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annotate third_party/luajit/src/host/buildvm_asm.c @ 186:8cf4ec5e2191 hg-web

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Fixed merge conflict.
author MrJuneJune <me@mrjunejune.com>
date Fri, 23 Jan 2026 22:38:59 -0800
parents 94705b5986b3
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
178
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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1 /*
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2 ** LuaJIT VM builder: Assembler source code emitter.
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3 ** Copyright (C) 2005-2023 Mike Pall. See Copyright Notice in luajit.h
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4 */
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5
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6 #include "buildvm.h"
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7 #include "lj_bc.h"
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8
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9 /* ------------------------------------------------------------------------ */
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10
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11 #if LJ_TARGET_X86ORX64
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12 /* Emit bytes piecewise as assembler text. */
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13 static void emit_asm_bytes(BuildCtx *ctx, uint8_t *p, int n)
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14 {
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15 int i;
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16 for (i = 0; i < n; i++) {
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17 if ((i & 15) == 0)
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18 fprintf(ctx->fp, "\t.byte %d", p[i]);
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19 else
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20 fprintf(ctx->fp, ",%d", p[i]);
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21 if ((i & 15) == 15) putc('\n', ctx->fp);
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22 }
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23 if ((n & 15) != 0) putc('\n', ctx->fp);
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24 }
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25
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26 /* Emit relocation */
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27 static void emit_asm_reloc(BuildCtx *ctx, int type, const char *sym)
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28 {
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29 switch (ctx->mode) {
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30 case BUILD_elfasm:
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31 if (type)
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32 fprintf(ctx->fp, "\t.long %s-.-4\n", sym);
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33 else
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34 fprintf(ctx->fp, "\t.long %s\n", sym);
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35 break;
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36 case BUILD_coffasm:
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37 fprintf(ctx->fp, "\t.def %s; .scl 3; .type 32; .endef\n", sym);
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38 if (type)
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39 fprintf(ctx->fp, "\t.long %s-.-4\n", sym);
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40 else
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41 fprintf(ctx->fp, "\t.long %s\n", sym);
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42 break;
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43 default: /* BUILD_machasm for relative relocations handled below. */
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44 fprintf(ctx->fp, "\t.long %s\n", sym);
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45 break;
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46 }
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47 }
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48
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49 static const char *const jccnames[] = {
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50 "jo", "jno", "jb", "jnb", "jz", "jnz", "jbe", "ja",
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51 "js", "jns", "jpe", "jpo", "jl", "jge", "jle", "jg"
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52 };
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53
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54 /* Emit x86/x64 text relocations. */
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55 static void emit_asm_reloc_text(BuildCtx *ctx, uint8_t *cp, int n,
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56 const char *sym)
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57 {
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58 const char *opname = NULL;
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59 if (--n < 0) goto err;
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60 if (cp[n] == 0xe8) {
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61 opname = "call";
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62 } else if (cp[n] == 0xe9) {
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63 opname = "jmp";
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64 } else if (cp[n] >= 0x80 && cp[n] <= 0x8f && n > 0 && cp[n-1] == 0x0f) {
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65 opname = jccnames[cp[n]-0x80];
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66 n--;
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67 } else {
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68 err:
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69 fprintf(stderr, "Error: unsupported opcode for %s symbol relocation.\n",
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70 sym);
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71 exit(1);
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72 }
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73 emit_asm_bytes(ctx, cp, n);
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74 if (strncmp(sym+(*sym == '_'), LABEL_PREFIX, sizeof(LABEL_PREFIX)-1)) {
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75 /* Various fixups for external symbols outside of our binary. */
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76 if (ctx->mode == BUILD_elfasm) {
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77 if (LJ_32)
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78 fprintf(ctx->fp, "#if __PIC__\n\t%s lj_wrap_%s\n#else\n", opname, sym);
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79 fprintf(ctx->fp, "\t%s %s@PLT\n", opname, sym);
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80 if (LJ_32)
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81 fprintf(ctx->fp, "#endif\n");
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82 return;
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83 } else if (LJ_32 && ctx->mode == BUILD_machasm) {
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84 fprintf(ctx->fp, "\t%s L%s$stub\n", opname, sym);
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85 return;
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86 }
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87 }
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88 fprintf(ctx->fp, "\t%s %s\n", opname, sym);
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89 }
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90 #else
