1 // SPDX-License-Identifier: GPL-2.0-only
51 	for (i = 0 ; i < be->cur_pos; i++)  in buffer_ext_dump()
52 		warnx("%4zu 0x%02x", i, (((char *)be->data)[i]) & 0xff);  in buffer_ext_dump()
59 	size_t be_sz = be->max_sz;  in buffer_ext_add()
62 	if ((be->cur_pos + sz) < be_sz) {  in buffer_ext_add()
63 		memcpy(be->data + be->cur_pos, addr, sz);  in buffer_ext_add()
64 		be->cur_pos += sz;  in buffer_ext_add()
73 	tmp = realloc(be->data, be_sz);  in buffer_ext_add()
75 		return -1;  in buffer_ext_add()
77 	be->data   = tmp;  in buffer_ext_add()
78 	be->max_sz = be_sz;  in buffer_ext_add()
86 	be->data = NULL;  in buffer_ext_init()
87 	be->cur_pos = 0;  in buffer_ext_init()
88 	be->max_sz = 0;  in buffer_ext_init()
94 	zfree(&be->data);  in buffer_ext_exit()
100 	return be->cur_pos;  in buffer_ext_size()
106 	return be->data;  in buffer_ext_addr()
119 	// line_base - see DWARF 2 specs
121 	// line_range - see DWARF 2 specs
138  * related to the used arch, an ELF 32 can hold more than 4 Go of debug
151 /* field filled at run time are marked with -1 */
153 	.total_length = -1,
155 	.prolog_length = -1,
158 	.line_base = -5,	/* sensible value for line base ... */
159 	.line_range = -14,     /* ... and line range are guessed statically */
178 /* field filled at run time are marked with -1 */
180 	.total_length = -1,
217 			data |= - (1 << (size - 7));  in emit_signed_LEB128()
219 		    (data == -1l && (cur & 0x40)))  in emit_signed_LEB128()
310 	temp = (ent->lineno - last_line) - default_debug_line_header.line_base;  in get_special_opcode()
318 	delta_addr = (ent->addr - last_vma) / default_debug_line_header.minimum_instruction_length;  in get_special_opcode()
320 	/* This is not sufficient to ensure opcode will be in [0-256] but  in get_special_opcode()
369 		if ((!cur_filename || strcmp(cur_filename, ent->name)) &&  in emit_lineno_info()
370 			strcmp(repeated_name_marker, ent->name)) {  in emit_lineno_info()
371 			emit_lne_define_filename(be, ent->name);  in emit_lineno_info()
372 			cur_filename = ent->name;  in emit_lineno_info()
379 			last_line = ent->lineno;  in emit_lineno_info()
380 			last_vma  = ent->addr;  in emit_lineno_info()
386 			if (last_line != ent->lineno) {  in emit_lineno_info()
387 				emit_advance_lineno(be, ent->lineno - last_line);  in emit_lineno_info()
388 				last_line = ent->lineno;  in emit_lineno_info()
394 			if (last_vma != ent->addr) {  in emit_lineno_info()
395 				emit_advance_pc(be, ent->addr - last_vma);  in emit_lineno_info()
396 				last_vma = ent->addr;  in emit_lineno_info()
400 			 * add new row to matrix  in emit_lineno_info()
429 	dbg_header->prolog_length = (buffer_ext_size(be) - old_size) -  in add_debug_line()
437 	dbg_header->total_length = (buffer_ext_size(be) - old_size) -  in add_debug_line()
468 	comp_unit_header->total_length = (buffer_ext_size(be) - old_size) -  in add_compilation_unit()
483 		ent->addr = ent->addr - code_addr;  in jit_process_debug_info()
501 	int ret = -1;  in jit_add_debug_info()
525 	d->d_align = 1;  in jit_add_debug_info()
526 	d->d_off = 0LL;  in jit_add_debug_info()
527 	d->d_buf = buffer_ext_addr(&dl);  in jit_add_debug_info()
528 	d->d_type = ELF_T_BYTE;  in jit_add_debug_info()
529 	d->d_size = buffer_ext_size(&dl);  in jit_add_debug_info()
530 	d->d_version = EV_CURRENT;  in jit_add_debug_info()
538 	shdr->sh_name = 52; /* .debug_line */  in jit_add_debug_info()
539 	shdr->sh_type = SHT_PROGBITS;  in jit_add_debug_info()
540 	shdr->sh_addr = 0; /* must be zero or == sh_offset -> dynamic object */  in jit_add_debug_info()
541 	shdr->sh_flags = 0;  in jit_add_debug_info()
542 	shdr->sh_entsize = 0;  in jit_add_debug_info()
559 	d->d_align = 1;  in jit_add_debug_info()
560 	d->d_off = 0LL;  in jit_add_debug_info()
561 	d->d_buf = buffer_ext_addr(&di);  in jit_add_debug_info()
562 	d->d_type = ELF_T_BYTE;  in jit_add_debug_info()
563 	d->d_size = buffer_ext_size(&di);  in jit_add_debug_info()
564 	d->d_version = EV_CURRENT;  in jit_add_debug_info()
572 	shdr->sh_name = 64; /* .debug_info */  in jit_add_debug_info()
573 	shdr->sh_type = SHT_PROGBITS;  in jit_add_debug_info()
574 	shdr->sh_addr = 0; /* must be zero or == sh_offset -> dynamic object */  in jit_add_debug_info()
575 	shdr->sh_flags = 0;  in jit_add_debug_info()
576 	shdr->sh_entsize = 0;  in jit_add_debug_info()
593 	d->d_align = 1;  in jit_add_debug_info()
594 	d->d_off = 0LL;  in jit_add_debug_info()
595 	d->d_buf = buffer_ext_addr(&da);  in jit_add_debug_info()
596 	d->d_type = ELF_T_BYTE;  in jit_add_debug_info()
597 	d->d_size = buffer_ext_size(&da);  in jit_add_debug_info()
598 	d->d_version = EV_CURRENT;  in jit_add_debug_info()
606 	shdr->sh_name = 76; /* .debug_info */  in jit_add_debug_info()
607 	shdr->sh_type = SHT_PROGBITS;  in jit_add_debug_info()
608 	shdr->sh_addr = 0; /* must be zero or == sh_offset -> dynamic object */  in jit_add_debug_info()
609 	shdr->sh_flags = 0;  in jit_add_debug_info()
610 	shdr->sh_entsize = 0;  in jit_add_debug_info()