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Introduce version_t struct. Will be needed for code invalidation.

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This commit is contained in:
Maxime Chevalier-Boisvert 2021-01-12 14:56:43 -05:00 • committed by Alan Wu
parent a251059070
commit 3a74011ff8
7 changed files with 187 additions and 172 deletions
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102
ujit_asm.h
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@ -15,10 +15,10 @@
typedef struct LabelRef
{
// Position in the code block where the label reference exists
size_t pos;
uint32_t pos;
// Label which this refers to
size_t label_idx;
uint32_t label_idx;
} labelref_t;
@ -29,13 +29,13 @@ typedef struct CodeBlock
uint8_t* mem_block;
// Memory block size
size_t mem_size;
uint32_t mem_size;
/// Current writing position
size_t write_pos;
uint32_t write_pos;
// Table of registered label addresses
size_t label_addrs[MAX_LABELS];
uint32_t label_addrs[MAX_LABELS];
// Table of registered label names
// Note that these should be constant strings only
@ -45,10 +45,10 @@ typedef struct CodeBlock
labelref_t label_refs[MAX_LABEL_REFS];
// Number of labels registeered
size_t num_labels;
uint32_t num_labels;
// Number of references to labels
size_t num_refs;
uint32_t num_refs;
// TODO: system for disassembly/comment strings, indexed by position
@ -214,7 +214,7 @@ static const x86opnd_t R15B = { OPND_REG, 8, .as.reg = { REG_GP, 15 }};
#define C_ARG_REGS ( (x86opnd_t[]){ RDI, RSI, RDX, RCX, R8, R9 } )
// Memory operand with base register and displacement/offset
x86opnd_t mem_opnd(size_t num_bits, x86opnd_t base_reg, int32_t disp);
x86opnd_t mem_opnd(uint32_t num_bits, x86opnd_t base_reg, int32_t disp);
// Immediate number operand
x86opnd_t imm_opnd(int64_t val);
@ -238,24 +238,24 @@ x86opnd_t const_ptr_opnd(const void *ptr);
)
// Code block methods
uint8_t* alloc_exec_mem(size_t mem_size);
void cb_init(codeblock_t* cb, uint8_t* mem_block, size_t mem_size);
void cb_align_pos(codeblock_t* cb, size_t multiple);
void cb_set_pos(codeblock_t* cb, size_t pos);
uint8_t* cb_get_ptr(codeblock_t* cb, size_t index);
uint8_t* alloc_exec_mem(uint32_t mem_size);
void cb_init(codeblock_t* cb, uint8_t* mem_block, uint32_t mem_size);
void cb_align_pos(codeblock_t* cb, uint32_t multiple);
void cb_set_pos(codeblock_t* cb, uint32_t pos);
uint8_t* cb_get_ptr(codeblock_t* cb, uint32_t index);
void cb_write_byte(codeblock_t* cb, uint8_t byte);
void cb_write_bytes(codeblock_t* cb, size_t num_bytes, ...);
void cb_write_int(codeblock_t* cb, uint64_t val, size_t num_bits);
size_t cb_new_label(codeblock_t* cb, const char* name);
void cb_write_label(codeblock_t* cb, size_t label_idx);
void cb_label_ref(codeblock_t* cb, size_t label_idx);
void cb_write_bytes(codeblock_t* cb, uint32_t num_bytes, ...);
void cb_write_int(codeblock_t* cb, uint64_t val, uint32_t num_bits);
uint32_t cb_new_label(codeblock_t* cb, const char* name);
void cb_write_label(codeblock_t* cb, uint32_t label_idx);
void cb_label_ref(codeblock_t* cb, uint32_t label_idx);
void cb_link_labels(codeblock_t* cb);
// Encode individual instructions into a code block
void add(codeblock_t* cb, x86opnd_t opnd0, x86opnd_t opnd1);
void and(codeblock_t* cb, x86opnd_t opnd0, x86opnd_t opnd1);
void call_ptr(codeblock_t* cb, x86opnd_t scratch_reg, uint8_t* dst_ptr);
void call_label(codeblock_t* cb, size_t label_idx);
void call_label(codeblock_t* cb, uint32_t label_idx);
void call(codeblock_t* cb, x86opnd_t opnd);
void cmova(codeblock_t* cb, x86opnd_t dst, x86opnd_t src);
void cmovae(codeblock_t* cb, x86opnd_t dst, x86opnd_t src);
@ -291,36 +291,36 @@ void cmp(codeblock_t* cb, x86opnd_t opnd0, x86opnd_t opnd1);
void cdq(codeblock_t* cb);
void cqo(codeblock_t* cb);
void int3(codeblock_t* cb);
void ja(codeblock_t* cb, size_t label_idx);