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91 /* Emit words piecewise as assembler text. */
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92 static void emit_asm_words(BuildCtx *ctx, uint8_t *p, int n)
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93 {
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94 int i;
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95 for (i = 0; i < n; i += 4) {
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96 uint32_t ins = *(uint32_t *)(p+i);
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97 #if LJ_TARGET_ARM64 && LJ_BE
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98 ins = lj_bswap(ins); /* ARM64 instructions are always little-endian. */
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99 #endif
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100 if ((i & 15) == 0)
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101 fprintf(ctx->fp, "\t.long 0x%08x", ins);
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102 else
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103 fprintf(ctx->fp, ",0x%08x", ins);
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104 if ((i & 15) == 12) putc('\n', ctx->fp);
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105 }
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106 if ((n & 15) != 0) putc('\n', ctx->fp);
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107 }
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108
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109 /* Emit relocation as part of an instruction. */
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110 static void emit_asm_wordreloc(BuildCtx *ctx, uint8_t *p, int n,
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111 const char *sym)
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112 {
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113 uint32_t ins;
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114 emit_asm_words(ctx, p, n-4);
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115 ins = *(uint32_t *)(p+n-4);
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116 #if LJ_TARGET_ARM
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117 if ((ins & 0xff000000u) == 0xfa000000u) {
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118 fprintf(ctx->fp, "\tblx %s\n", sym);
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119 } else if ((ins & 0x0e000000u) == 0x0a000000u) {
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120 fprintf(ctx->fp, "\t%s%.2s %s\n", (ins & 0x01000000u) ? "bl" : "b",
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121 &"eqnecsccmiplvsvchilsgeltgtle"[2*(ins >> 28)], sym);
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122 } else {
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123 fprintf(stderr,
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124 "Error: unsupported opcode %08x for %s symbol relocation.\n",
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125 ins, sym);
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126 exit(1);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
127 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
128 #elif LJ_TARGET_ARM64
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
129 if ((ins >> 26) == 0x25u) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
130 fprintf(ctx->fp, "\tbl %s\n", sym);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
131 } else {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
132 fprintf(stderr,
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
133 "Error: unsupported opcode %08x for %s symbol relocation.\n",
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
134 ins, sym);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
135 exit(1);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
136 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
137 #elif LJ_TARGET_PPC
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
138 #if LJ_TARGET_PS3
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
139 #define TOCPREFIX "."
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
140 #else
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
141 #define TOCPREFIX ""
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
142 #endif
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
143 if ((ins >> 26) == 16) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
144 fprintf(ctx->fp, "\t%s %d, %d, " TOCPREFIX "%s\n",
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
145 (ins & 1) ? "bcl" : "bc", (ins >> 21) & 31, (ins >> 16) & 31, sym);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
146 } else if ((ins >> 26) == 18) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
147 fprintf(ctx->fp, "\t%s " TOCPREFIX "%s\n", (ins & 1) ? "bl" : "b", sym);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
148 } else {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
149 fprintf(stderr,
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
150 "Error: unsupported opcode %08x for %s symbol relocation.\n",
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
151 ins, sym);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
152 exit(1);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
153 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
154 #elif LJ_TARGET_MIPS
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
155 fprintf(stderr,
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
156 "Error: unsupported opcode %08x for %s symbol relocation.\n",
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
157 ins, sym);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
158 exit(1);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
159 #else
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
160 #error "missing relocation support for this architecture"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
161 #endif
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
162 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
163 #endif
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
164
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
165 #if LJ_TARGET_ARM
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
166 #define ELFASM_PX "%%"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
167 #else
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
168 #define ELFASM_PX "@"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
169 #endif
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
170
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
171 /* Emit an assembler label. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
172 static void emit_asm_label(BuildCtx *ctx, const char *name, int size, int isfunc)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
173 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
174 switch (ctx->mode) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
175 case BUILD_elfasm:
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
176 #if LJ_TARGET_PS3
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
177 if (!strncmp(name, "lj_vm_", 6) &&
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
178 strcmp(name, ctx->beginsym) &&
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
179 !strstr(name, "hook")) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
180 fprintf(ctx->fp,
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
181 "\n\t.globl %s\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
182 "\t.section \".opd\",\"aw\"\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
183 "%s:\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
184 "\t.long .%s,.TOC.@tocbase32\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
