read_u32(&reloc->rel32.r_info, content, pos, length, format->endian);
+ result = g_binary_content_read_u32(content, &pos, format->endian, &reloc->rel32.r_offset);
+ result &= g_binary_content_read_u32(content, &pos, format->endian, &reloc->rel32.r_info);
}
else
{
- result = read_u64(&reloc->rel64.r_offset, content, pos, length, format->endian);
- result &= read_u64(&reloc->rel64.r_info, content, pos, length, format->endian);
+ result = g_binary_content_read_u64(content, &pos, format->endian, &reloc->rel64.r_offset);
+ result &= g_binary_content_read_u64(content, &pos, format->endian, &reloc->rel64.r_info);
}
+ if (result)
+ *phys = get_phy_addr(&pos);
+
return result;
}
generated by cgit v0.11.2-87-g4458 at 2024-05-05 20:20:27 (GMT)