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Remove static buffer from dwarf code. #4117

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Jan 18, 2024
Merged

Remove static buffer from dwarf code. #4117

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4a7e0f7
Remove static buffer from dwarf code.
wargio Jan 17, 2024
fe39e2c
Clang-format
wargio Jan 17, 2024
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76 changes: 71 additions & 5 deletions librz/analysis/dwarf_process.c
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Original file line number Diff line number Diff line change
Expand Up @@ -57,6 +57,77 @@ static bool prefer_linkage_name(DW_LANG lang) {
}

/// DWARF Register Number Mapping
static const char *map_dwarf_register_dummy(ut32 reg_num) {
switch (reg_num) {
case 0: return "reg0";
case 1: return "reg1";
case 2: return "reg2";
case 3: return "reg3";
case 4: return "reg4";
case 5: return "reg5";
case 6: return "reg6";
case 7: return "reg7";
case 8: return "reg8";
case 9: return "reg9";
case 10: return "reg10";
case 11: return "reg11";
case 12: return "reg12";
case 13: return "reg13";
case 14: return "reg14";
case 15: return "reg15";
case 16: return "reg16";
case 17: return "reg17";
case 18: return "reg18";
case 19: return "reg19";
case 20: return "reg20";
case 21: return "reg21";
case 22: return "reg22";
case 23: return "reg23";
case 24: return "reg24";
case 25: return "reg25";
case 26: return "reg26";
case 27: return "reg27";
case 28: return "reg28";
case 29: return "reg29";
case 30: return "reg30";
case 31: return "reg31";
case 32: return "reg32";
case 33: return "reg33";
case 34: return "reg34";
case 35: return "reg35";
case 36: return "reg36";
case 37: return "reg37";
case 38: return "reg38";
case 39: return "reg39";
case 40: return "reg40";
case 41: return "reg41";
case 42: return "reg42";
case 43: return "reg43";
case 44: return "reg44";
case 45: return "reg45";
case 46: return "reg46";
case 47: return "reg47";
case 48: return "reg48";
case 49: return "reg49";
case 50: return "reg50";
case 51: return "reg51";
case 52: return "reg52";
case 53: return "reg53";
case 54: return "reg54";
case 55: return "reg55";
case 56: return "reg56";
case 57: return "reg57";
case 58: return "reg58";
case 59: return "reg59";
case 60: return "reg60";
case 61: return "reg61";
case 62: return "reg62";
case 63: return "reg63";
default:
rz_warn_if_reached();
return "unsupported_reg";
}
}

/* x86_64 https://software.intel.com/sites/default/files/article/402129/mpx-linux64-abi.pdf */
static const char *map_dwarf_reg_to_x86_64_reg(ut32 reg_num) {
Expand Down Expand Up @@ -517,11 +588,6 @@ static const char *map_dwarf_reg_to_arm64(ut32 reg_num) {

#include "hexagon_dwarf_reg_num_table.inc"

static const char *map_dwarf_register_dummy(ut32 reg_num) {
static char buf[32];
return rz_strf(buf, "reg%u", reg_num);
}

/**
* \brief Returns a function that maps a DWARF register number to a register name
* \param arch The architecture name
Expand Down
6 changes: 4 additions & 2 deletions librz/include/rz_analysis.h
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Original file line number Diff line number Diff line change
Expand Up @@ -701,12 +701,14 @@ typedef struct rz_analysis_var_storage_t {
};
} RzAnalysisVarStorage;

static inline void rz_analysis_var_storage_init_reg(RzAnalysisVarStorage *stor, RZ_NONNULL const char *reg) {
static inline void rz_analysis_var_storage_init_reg(RZ_NONNULL RzAnalysisVarStorage *stor, RZ_NONNULL const char *reg) {
rz_return_if_fail(stor && reg);
stor->type = RZ_ANALYSIS_VAR_STORAGE_REG;
stor->reg = reg;
}

static inline void rz_analysis_var_storage_init_stack(RzAnalysisVarStorage *stor, RzStackAddr stack_off) {
static inline void rz_analysis_var_storage_init_stack(RZ_NONNULL RzAnalysisVarStorage *stor, RzStackAddr stack_off) {
rz_return_if_fail(stor);
stor->type = RZ_ANALYSIS_VAR_STORAGE_STACK;
stor->stack_off = stack_off;
}
Expand Down
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