185 "\t.size %s,8\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
186 "\t.previous\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
187 "\t.globl .%s\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
188 "\t.hidden .%s\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
189 "\t.type .%s, " ELFASM_PX "function\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
190 "\t.size .%s, %d\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
191 ".%s:\n",
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
192 name, name, name, name, name, name, name, name, size, name);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
193 break;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
194 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
195 #endif
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
196 fprintf(ctx->fp,
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
197 "\n\t.globl %s\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
198 "\t.hidden %s\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
199 "\t.type %s, " ELFASM_PX "%s\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
200 "\t.size %s, %d\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
201 "%s:\n",
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
202 name, name, name, isfunc ? "function" : "object", name, size, name);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
203 break;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
204 case BUILD_coffasm:
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
205 fprintf(ctx->fp, "\n\t.globl %s\n", name);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
206 if (isfunc)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
207 fprintf(ctx->fp, "\t.def %s; .scl 3; .type 32; .endef\n", name);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
208 fprintf(ctx->fp, "%s:\n", name);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
209 break;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
210 case BUILD_machasm:
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
211 fprintf(ctx->fp,
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
212 "\n\t.private_extern %s\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
213 "\t.no_dead_strip %s\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
214 "%s:\n", name, name, name);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
215 break;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
216 default:
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
217 break;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
218 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
219 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
220
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
221 /* Emit alignment. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
222 static void emit_asm_align(BuildCtx *ctx, int bits)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
223 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
224 switch (ctx->mode) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
225 case BUILD_elfasm:
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
226 case BUILD_coffasm:
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
227 fprintf(ctx->fp, "\t.p2align %d\n", bits);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
228 break;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
229 case BUILD_machasm:
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
230 fprintf(ctx->fp, "\t.align %d\n", bits);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
231 break;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
232 default:
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
233 break;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
234 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
235 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
236
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
237 /* ------------------------------------------------------------------------ */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
238
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
239 /* Emit assembler source code. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
240 void emit_asm(BuildCtx *ctx)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
241 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
242 int i, rel;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
243
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
244 fprintf(ctx->fp, "\t.file \"buildvm_%s.dasc\"\n", ctx->dasm_arch);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
245 fprintf(ctx->fp, "\t.text\n");
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
246 #if LJ_TARGET_MIPS32 && !LJ_ABI_SOFTFP
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
247 fprintf(ctx->fp, "\t.module fp=32\n");
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
248 #endif
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
249 #if LJ_TARGET_MIPS
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
250 fprintf(ctx->fp, "\t.set nomips16\n\t.abicalls\n\t.set noreorder\n\t.set nomacro\n");
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
251 #endif
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
252 emit_asm_align(ctx, 4);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
253
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
254 #if LJ_TARGET_PS3
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
255 emit_asm_label(ctx, ctx->beginsym, ctx->codesz, 0);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
256 #else
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
257 emit_asm_label(ctx, ctx->beginsym, 0, 0);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
258 #endif
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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diff changeset
259 if (ctx->mode != BUILD_machasm)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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260 fprintf(ctx->fp, ".Lbegin:\n");
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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261
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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262 #if LJ_TARGET_ARM && defined(__GNUC__) && !LJ_NO_UNWIND
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
263 /* This should really be moved into buildvm_arm.dasc. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
264 #if LJ_ARCH_HASFPU
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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diff changeset
265 fprintf(ctx->fp,
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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266 ".fnstart\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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267 ".save {r5, r6, r7, r8, r9, r10, r11, lr}\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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268 ".vsave {d8-d15}\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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269 ".save {r4}\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
270 ".pad #28\n");
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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271 #else
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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272 fprintf(ctx->fp,
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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273 ".fnstart\n"
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274 ".save {r4, r5, r6, r7, r8, r9, r10, r11, lr}\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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275 ".pad #28\n");