void jae(codeblock_t* cb, size_t label_idx);
void jb(codeblock_t* cb, size_t label_idx);
void jbe(codeblock_t* cb, size_t label_idx);
void jc(codeblock_t* cb, size_t label_idx);
void je(codeblock_t* cb, size_t label_idx);
void jg(codeblock_t* cb, size_t label_idx);
void jge(codeblock_t* cb, size_t label_idx);
void jl(codeblock_t* cb, size_t label_idx);
void jle(codeblock_t* cb, size_t label_idx);
void jna(codeblock_t* cb, size_t label_idx);
void jnae(codeblock_t* cb, size_t label_idx);
void jnb(codeblock_t* cb, size_t label_idx);
void jnbe(codeblock_t* cb, size_t label_idx);
void jnc(codeblock_t* cb, size_t label_idx);
void jne(codeblock_t* cb, size_t label_idx);
void jng(codeblock_t* cb, size_t label_idx);
void jnge(codeblock_t* cb, size_t label_idx);
// void jnl(codeblock_t* cb, size_t label_idx); // this conflicts with jnl(3)
void jnle(codeblock_t* cb, size_t label_idx);
void jno(codeblock_t* cb, size_t label_idx);
void jnp(codeblock_t* cb, size_t label_idx);
void jns(codeblock_t* cb, size_t label_idx);
void jnz(codeblock_t* cb, size_t label_idx);
void jo(codeblock_t* cb, size_t label_idx);
void jp(codeblock_t* cb, size_t label_idx);
void jpe(codeblock_t* cb, size_t label_idx);
void jpo(codeblock_t* cb, size_t label_idx);
void js(codeblock_t* cb, size_t label_idx);
void jz(codeblock_t* cb, size_t label_idx);
void ja(codeblock_t* cb, uint32_t label_idx);
void jae(codeblock_t* cb, uint32_t label_idx);
void jb(codeblock_t* cb, uint32_t label_idx);
void jbe(codeblock_t* cb, uint32_t label_idx);
void jc(codeblock_t* cb, uint32_t label_idx);
void je(codeblock_t* cb, uint32_t label_idx);
void jg(codeblock_t* cb, uint32_t label_idx);
void jge(codeblock_t* cb, uint32_t label_idx);
void jl(codeblock_t* cb, uint32_t label_idx);
void jle(codeblock_t* cb, uint32_t label_idx);
void jna(codeblock_t* cb, uint32_t label_idx);
void jnae(codeblock_t* cb, uint32_t label_idx);
void jnb(codeblock_t* cb, uint32_t label_idx);
void jnbe(codeblock_t* cb, uint32_t label_idx);
void jnc(codeblock_t* cb, uint32_t label_idx);
void jne(codeblock_t* cb, uint32_t label_idx);
void jng(codeblock_t* cb, uint32_t label_idx);
void jnge(codeblock_t* cb, uint32_t label_idx);
// void jnl(codeblock_t* cb, uint32_t label_idx); // this conflicts with jnl(3)
void jnle(codeblock_t* cb, uint32_t label_idx);
void jno(codeblock_t* cb, uint32_t label_idx);
void jnp(codeblock_t* cb, uint32_t label_idx);
void jns(codeblock_t* cb, uint32_t label_idx);
void jnz(codeblock_t* cb, uint32_t label_idx);
void jo(codeblock_t* cb, uint32_t label_idx);
void jp(codeblock_t* cb, uint32_t label_idx);
void jpe(codeblock_t* cb, uint32_t label_idx);
void jpo(codeblock_t* cb, uint32_t label_idx);
void js(codeblock_t* cb, uint32_t label_idx);
void jz(codeblock_t* cb, uint32_t label_idx);
void ja_ptr(codeblock_t* cb, uint8_t* ptr);
void jae_ptr(codeblock_t* cb, uint8_t* ptr);
void jb_ptr(codeblock_t* cb, uint8_t* ptr);
@ -351,7 +351,7 @@ void jpe_ptr(codeblock_t* cb, uint8_t* ptr);
void jpo_ptr(codeblock_t* cb, uint8_t* ptr);
void js_ptr(codeblock_t* cb, uint8_t* ptr);
void jz_ptr(codeblock_t* cb, uint8_t* ptr);
void jmp(codeblock_t* cb, size_t label_idx);
void jmp(codeblock_t* cb, uint32_t label_idx);
void jmp_ptr(codeblock_t* cb, uint8_t* ptr);
void jmp_rm(codeblock_t* cb, x86opnd_t opnd);
void jmp32(codeblock_t* cb, int32_t offset);
@ -359,7 +359,7 @@ void lea(codeblock_t* cb, x86opnd_t dst, x86opnd_t src);
void mov(codeblock_t* cb, x86opnd_t dst, x86opnd_t src);
void movsx(codeblock_t* cb, x86opnd_t dst, x86opnd_t src);
void neg(codeblock_t* cb, x86opnd_t opnd);
void nop(codeblock_t* cb, size_t length);
void nop(codeblock_t* cb, uint32_t length);
void not(codeblock_t* cb, x86opnd_t opnd);
void or(codeblock_t* cb, x86opnd_t opnd0, x86opnd_t opnd1);
void pop(codeblock_t* cb, x86opnd_t reg);