z/TPF Program Management - IBM

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►► @IPL 146 z/TPF Program Management CWD defaultloc Note: This must be the first line of the @IPL control statement section. , ►► ▼ defaultloc/ IPLA specificloc/ IPLB version .ext (progcmt) Note: If you have more than one program to load, use this line as many times as you need. Each time you use it, separate occurrences with a comma or start each occurrence on a new line. ►► ▼ @@IPLA rsa newdata @@IPLB valdata-olddata Note: If you have more than one program to patch (or if you have more than one patch for a component), use this line as many times as you need. Each time you use it, start the next occurrence on a new line. Figure 20. @IPL control statement section of the loader input file defaultloc is the default location for the @IPL control statement section, where defaultloc is one of the following: v The name of a search path that was defined previously in an @DEFINE control statement section (for example, &IPLPATH) v An absolute path (for example, /u/ztpf/iplpath) v A relative path (for example, iplpath). Note: All relative paths are appended to the current working directory, which is defined using the CWD parameter in the @DEFINE control statement section. Therefore, you must define the CWD parameter before you can specify a relative path. The default location is searched for the programs listed in the @IPL control statement section. You can override the default location for a particular program by specifying a specific location for that program. specificloc is the specific location for the program to load, where specificloc is one of the following: v The name of a search path that was defined previously in an @DEFINE control statement section (for example, &IPLPATH) v An absolute path (for example, /u/ztpf/iplpath) v A relative path (for example, iplpath). Note: All relative paths are appended to the current working directory, which is defined using the CWD parameter in the @DEFINE control ►◄ ►◄ ►◄
statement section. Therefore, you must define the CWD parameter before you can specify a relative path. If you specify a specific location for a program, this location overrides any default location that may have been defined for the @IPL control statement section; that is, only the specific location is searched for the program. If the program is not found in the specific location, an error occurs. CWD is the value specified for the CWD parameter in the @DEFINE control statement section. If you do not specify a default location or a specific location, this is the only location that is searched. IPLA loads the IPLA program. IPLB loads the IPLB program. version is the 1- to 2-character alphanumeric version code for the program. .ext specifies an extension of the full program name as created by the linker, where ext is the appropriate extension. For example, if the linker creates a program called ipla51.so, the .so portion of the name is optional. (progcmt) appends a comment for the program specified (either IPLA or IPLB) that is displayed in the output report, where progcmt is the text that is appended. @@IPLA patches the IPLA program. Note: You must load the IPLA program in the current @IPL control statement section before you can patch it. @@IPLB patches the IPLB program. Note: You must load the IPLB program in the current @IPL control statement section before you can patch it. rsa is the 1- to 6-digit hexadecimal relative starting address in the program. The relative starting address specifies the offset into the program where the patch is applied. newdata is the new data (or patch) that will replace the old data in the program, beginning at the relative starting address. The new data must be an even number of hexadecimal digits and cannot exceed 32 digits (16 bytes). valdata-olddata validates the data that is replaced by newdata, where olddata is an even number in hexadecimal format that does not exceed 32 digits (16 bytes). The data specified for olddata must match what is currently in the program. If it does not, the data in the program is not changed and an error occurs. If it does, the data in the program is replaced by newdata. For example, this parameter can help to verify that your patch is starting at the correct relative starting address. z/TPF offline loader input file control statements 147
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Makefiles Control files 4 z/TPF Pro
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present, the program or programs ar
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ELF objects and libraries from the
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Data loader Pilot Tape (SDF) ZSLDR
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zos/ obj/ src/ bin/ lst/ obj/ src/
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APPL_ROOT := /home/joe/mywork APPL_
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Create a single-segment BSO using a
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Adding the line APP_EXPORT := LIST
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66 z/TPF Program Management v CTBX
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3. Update the user control file and
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offldr programs, as necessary, to c
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Activate a loadset of E-type progra
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v All loadsets containing a particu
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Terminal Addr Index into Selective
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z/TPF Program Management - IBM

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