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MrJuneJune <me@mrjunejune.com>
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276 #endif
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MrJuneJune <me@mrjunejune.com>
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277 #endif
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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278
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MrJuneJune <me@mrjunejune.com>
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279 for (i = rel = 0; i < ctx->nsym; i++) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
280 int32_t ofs = ctx->sym[i].ofs;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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281 int32_t next = ctx->sym[i+1].ofs;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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282 #if LJ_TARGET_ARM && defined(__GNUC__) && !LJ_NO_UNWIND && LJ_HASFFI
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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283 if (!strcmp(ctx->sym[i].name, "lj_vm_ffi_call"))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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284 fprintf(ctx->fp,
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MrJuneJune <me@mrjunejune.com>
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285 ".globl lj_err_unwind_arm\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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286 ".personality lj_err_unwind_arm\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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287 ".fnend\n"
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MrJuneJune <me@mrjunejune.com>
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288 ".fnstart\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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289 ".save {r4, r5, r11, lr}\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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290 ".setfp r11, sp\n");
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MrJuneJune <me@mrjunejune.com>
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291 #endif
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292 emit_asm_label(ctx, ctx->sym[i].name, next - ofs, 1);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
293 while (rel < ctx->nreloc && ctx->reloc[rel].ofs <= next) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
294 BuildReloc *r = &ctx->reloc[rel];
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
295 int n = r->ofs - ofs;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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diff changeset
296 #if LJ_TARGET_X86ORX64
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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diff changeset
297 if (r->type != 0 &&
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
298 (ctx->mode == BUILD_elfasm || ctx->mode == BUILD_machasm)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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parents:
diff changeset
299 emit_asm_reloc_text(ctx, ctx->code+ofs, n, ctx->relocsym[r->sym]);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
300 } else {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
301 emit_asm_bytes(ctx, ctx->code+ofs, n);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
302 emit_asm_reloc(ctx, r->type, ctx->relocsym[r->sym]);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
303 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
304 ofs += n+4;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
305 #else
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
306 emit_asm_wordreloc(ctx, ctx->code+ofs, n, ctx->relocsym[r->sym]);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
307 ofs += n;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
308 #endif
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
309 rel++;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
310 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
311 #if LJ_TARGET_X86ORX64
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
312 emit_asm_bytes(ctx, ctx->code+ofs, next-ofs);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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diff changeset
313 #else
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
314 emit_asm_words(ctx, ctx->code+ofs, next-ofs);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
315 #endif
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
316 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
317
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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parents:
diff changeset
318 #if LJ_TARGET_ARM && defined(__GNUC__) && !LJ_NO_UNWIND
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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parents:
diff changeset
319 fprintf(ctx->fp,
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
320 #if !LJ_HASFFI
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
321 ".globl lj_err_unwind_arm\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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parents:
diff changeset
322 ".personality lj_err_unwind_arm\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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diff changeset
323 #endif
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
324 ".fnend\n");
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
325 #endif
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
326
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
327 fprintf(ctx->fp, "\n");
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
328 switch (ctx->mode) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
329 case BUILD_elfasm:
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
330 #if !(LJ_TARGET_PS3 || LJ_TARGET_PSVITA)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
331 fprintf(ctx->fp, "\t.section .note.GNU-stack,\"\"," ELFASM_PX "progbits\n");
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
332 #endif
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
333 #if LJ_TARGET_PPC && !LJ_TARGET_PS3 && !LJ_ABI_SOFTFP
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
334 /* Hard-float ABI. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
335 fprintf(ctx->fp, "\t.gnu_attribute 4, 1\n");
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
336 #endif
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
337 /* fallthrough */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
338 case BUILD_coffasm:
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
339 fprintf(ctx->fp, "\t.ident \"%s\"\n", ctx->dasm_ident);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
340 break;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
341 case BUILD_machasm:
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
342 fprintf(ctx->fp,
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
343 "\t.cstring\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
344 "\t.ascii \"%s\\0\"\n", ctx->dasm_ident);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
345 break;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
346 default:
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
347 break;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
348 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
349 fprintf(ctx->fp, "\n");
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
350 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
351