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/****************************************************************/
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/* mdso: midipix dso scavenger */
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/* Copyright (C) 2015--2021 SysDeer Technologies, LLC */
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/* Released under GPLv2 and GPLv3; see COPYING.MDSO. */
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/****************************************************************/
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <mdso/mdso.h>
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#include "mdso_driver_impl.h"
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#include "mdso_errinfo_impl.h"
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static void mdso_init_asmname(char * buf, const char * fmt, const char * str)
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{
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char hexstr[24];
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long long unsigned int crc64;
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if (strlen(str) + strlen(fmt) > (PATH_MAX - 1)) {
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crc64 = mdso_crc64_mbstr((const unsigned char *)str,0);
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sprintf(hexstr,"%llx",crc64);
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sprintf(buf,fmt,hexstr);
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} else
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sprintf(buf,fmt,str);
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}
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int mdso_create_implib_sources(const struct mdso_driver_ctx * dctx)
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{
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struct mdso_unit_ctx * uctx;
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const char ** unit;
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int fdout;
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char asmname[PATH_MAX];
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const char * const * sym;
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int ret;
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/* symentry */
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for (unit=dctx->units; *unit; unit++) {
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if (mdso_get_unit_ctx(dctx,*unit,&uctx))
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return MDSO_NESTED_ERROR(dctx);
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for (sym=uctx->syms; *sym; sym++) {
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mdso_init_asmname(asmname,".%s_symentry.s",*sym);
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if ((fdout = mdso_create_asmsrc(dctx,asmname)) < 0)
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return MDSO_NESTED_ERROR(dctx);
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ret = mdso_asmgen_symentry(dctx,*sym,fdout);
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if (fdout != mdso_driver_fdout(dctx))
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close(fdout);
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if (ret < 0)
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return MDSO_NESTED_ERROR(dctx);
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}
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mdso_free_unit_ctx(uctx);
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}
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/* dsometa */
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mdso_init_asmname(asmname,".dsometa_%s.s",dctx->cctx->libname);
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if ((fdout = mdso_create_asmsrc(dctx,asmname)) < 0)
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return MDSO_NESTED_ERROR(dctx);
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ret = mdso_asmgen_dsometa(dctx,fdout);
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if (fdout != mdso_driver_fdout(dctx))
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close(fdout);
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return (ret < 0) ? MDSO_NESTED_ERROR(dctx) : 0;
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}
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