multiboot1: also fix elf32 section loading
As with the prior mb2 fix, use the correct size elf section header for 32 bit elf
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@ -212,7 +212,10 @@ noreturn void multiboot1_load(char *config, char *cmdline) {
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memcpy(sections, kernel + section_hdr_info.section_offset, section_hdr_info.section_entry_size * section_hdr_info.num);
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int bits = elf_bits(kernel);
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for (size_t i = 0; i < section_hdr_info.num; i++) {
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if (bits == 64) {
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struct elf64_shdr *shdr = (void *)sections + i * section_hdr_info.section_entry_size;
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if (shdr->sh_addr != 0 || shdr->sh_size == 0) {
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@ -228,6 +231,23 @@ noreturn void multiboot1_load(char *config, char *cmdline) {
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}
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shdr->sh_addr = section;
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} else {
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struct elf32_shdr *shdr = (void *)sections + i * section_hdr_info.section_entry_size;
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if (shdr->sh_addr != 0 || shdr->sh_size == 0) {
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continue;
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}
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uint64_t section = (uint64_t)-1; /* no target preference, use top */
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if (!elsewhere_append(true /* flexible target */,
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ranges, &ranges_count,
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kernel + shdr->sh_offset, §ion, shdr->sh_size)) {
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panic(true, "multiboot1: Cannot allocate elf sections");
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}
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shdr->sh_addr = section;
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}
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}
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multiboot1_info->flags |= (1 << 5);
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